{
    "card": {
        "schema": "https://ver.cy/schemas/card/1.0.0",
        "id": "vr.tr.l-erythro-biopterin",
        "code": "thing-q408256",
        "url": "https://ver.cy/models/thing/q408256/",
        "name": "L-erythro biopterin",
        "alternateNames": [],
        "kind": "thing",
        "status": "draft-generated",
        "version": "vr.draft.v3",
        "language": "en",
        "classifiers": {
            "family": "Thing Registry",
            "category": "Physical world and living systems",
            "entryKind": "chemical substance or material",
            "plane": "PHY",
            "domain": [
                "PHY.MAT"
            ],
            "industry": [],
            "navPath": "",
            "tags": [],
            "facets": []
        },
        "whatItIs": "A physical thing registered under PHY.MAT. The registry names it; this draft has not been given a definition yet.",
        "purpose": "Give an agent a durable, checkable way to recognise a L-erythro biopterin, record what state it is in, and decide what may be done with it.",
        "scope": {
            "in": [],
            "out": [],
            "boundaries": []
        },
        "distinguishingFeatures": [
            "Described in 13 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
        ],
        "structure": {
            "bundles": [
                {
                    "id": "identity-and-classification",
                    "name": "Identity, naming and classification",
                    "description": "How an agent tells one L-erythro biopterin from another, and a L-erythro biopterin from things that resemble it.",
                    "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                    "layers": [
                        {
                            "id": "naming-and-identifiers",
                            "name": "Names and identifiers",
                            "description": "The names this thing goes by and the identifiers that survive translation and time.",
                            "findings": [
                                {
                                    "id": "preferred-name-and-aliases",
                                    "name": "Preferred name, aliases and local names",
                                    "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                    "questions": [
                                        {
                                            "id": "preferred-name-and-aliases-q01",
                                            "text": "What identifies and describes the name of a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "preferred-name-and-aliases-q02",
                                            "text": "Who or what asserted this about the name of a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "preferred-name-and-aliases-q03",
                                            "text": "What may an agent decide or do once the name of a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                },
                                {
                                    "id": "stable-identifiers",
                                    "name": "Stable identifiers and external keys",
                                    "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                    "questions": [
                                        {
                                            "id": "stable-identifiers-q01",
                                            "text": "What identifies and describes an identifier for a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "stable-identifiers-q02",
                                            "text": "Who or what asserted this about an identifier for a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "stable-identifiers-q03",
                                            "text": "What may an agent decide or do once an identifier for a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        },
                        {
                            "id": "classification-and-granularity",
                            "name": "Classification and granularity",
                            "description": "Where a L-erythro biopterin sits among kinds, and how finely a task needs to cut it.",
                            "findings": [
                                {
                                    "id": "kind-and-parents",
                                    "name": "Kind, parents and neighbouring kinds",
                                    "description": "The classes this thing belongs to and the ones it is next to.",
                                    "questions": [
                                        {
                                            "id": "kind-and-parents-q01",
                                            "text": "What identifies and describes the kind of a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "kind-and-parents-q02",
                                            "text": "Who or what asserted this about the kind of a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "kind-and-parents-q03",
                                            "text": "What may an agent decide or do once the kind of a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                },
                                {
                                    "id": "distinguishing-features",
                                    "name": "Distinguishing features",
                                    "description": "What separates a L-erythro biopterin from the things most often confused with it.",
                                    "questions": [
                                        {
                                            "id": "distinguishing-features-q01",
                                            "text": "What identifies and describes what distinguishes a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "distinguishing-features-q02",
                                            "text": "Who or what asserted this about what distinguishes a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "distinguishing-features-q03",
                                            "text": "What may an agent decide or do once what distinguishes a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        }
                    ]
                },
                {
                    "id": "form-and-composition",
                    "name": "Form, composition and condition",
                    "description": "What a L-erythro biopterin is made of, what shape and size it takes, and what state it is in.",
                    "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.",
                    "layers": [
                        {
                            "id": "form-and-dimensions",
                            "name": "Form and dimensions",
                            "description": "Shape, size, mass and the ranges these take across examples.",
                            "findings": [
                                {
                                    "id": "measurable-dimensions",
                                    "name": "Measurable dimensions and their units",
                                    "description": "The quantities worth recording and the units they are recorded in.",
                                    "questions": [
                                        {
                                            "id": "measurable-dimensions-q01",
