{
    "model": {
        "rank": 1936,
        "code": "thing-line-3",
        "model_id": "vr.tr.line-3",
        "name": "line",
        "purpose": "a spatial location defined by a real or imaginary unidimensional extent",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.PLC",
        "industry": "",
        "version": "",
        "url": "/models/thing/line-3/",
        "tier": 2,
        "score": 121,
        "payload": {
            "layer": "wordnet",
            "aliases": [
                "feeder line",
                "main line",
                "track",
                "data track",
                "axis",
                "coordinate axis",
                "x-axis",
                "y-axis",
                "z-axis",
                "major axis",
                "semimajor axis",
                "minor axis",
                "semiminor axis",
                "principal axis",
                "optic axis",
                "aclinic line",
                "magnetic equator",
                "agonic line",
                "isogonic line",
                "isogonal line",
                "isogone",
                "air lane",
                "flight path",
                "airway",
                "skyway",
                "traffic pattern",
                "approach pattern",
                "pattern",
                "approach path",
                "approach",
                "glide path",
                "glide slope",
                "polar circle",
                "holding pattern",
                "beat",
                "round",
                "bus route",
                "celestial equator",
                "equinoctial circle",
                "equinoctial line"
            ],
            "aliasCount": 173,
            "merged": 121,
            "knownIn": 0,
            "facets": {
                "substance": "place",
                "origin": "natural",
                "agency": "inert",
                "mobility": "fixed",
                "scale": "geographic",
                "affordances": [
                    "observable"
                ]
            },
            "markers": [],
            "lexicalClass": "noun.location",
            "senseRank": 10,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "oewn:2024",
                "synset": "oewn-08610818-n",
                "ili": "i82138",
                "license": "CC BY 4.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-11T21:25:36Z",
                "providers": [
                    "Claude"
                ],
                "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify",
                "pass": 2,
                "wave": 2,
                "engine": "claude"
            },
            "metaModel": {
                "id": "THING-LINE-3",
                "registryId": "vr.tr.line-3",
                "name": "line",
                "version": "0.2.0-wave.2",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.PLC"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/line-3/",
            "model": {
                "registry_id": "vr.tr.line-3",
                "name": "line",
                "purpose": "Let an agent interpret line as a spatial location or path, distinguish it from other senses, and support questions about tracks, routes, axes and boundaries.",
                "definition": "A spatial location defined by a real or imaginary one-dimensional extent, such as a railway track, a main or feeder line in a network, a coordinate axis, a data track on a disc, a boundary line or a route marked on a map; in this sense a line is a place or path rather than a geometric abstraction, a written row of text or a queue.",
                "what_it_is_for": "Naming one-dimensional places and paths.",
                "affordances": [
                    "interpret which spatial line is meant",
                    "explain tracks, routes and axes",
                    "distinguish from other senses",
                    "support mapping and navigation"
                ],
                "distinguishing_features": [
                    "Spatial",
                    "One-dimensional",
                    "Real or imaginary",
                    "Named by function"
                ],
                "appearance": "A path, track or marked extent on the ground, a map or a device.",
                "visual_identification": [
                    "One-dimensional spatial extent",
                    "Real or imaginary",
                    "A geometric line has no physical location"
                ],
                "physical_properties": [],
                "families_and_kinds": [
                    "railway and transit lines",
                    "main and feeder lines in networks",
                    "coordinate axes",
                    "data tracks on media",
                    "boundary and survey lines"
                ],
                "related_models": [
                    {
                        "relation": "is a kind of",
                        "target": "location",
                        "why": "category"
                    },
                    {
                        "relation": "is related to",
                        "target": "railway line/metro line",
                        "why": "transport sense"
                    },
                    {
                        "relation": "is related to",
                        "target": "boundary",
                        "why": "boundary lines"
                    },
                    {
                        "relation": "is related to",
                        "target": "line",
                        "why": "geometric sense"
                    }
                ],
                "identifiers": [],
                "standards_and_regulation": [
                    "Mapping and survey conventions",
                    "Transport network naming conventions"
                ],
                "failure_modes_and_hazards": [
                    "Confusing senses of line",
                    "Ambiguous route references",
                    "Misreading boundary lines"
                ],
                "in_scope": [],
                "out_of_scope": [],
                "characteristics": []
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "sense",
                        "name": "Sense",
                        "description": "Which line.",
                        "rationale": "Disambiguation.",
                        "layers": [
                            {
                                "id": "which",
                                "name": "Which",
                                "description": "Which sense.",
                                "findings": [
                                    {
                                        "id": "which-finding",
                                        "name": "Which",
                                        "description": "Sense.",
                                        "questions": [
                                            {
                                                "text": "Is a track, route, axis, boundary, data track or another spatial line meant?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "text": "Or is a geometric line, a row of text, a queue or a lineage meant?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "locate",
                                "name": "Locate",
                                "description": "Locating a line.",
                                "findings": [
                                    {
                                        "id": "locate-finding",
                                        "name": "Locate",
                                        "description": "Location.",
                                        "questions": [
                                            {
                                                "text": "Where does this line run, and how is it identified on maps or signage?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Which entry fits a specific line?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "transport",
                        "name": "Transport",
                        "description": "Tracks and routes.",
                        "rationale": "Networks.",
                        "layers": [
                            {
                                "id": "lines",
                                "name": "Lines",
                                "description": "Main and feeder lines.",
                                "findings": [
                                    {
                                        "id": "lines-finding",
                                        "name": "Lines",
                                        "description": "Network lines.",
                                        "questions": [
                                            {
                                                "text": "What are main lines, feeder lines and tracks in this transport or utility network?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "How are they numbered or named?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "follow",
                                "name": "Follow",
                                "description": "Following a line.",
                                "findings": [
                                    {
                                        "id": "follow-finding",
                                        "name": "Follow",
                                        "description": "Navigation.",
                                        "questions": [
                                            {
                                                "text": "How can a route along this line be planned or followed?",
                                                "kind": "action"
                                            },
                                            {
                                                "text": "Which stops or points lie along it?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "reference",
                        "name": "Reference",
                        "description": "Axes and boundaries.",
                        "rationale": "Imaginary lines.",
                        "layers": [
                            {
                                "id": "axes",
                                "name": "Axes",
                                "description": "Coordinate axes.",
                                "findings": [
                                    {
                                        "id": "axes-finding",
                                        "name": "Axes",
                                        "description": "Axes.",
                                        "questions": [
                                            {
                                                "text": "What is a coordinate axis, and how are axes oriented in this system?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "How do map grids use lines?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "boundaries",
                                "name": "Boundaries",
                                "description": "Boundary lines.",
                                "findings": [
                                    {
                                        "id": "boundaries-finding",
                                        "name": "Boundaries",
                                        "description": "Boundaries.",
                                        "questions": [
                                            {
                                                "text": "Where does this boundary line run, and how was it surveyed?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "text": "Is it disputed, and are positions attributed?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "data",
                        "name": "Data",
                        "description": "Data tracks.",
                        "rationale": "Media.",
                        "layers": [
                            {
                                "id": "tracks",
                                "name": "Tracks",
                                "description": "Data tracks.",
                                "findings": [
                                    {
                                        "id": "tracks-finding",
                                        "name": "Tracks",
                                        "description": "Data tracks.",
                                        "questions": [
                                            {
                                                "text": "What is a data track on a disc or tape, and how is it addressed?",
                                                "kind": "definition"
                                            },
                                            {
                                                "text": "Which entry fits a storage format?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "teach",
                                "name": "Teach",
                                "description": "Teaching.",
                                "findings": [
                                    {
                                        "id": "teach-finding",
                                        "name": "Teach",
                                        "description": "Teaching.",
                                        "questions": [
                                            {
                                                "text": "How can the many senses of line be taught?",
                                                "kind": "action"
                                            },
                                            {
                                                "text": "Which confusions arise?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Should each spatial sense be a separate entry?",
                "How should transport data be linked?",
                "How should survey lines be linked?"
            ],
            "statistics": {
                "bundles": 4,
                "layers": 8,
                "findings": 8,
                "questions": 16
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "place or geographic feature",
            "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.",
            "facetsInferred": false,
            "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 line, record what state it is in, and decide what may be done with it.",
            "whatItIs": "a spatial location defined by a real or imaginary unidimensional extent",
            "characteristics": {
                "substance": "place",
                "origin": "natural",
                "agency": "inert",
                "mobility": "fixed",
                "scale": "geographic"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: feeder line, main line, track, data track, axis, coordinate axis, x-axis, y-axis, z-axis, major axis, semimajor axis, minor axis.",
                "121 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it."