                                            "text": "What identifies and describes the dimensions of a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "measurable-dimensions-q02",
                                            "text": "Who or what asserted this about the dimensions of a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "measurable-dimensions-q03",
                                            "text": "What may an agent decide or do once the dimensions of a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        },
                        {
                            "id": "material-and-composition",
                            "name": "Material and composition",
                            "description": "Materials, parts and how they are put together.",
                            "findings": [
                                {
                                    "id": "parts-and-materials",
                                    "name": "Parts and materials",
                                    "description": "What a L-erythro biopterin is built from and which parts are replaceable.",
                                    "questions": [
                                        {
                                            "id": "parts-and-materials-q01",
                                            "text": "What identifies and describes the composition of a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "parts-and-materials-q02",
                                            "text": "Who or what asserted this about the composition of a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "parts-and-materials-q03",
                                            "text": "What may an agent decide or do once the composition of a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        },
                        {
                            "id": "condition-and-integrity",
                            "name": "Condition and integrity",
                            "description": "Wear, damage, health and the difference between working and broken.",
                            "findings": [
                                {
                                    "id": "condition-assessment",
                                    "name": "Condition, damage and health",
                                    "description": "How the condition of a L-erythro biopterin is judged and by whom.",
                                    "questions": [
                                        {
                                            "id": "condition-assessment-q01",
                                            "text": "What identifies and describes the condition of a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "condition-assessment-q02",
                                            "text": "Who or what asserted this about the condition of a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "condition-assessment-q03",
                                            "text": "What may an agent decide or do once the condition of a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        }
                    ]
                },
                {
                    "id": "place-and-movement",
                    "name": "Place and movement",
                    "description": "Where a L-erythro biopterin is, how it got there and where it may go (varies).",
                    "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.",
                    "layers": [
                        {
                            "id": "location-and-placement",
                            "name": "Location and placement",
                            "description": "Position, containment and the reference frame the position is given in.",
                            "findings": [
                                {
                                    "id": "position-and-frame",
                                    "name": "Position, container and reference frame",
                                    "description": "Where a L-erythro biopterin is, and what that position is measured against.",
                                    "questions": [
                                        {
                                            "id": "position-and-frame-q01",
                                            "text": "What identifies and describes the location of a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "position-and-frame-q02",
                                            "text": "Who or what asserted this about the location of a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "position-and-frame-q03",
                                            "text": "What may an agent decide or do once the location of a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        },
                        {
                            "id": "movement-and-transfer",
                            "name": "Movement and transfer",
                            "description": "How a L-erythro biopterin is carried, installed or relocated.",
                            "findings": [
                                {
                                    "id": "movement-events",
                                    "name": "Movement events and constraints",
                                    "description": "What counts as a movement, what records it and what limits it.",
                                    "questions": [
                                        {
                                            "id": "movement-events-q01",
                                            "text": "What identifies and describes the movement of a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "movement-events-q02",
                                            "text": "Who or what asserted this about the movement of a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "movement-events-q03",
                                            "text": "What may an agent decide or do once the movement of a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        }
                    ]
                },
                {
                    "id": "state-and-lifecycle",
                    "name": "State and lifecycle",
                    "description": "The states a L-erythro biopterin passes through and the events that move it between them.",
                    "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                    "layers": [
                        {
                            "id": "lifecycle-stages",
                            "name": "Lifecycle stages",
                            "description": "From coming into existence to ceasing to be one of these.",
                            "findings": [
                                {
                                    "id": "stages-and-transitions",
                                    "name": "Stages and transitions",
                                    "description": "The stages worth naming and what moves a L-erythro biopterin between them.",
                                    "questions": [
                                        {
                                            "id": "stages-and-transitions-q01",
                                            "text": "What identifies and describes the lifecycle of a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "stages-and-transitions-q02",
                                            "text": "Who or what asserted this about the lifecycle of a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "stages-and-transitions-q03",
                                            "text": "What may an agent decide or do once the lifecycle of a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        },
                        {
                            "id": "observations-and-status",
                            "name": "Observations and current status",
                            "description": "What is observed about a L-erythro biopterin, how often and by whom.",
                            "findings": [
                                {
                                    "id": "observation-record",
                                    "name": "Observation record",
                                    "description": "How an observation of a L-erythro biopterin is recorded so that it can be superseded rather than overwritten.",
                                    "questions": [
                                        {
                                            "id": "observation-record-q01",
                                            "text": "What identifies and describes an observation of a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "observation-record-q02",
                                            "text": "Who or what asserted this about an observation of a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "observation-record-q03",
                                            "text": "What may an agent decide or do once an observation of a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        }
                    ]
                },
                {
                    "id": "use-and-operation",
                    "name": "Use and operation",
                    "description": "What can be done with a L-erythro biopterin and what it takes to do it.",
                    "rationale": "An agent that can recognise a thing but not act on it has only half a model.",
                    "layers": [
                        {
                            "id": "intended-use",
                            "name": "Intended use and function",
                            "description": "What a L-erythro biopterin is for, and what it is used for anyway.",
                            "findings": [
                                {
                                    "id": "function-and-purpose",
                                    "name": "Function, purpose and misuse",
                                    "description": "The function a L-erythro biopterin performs and the uses that fall outside it.",
                                    "questions": [
                                        {
                                            "id": "function-and-purpose-q01",
                                            "text": "What identifies and describes the use of a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "function-and-purpose-q02",
                                            "text": "Who or what asserted this about the use of a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "function-and-purpose-q03",
                                            "text": "What may an agent decide or do once the use of a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        },
                        {
                            "id": "handling-and-procedure",
                            "name": "Handling and procedure",
                            "description": "The steps, skills and tools involved in using a L-erythro biopterin.",
                            "findings": [
                                {
                                    "id": "procedures-and-skills",
                                    "name": "Procedures, skills and required tools",
                                    "description": "What an agent needs before it can act on a L-erythro biopterin at all.",
                                    "questions": [
                                        {
                                            "id": "procedures-and-skills-q01",
                                            "text": "What identifies and describes handling a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "procedures-and-skills-q02",
                                            "text": "Who or what asserted this about handling a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "procedures-and-skills-q03",
                                            "text": "What may an agent decide or do once handling a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        },
                        {
                            "id": "supply-and-consumption",
                            "name": "Supply and consumption",
                            "description": "Quantities, rates and what running out means.",
                            "findings": [
                                {
                                    "id": "consumption-and-stock",
                                    "name": "Consumption, stock and replenishment",
                                    "description": "How much of a L-erythro biopterin there is and how fast it goes.",
                                    "questions": [
                                        {
                                            "id": "consumption-and-stock-q01",
                                            "text": "What identifies and describes the supply of a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "consumption-and-stock-q02",
                                            "text": "Who or what asserted this about the supply of a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "consumption-and-stock-q03",
                                            "text": "What may an agent decide or do once the supply of a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        }
                    ]
                },
                {
                    "id": "composition-and-identity",
                    "name": "Composition, grade and chemical identity",
                    "description": "What L-erythro biopterin is made of and how pure the thing in hand is.",
                    "rationale": "Grade decides what a substance may be used for, so a model that records only the name cannot support any decision about use.",
                    "layers": [
                        {
                            "id": "chemical-identity",
                            "name": "Chemical identity",
                            "description": "Formula, structure and the registry numbers that name it unambiguously.",
                            "findings": [
                                {
                                    "id": "identity-record",
                                    "name": "Identity and registry numbers",
                                    "description": "What identifies this substance across suppliers and regulators.",
                                    "questions": [
                                        {
                                            "id": "identity-record-q01",
                                            "text": "What formula, structure and registry identifiers name L-erythro biopterin unambiguously?",
                                            "kind": "definition"
                                        },
                                        {
                                            "id": "identity-record-q02",
                                            "text": "Which related substances share a name in common use but not an identifier?",
                                            "kind": "boundary"
                                        }
                                    ]
                                }