            ],
            "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 line, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "a portion of the world with an extent",
            "physicalCharacter": [
                "On the scale of a landscape, measured in kilometres.",
                "Stays where it was put; moving it is a project.",
                "Does nothing on its own; everything it does, something else did to it."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "Recognised by extent on the ground and by position, not by appearance. Two places that look alike are told apart by where they are."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "feeder line",
                        "main line",
                        "track",
                        "data track",
                        "axis",
                        "coordinate axis",
                        "x-axis",
                        "y-axis",
                        "z-axis",
                        "major axis",
                        "semimajor axis",
                        "minor axis"
                    ]
                }
            ],
            "standing": "121 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one line from another, and a line 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 line, 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 line, 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 line 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 line, 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 line, 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 line 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 line 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 line, 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 line, 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 line 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 line from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a line, 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 line, 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 line 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 line 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 at geographic scale.",
                                "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 line, 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 line, 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 line 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 line is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a line, 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 line, 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 line 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 line is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a line, 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 line, 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 line 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 line is, how it got there and where it may go (fixed).",
                        "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 line is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a line, 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 line, 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 line 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 line 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 line, 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 line, 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 line 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 line 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 line between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a line, 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 line, 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 line 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 line, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a line 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 line, 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 line, 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 line is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "extent-and-geometry",
                        "name": "Extent, geometry and naming",
                        "description": "Where line is, how far it reaches, and what it is called.",
                        "rationale": "A boundary is claimed by an authority rather than observed in the world, so the claimant belongs in the record with the geometry.",
                        "layers": [
                            {
                                "id": "geometry",
                                "name": "Geometry and reference system",
                                "description": "Coordinates, extent and the frame they are given in.",
                                "findings": [
                                    {
                                        "id": "geometry-record",
                                        "name": "Geometry, precision and frame",
                                        "description": "What is recorded about position and shape, and to what accuracy.",
                                        "questions": [
                                            {
                                                "id": "geometry-record-q01",
                                                "text": "What geometry describes line, in which coordinate reference system, at what precision?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "geometry-record-q02",
                                                "text": "Which authority publishes that geometry, and who publishes a different one?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "names",
                                "name": "Names and endonyms",
                                "description": "What it is called in different languages and by different parties.",
                                "findings": [
                                    {
                                        "id": "naming-record",
                                        "name": "Names and who uses them",
                                        "description": "Official names, local names and contested names.",
                                        "questions": [
                                            {
                                                "id": "naming-record-q01",
                                                "text": "By what names is line known, in which languages, and which are official to whom?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "naming-record-q02",
                                                "text": "Where naming is contested, what should an agent record instead of choosing?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "containment-and-access",
                        "name": "Containment, jurisdiction and access",
                        "description": "What line sits inside, who governs it, and who may enter.",
                        "rationale": "Administrative containment decides which rules apply, and it changes without the place moving.",
                        "layers": [
                            {
                                "id": "containment",
                                "name": "Administrative containment",
                                "description": "The units it belongs to and the date each holds from.",
                                "findings": [
                                    {
                                        "id": "containment-record",
                                        "name": "Containing units and effective dates",
                                        "description": "Where it sits administratively and since when.",
                                        "questions": [
                                            {
                                                "id": "containment-record-q01",
                                                "text": "Which administrative units contain line, and since when does each containment hold?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "containment-record-q02",
                                                "text": "Which containment is disputed, and by which parties?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "access",
                                "name": "Access and permitted use",
                                "description": "Who may enter or use it and under what conditions.",
                                "findings": [
                                    {
                                        "id": "access-rules",
                                        "name": "Access rules and their source",
                                        "description": "Entry, use and restriction, with the rule behind each.",
                                        "questions": [
                                            {
                                                "id": "access-rules-q01",
                                                "text": "Who may enter or use line, under what conditions, and by whose rule?",
                                                "kind": "action"
                                            },
                                            {
                                                "id": "access-rules-q02",
                                                "text": "What seasonal or conditional closure applies, and how is it announced?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a line 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 line and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a line, 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 line, 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 line 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 line is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a line, 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 line, 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 line is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 7,
                "layers": 15,
                "findings": 17,
                "questions": 47
            }
        }
    }
}