                            ]
                        },
                        {
                            "id": "grade-and-impurities",
                            "name": "Grade, purity and impurities",
                            "description": "The specification a batch meets and what else is in it.",
                            "findings": [
                                {
                                    "id": "specification",
                                    "name": "Specification and assay",
                                    "description": "How purity is stated and measured, and which impurities matter.",
                                    "questions": [
                                        {
                                            "id": "specification-q01",
                                            "text": "What grades of L-erythro biopterin exist, how is purity assayed, and which impurities are limited?",
                                            "kind": "measurement"
                                        },
                                        {
                                            "id": "specification-q02",
                                            "text": "Which use requires which grade, and what happens when a lower grade is substituted?",
                                            "kind": "action"
                                        }
                                    ]
                                }
                            ]
                        }
                    ]
                },
                {
                    "id": "properties-and-behaviour",
                    "name": "Properties and behaviour",
                    "description": "How L-erythro biopterin behaves under conditions an agent can measure or change.",
                    "rationale": "Physical constants are the part of a substance model that transfers between contexts, and each needs its unit and its conditions.",
                    "layers": [
                        {
                            "id": "physical-constants",
                            "name": "Physical constants",
                            "description": "Values that hold for the pure substance, with their conditions.",
                            "findings": [
                                {
                                    "id": "constants-record",
                                    "name": "Constants and conditions",
                                    "description": "The quantities worth recording and the state they apply in.",
                                    "questions": [
                                        {
                                            "id": "constants-record-q01",
                                            "text": "What are the defining physical constants of L-erythro biopterin, in what units and under what conditions?",
                                            "kind": "measurement"
                                        },
                                        {
                                            "id": "constants-record-q02",
                                            "text": "Which of these values change with grade or form rather than being fixed?",
                                            "kind": "boundary"
                                        }
                                    ]
                                }
                            ]
                        },
                        {
                            "id": "stability-and-reactivity",
                            "name": "Stability and reactivity",
                            "description": "What it reacts with, degrades into, and how it is stored.",
                            "findings": [
                                {
                                    "id": "incompatibilities",
                                    "name": "Incompatibilities and degradation",
                                    "description": "What must not meet it, and what it becomes over time.",
                                    "questions": [
                                        {
                                            "id": "incompatibilities-q01",
                                            "text": "What is L-erythro biopterin incompatible with, and what does it degrade into under storage?",
                                            "kind": "definition"
                                        },
                                        {
                                            "id": "incompatibilities-q02",
                                            "text": "What storage and handling does that require, and who is competent to do it?",
                                            "kind": "action"
                                        }
                                    ]
                                }
                            ]
                        }
                    ]
                },
                {
                    "id": "hazard-and-regulation",
                    "name": "Hazard classification and regulation",
                    "description": "How L-erythro biopterin can harm, and what the law says about holding and moving it.",
                    "rationale": "A substance model without its hazard class and its regulatory identity is unusable in exactly the situations that matter.",
                    "layers": [
                        {
                            "id": "hazard-class",
                            "name": "Hazard classification",
                            "description": "Classified hazards, exposure limits and protective measures.",
                            "findings": [
                                {
                                    "id": "classified-hazards",
                                    "name": "Classified hazards and limits",
                                    "description": "The classification, the scheme it belongs to, and the limits set.",
                                    "questions": [
                                        {
                                            "id": "classified-hazards-q01",
                                            "text": "How is L-erythro biopterin classified for hazard, under which scheme, and what exposure limits apply?",
                                            "kind": "definition"
                                        },
                                        {
                                            "id": "classified-hazards-q02",
                                            "text": "What protection does handling require, and what must an agent refuse to do without it?",
                                            "kind": "action"
                                        }
                                    ]
                                }
                            ]
                        },
                        {
                            "id": "regulatory-identity",
                            "name": "Regulatory identity and control",
                            "description": "Registration, restriction and transport rules by jurisdiction.",
                            "findings": [
                                {
                                    "id": "controls",
                                    "name": "Controls and jurisdiction",
                                    "description": "Where it is restricted and what the restriction attaches to.",
                                    "questions": [
                                        {
                                            "id": "controls-q01",
                                            "text": "Which registrations, restrictions or transport rules cover L-erythro biopterin, and where?",
                                            "kind": "provenance"
                                        },
                                        {
                                            "id": "controls-q02",
                                            "text": "Does the control attach to the substance, its concentration, or its intended use?",
                                            "kind": "boundary"
                                        }
                                    ]
                                }
                            ]
                        }
                    ]
                },
                {
                    "id": "provenance-and-evidence",
                    "name": "Provenance, evidence and time",
                    "description": "Where every claim about a L-erythro biopterin came from and when it held.",
                    "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                    "layers": [
                        {
                            "id": "source-and-authority",
                            "name": "Source and authority",
                            "description": "Who said it, on what evidence, and how strongly.",
                            "findings": [
                                {
                                    "id": "claim-provenance",
                                    "name": "Claim provenance and confidence",
                                    "description": "The authority behind each claim about a L-erythro biopterin and how confident it is.",
                                    "questions": [
                                        {
                                            "id": "claim-provenance-q01",
                                            "text": "What identifies and describes a claim about a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "claim-provenance-q02",
                                            "text": "Who or what asserted this about a claim about a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "claim-provenance-q03",
                                            "text": "What may an agent decide or do once a claim about a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        },
                        {
                            "id": "time-and-versions",
                            "name": "Time, versions and supersession",
                            "description": "When a claim was true, when it was learnt, and what replaced it.",
                            "findings": [
                                {
                                    "id": "validity-and-supersession",
                                    "name": "Validity period and supersession",
                                    "description": "How an old claim about a L-erythro biopterin is retired without being erased.",
                                    "questions": [
                                        {
                                            "id": "validity-and-supersession-q01",
                                            "text": "What identifies and describes the validity of a claim about a L-erythro biopterin, and in what units or vocabulary?",
                                            "kind": "definition",
                                            "answer_data": [
                                                "identifiers",
                                                "types and classes",
                                                "values with units",
                                                "explicit unknowns"
                                            ]
                                        },
                                        {
                                            "id": "validity-and-supersession-q02",
                                            "text": "Who or what asserted this about the validity of a claim about a L-erythro biopterin, by which method, and when was it true?",
                                            "kind": "provenance",
                                            "answer_data": [
                                                "authority",
                                                "method",
                                                "evidence",
                                                "event time",
                                                "knowledge time"
                                            ]
                                        },
                                        {
                                            "id": "validity-and-supersession-q03",
                                            "text": "What may an agent decide or do once the validity of a claim about a L-erythro biopterin is known, and what must it refuse?",
                                            "kind": "action",
                                            "answer_data": [
                                                "permitted actions",
                                                "preconditions",
                                                "refusals",
                                                "escalation"
                                            ]
                                        }
                                    ]
                                }
                            ]
                        }
                    ]
                }
            ]
        },
        "agentConduct": {
            "may": [
                "observe it, measure it, record its state",
                "use it up, and then need more of it"
            ],
            "mustNot": [],
            "requiresHuman": []
        },
        "ethics": {
            "considerations": [],
            "affectedParties": []
        },
        "owners": {
            "steward": "",
            "roles": [],
            "masterSystems": []
        },
        "relations": [],
        "interaction": {
            "identity": {
                "applicability": "required",
                "items": []
            },
            "properties": {
                "applicability": "required",
                "items": [
                    "Made of: matter you can touch",
                    "Mobility varies between examples.",
                    "Does nothing on its own; everything it does, something else did to it.",
                    "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
                ]
            },
            "recognition": {
                "applicability": "required",
                "items": [
                    "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay."
                ]
            },
            "capabilities": {
                "applicability": "required",
                "items": [
                    "observed and measured",
                    "consumed or used up"
                ]
            },
            "hazards": {
                "applicability": "required",
                "items": []
            },
            "interfaces": {
                "applicability": "required",
                "items": []
            },
            "context": {
                "applicability": "required",
                "items": [
                    "Described in 13 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is."
                ]
            }
        },
        "sources": [],
        "openQuestions": [
            "Which of the bundles below does a real task actually need, and which are ceremony?",
            "What does this thing have that the facets do not capture at all?",
            "Which neighbouring kind is most often confused with a L-erythro biopterin, and on what evidence are they told apart?",
            "What may an agent decide or do once the name of a L-erythro biopterin is known, and what must it refuse?",
            "What may an agent decide or do once an identifier for a L-erythro biopterin is known, and what must it refuse?",
            "What may an agent decide or do once the kind of a L-erythro biopterin is known, and what must it refuse?"
        ],
        "resources": {
            "spec": "/models/thing/q408256/?format=json"
        },
        "provenance": {
            "origin": "thing registry, generated draft (pass 1)",
            "builtFrom": [
                "models/draft_model.php",
                "wikidata"
            ],
            "providers": [
                "vr.draft.v3"
            ],
            "researchStatus": "not researched",
            "generatedAt": "",
            "builder": "models/card_draft.php"
        },
        "completeness": {
            "sections": {
                "classifiers": "filled",
                "whatItIs": "derived",
                "purpose": "derived",
                "distinguishingFeatures": "derived",
                "structure": "derived",
                "agentConduct": "derived",
                "ethics": "missing",
                "owners": "missing",
                "relations": "missing",
                "interaction.identity": "missing",
                "interaction.properties": "derived",
                "interaction.recognition": "derived",
                "interaction.capabilities": "derived",
                "interaction.hazards": "missing",
                "interaction.interfaces": "missing",
                "interaction.context": "derived",
                "sources": "missing"
            },
            "notes": {
                "_": "Generated by rule from registry facets. No source was read; every derived section awaits the research pass."
            },
            "score": 0.324
        }
    },
    "model": {
        "rank": 42320,
        "code": "thing-q408256",
        "model_id": "vr.tr.l-erythro-biopterin",
        "name": "L-erythro biopterin",
        "purpose": "",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "draft-generated",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.MAT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q408256/",
        "tier": 2,
        "score": 13,
        "payload": {
            "layer": "wikidata",
            "aliases": [],
            "aliasCount": 0,
            "merged": 0,
            "knownIn": 13,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q408256",
                "url": "https://www.wikidata.org/wiki/Q408256",
                "license": "CC0 1.0"
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "chemical substance or material",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a L-erythro biopterin, record what state it is in, and decide what may be done with it.",
            "whatItIs": "A physical thing registered under PHY.MAT. The registry names it; this draft has not been given a definition yet.",
            "characteristics": {
                "substance": "material",
                "origin": "natural",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured",
                "consumed or used up"
            ],
            "distinguishingFeatures": [
                "Described in 13 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a L-erythro biopterin, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state",
                "use it up, and then need more of it"
            ],
            "howItIsRecognised": [
                "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay."
            ],
            "relatedModels": [],
            "standing": "Described in 13 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one L-erythro biopterin from another, and a L-erythro biopterin from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a L-erythro biopterin sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a L-erythro biopterin from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "form-and-composition",
                        "name": "Form, composition and condition",
                        "description": "What a L-erythro biopterin is made of, what shape and size it takes, and what state it is in.",
                        "rationale": "A physical thing can be measured, and a model that cannot record its measurements cannot support any decision that depends on them.",
                        "layers": [
                            {
                                "id": "form-and-dimensions",
                                "name": "Form and dimensions",
                                "description": "Shape, size, mass and the ranges these take across examples.",
                                "findings": [
                                    {
                                        "id": "measurable-dimensions",
                                        "name": "Measurable dimensions and their units",
                                        "description": "The quantities worth recording and the units they are recorded in.",
                                        "questions": [
                                            {
                                                "id": "measurable-dimensions-q01",
                                                "text": "What identifies and describes the dimensions of a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q02",
                                                "text": "Who or what asserted this about the dimensions of a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "measurable-dimensions-q03",
                                                "text": "What may an agent decide or do once the dimensions of a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "material-and-composition",
                                "name": "Material and composition",
                                "description": "Materials, parts and how they are put together.",
                                "findings": [
                                    {
                                        "id": "parts-and-materials",
                                        "name": "Parts and materials",
                                        "description": "What a L-erythro biopterin is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q02",
                                                "text": "Who or what asserted this about the composition of a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "parts-and-materials-q03",
                                                "text": "What may an agent decide or do once the composition of a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-integrity",
                                "name": "Condition and integrity",
                                "description": "Wear, damage, health and the difference between working and broken.",
                                "findings": [
                                    {
                                        "id": "condition-assessment",
                                        "name": "Condition, damage and health",
                                        "description": "How the condition of a L-erythro biopterin is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q02",
                                                "text": "Who or what asserted this about the condition of a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "condition-assessment-q03",
                                                "text": "What may an agent decide or do once the condition of a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "place-and-movement",
                        "name": "Place and movement",
                        "description": "Where a L-erythro biopterin is, how it got there and where it may go (varies).",
                        "rationale": "A thing that can move needs its position recorded with a time, or every later claim about it is about a place it has left.",
                        "layers": [
                            {
                                "id": "location-and-placement",
                                "name": "Location and placement",
                                "description": "Position, containment and the reference frame the position is given in.",
                                "findings": [
                                    {
                                        "id": "position-and-frame",
                                        "name": "Position, container and reference frame",
                                        "description": "Where a L-erythro biopterin is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q02",
                                                "text": "Who or what asserted this about the location of a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "position-and-frame-q03",
                                                "text": "What may an agent decide or do once the location of a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "movement-and-transfer",
                                "name": "Movement and transfer",
                                "description": "How a L-erythro biopterin is carried, installed or relocated.",
                                "findings": [
                                    {
                                        "id": "movement-events",
                                        "name": "Movement events and constraints",
                                        "description": "What counts as a movement, what records it and what limits it.",
                                        "questions": [
                                            {
                                                "id": "movement-events-q01",
                                                "text": "What identifies and describes the movement of a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q02",
                                                "text": "Who or what asserted this about the movement of a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "movement-events-q03",
                                                "text": "What may an agent decide or do once the movement of a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a L-erythro biopterin passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a L-erythro biopterin between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a L-erythro biopterin, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a L-erythro biopterin is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "use-and-operation",
                        "name": "Use and operation",
                        "description": "What can be done with a L-erythro biopterin and what it takes to do it.",
                        "rationale": "An agent that can recognise a thing but not act on it has only half a model.",
                        "layers": [
                            {
                                "id": "intended-use",
                                "name": "Intended use and function",
                                "description": "What a L-erythro biopterin is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a L-erythro biopterin performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q02",
                                                "text": "Who or what asserted this about the use of a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q03",
                                                "text": "What may an agent decide or do once the use of a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "handling-and-procedure",
                                "name": "Handling and procedure",
                                "description": "The steps, skills and tools involved in using a L-erythro biopterin.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a L-erythro biopterin at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q02",
                                                "text": "Who or what asserted this about handling a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q03",
                                                "text": "What may an agent decide or do once handling a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "supply-and-consumption",
                                "name": "Supply and consumption",
                                "description": "Quantities, rates and what running out means.",
                                "findings": [
                                    {
                                        "id": "consumption-and-stock",
                                        "name": "Consumption, stock and replenishment",
                                        "description": "How much of a L-erythro biopterin there is and how fast it goes.",
                                        "questions": [
                                            {
                                                "id": "consumption-and-stock-q01",
                                                "text": "What identifies and describes the supply of a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "consumption-and-stock-q02",
                                                "text": "Who or what asserted this about the supply of a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "consumption-and-stock-q03",
                                                "text": "What may an agent decide or do once the supply of a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "composition-and-identity",
                        "name": "Composition, grade and chemical identity",
                        "description": "What L-erythro biopterin is made of and how pure the thing in hand is.",
                        "rationale": "Grade decides what a substance may be used for, so a model that records only the name cannot support any decision about use.",
                        "layers": [
                            {
                                "id": "chemical-identity",
                                "name": "Chemical identity",
                                "description": "Formula, structure and the registry numbers that name it unambiguously.",
                                "findings": [
                                    {
                                        "id": "identity-record",
                                        "name": "Identity and registry numbers",
                                        "description": "What identifies this substance across suppliers and regulators.",
                                        "questions": [
                                            {
                                                "id": "identity-record-q01",
                                                "text": "What formula, structure and registry identifiers name L-erythro biopterin unambiguously?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "identity-record-q02",
                                                "text": "Which related substances share a name in common use but not an identifier?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "grade-and-impurities",
                                "name": "Grade, purity and impurities",
                                "description": "The specification a batch meets and what else is in it.",
                                "findings": [
                                    {
                                        "id": "specification",
                                        "name": "Specification and assay",
                                        "description": "How purity is stated and measured, and which impurities matter.",
                                        "questions": [
                                            {
                                                "id": "specification-q01",
                                                "text": "What grades of L-erythro biopterin exist, how is purity assayed, and which impurities are limited?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "specification-q02",
                                                "text": "Which use requires which grade, and what happens when a lower grade is substituted?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "properties-and-behaviour",
                        "name": "Properties and behaviour",
                        "description": "How L-erythro biopterin behaves under conditions an agent can measure or change.",
                        "rationale": "Physical constants are the part of a substance model that transfers between contexts, and each needs its unit and its conditions.",
                        "layers": [
                            {
                                "id": "physical-constants",
                                "name": "Physical constants",
                                "description": "Values that hold for the pure substance, with their conditions.",
                                "findings": [
                                    {
                                        "id": "constants-record",
                                        "name": "Constants and conditions",
                                        "description": "The quantities worth recording and the state they apply in.",
                                        "questions": [
                                            {
                                                "id": "constants-record-q01",
                                                "text": "What are the defining physical constants of L-erythro biopterin, in what units and under what conditions?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "constants-record-q02",
                                                "text": "Which of these values change with grade or form rather than being fixed?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "stability-and-reactivity",
                                "name": "Stability and reactivity",
                                "description": "What it reacts with, degrades into, and how it is stored.",
                                "findings": [
                                    {
                                        "id": "incompatibilities",
                                        "name": "Incompatibilities and degradation",
                                        "description": "What must not meet it, and what it becomes over time.",
                                        "questions": [
                                            {
                                                "id": "incompatibilities-q01",
                                                "text": "What is L-erythro biopterin incompatible with, and what does it degrade into under storage?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "incompatibilities-q02",
                                                "text": "What storage and handling does that require, and who is competent to do it?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "hazard-and-regulation",
                        "name": "Hazard classification and regulation",
                        "description": "How L-erythro biopterin can harm, and what the law says about holding and moving it.",
                        "rationale": "A substance model without its hazard class and its regulatory identity is unusable in exactly the situations that matter.",
                        "layers": [
                            {
                                "id": "hazard-class",
                                "name": "Hazard classification",
                                "description": "Classified hazards, exposure limits and protective measures.",
                                "findings": [
                                    {
                                        "id": "classified-hazards",
                                        "name": "Classified hazards and limits",
                                        "description": "The classification, the scheme it belongs to, and the limits set.",
                                        "questions": [
                                            {
                                                "id": "classified-hazards-q01",
                                                "text": "How is L-erythro biopterin classified for hazard, under which scheme, and what exposure limits apply?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "classified-hazards-q02",
                                                "text": "What protection does handling require, and what must an agent refuse to do without it?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "regulatory-identity",
                                "name": "Regulatory identity and control",
                                "description": "Registration, restriction and transport rules by jurisdiction.",
                                "findings": [
                                    {
                                        "id": "controls",
                                        "name": "Controls and jurisdiction",
                                        "description": "Where it is restricted and what the restriction attaches to.",
                                        "questions": [
                                            {
                                                "id": "controls-q01",
                                                "text": "Which registrations, restrictions or transport rules cover L-erythro biopterin, and where?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "controls-q02",
                                                "text": "Does the control attach to the substance, its concentration, or its intended use?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a L-erythro biopterin came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a L-erythro biopterin and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a L-erythro biopterin is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a L-erythro biopterin, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a L-erythro biopterin, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a L-erythro biopterin is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 9,
                "layers": 20,
                "findings": 22,
                "questions": 60
            }
        }
    }
}