{
    "model": {
        "rank": 5716,
        "code": "thing-q82025",
        "model_id": "vr.tr.horn-q82025",
        "name": "horn",
        "purpose": "Enable an agent to recognise an animal horn, assess its attachment and physical condition, and determine which observations, handling or interventions are justified.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.MAT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q82025/",
        "tier": 2,
        "score": 65,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "ossicone",
                "goat horns",
                "sheep horns",
                "antlers",
                "velvet antler",
                "hartshorn",
                "reindeer antler"
            ],
            "aliasCount": 7,
            "merged": 7,
            "knownIn": 65,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.horn-artifact",
            "source": {
                "dataset": "wikidata",
                "item": "Q82025",
                "url": "https://www.wikidata.org/wiki/Q82025",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T09:06:21Z",
                "providers": [
                    "Codex"
                ],
                "missingProviders": [
                    "Grok"
                ],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": null,
                        "turns": null,
                        "seconds": 7.9,
                        "error": "Error: Internal error: {\n  \"message\": \"API error (status 402 Payment Required): Grok Build usage balance exhausted\",\n  \"http_status\": 402\n}",
                        "retried": true
                    },
                    "codex": {
                        "seconds": 102.4,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07b1c-cbfe-7051-87d6-e2f4d7df0d2e\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: horn\nRegistry id: vr.tr.horn-q82025\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy "
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q82025",
                "registryId": "vr.tr.horn-q82025",
                "name": "horn",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q82025/",
            "model": {
                "registry_id": "vr.tr.horn-q82025",
                "name": "horn",
                "purpose": "Enable an agent to recognise an animal horn, assess its attachment and physical condition, and determine which observations, handling or interventions are justified.",
                "definition": "",
                "scope_statement": "This model owns an individual anatomical horn, attached or detached, including its identification, geometry, tissue composition, condition and action constraints; the anatomical interpretation follows [Wikidata Q82025](https://www.wikidata.org/wiki/Q82025), while taxonomic edge cases remain unresolved.",
                "in_scope": [
                    "Identification of an individual horn and its position on the source animal",
                    "Horn geometry, surface features and observable internal composition",
                    "Attachment, growth and changes documented across observations",
                    "Damage, alteration and condition of attached or detached horns",
                    "Horn-specific constraints on inspection, handling, sampling and intervention"
                ],
                "out_of_scope": [
                    "The source animal's complete anatomy, health and behaviour",
                    "Antlers, tusks, teeth and ossicones as independently classified anatomical structures",
                    "Musical horns, vehicle horns and acoustic devices",
                    "Manufactured objects made from horn and bulk horn material",
                    "Veterinary procedure protocols and treatment planning",
                    "Wildlife trade, ownership and collection management beyond links to applicable records"
                ],
                "distinguishing_features": [
                    "Establish anatomical origin from an animal's head, or documented detachment from that location, rather than accepting a pointed silhouette as sufficient evidence.",
                    "Check whether the structure originates as a tooth in a jaw socket before classifying a tusk as a horn.",
                    "Record tissue composition, attachment and any shedding history to distinguish horns from antlers and ossicones; shape alone does not settle the classification.",
                    "Inspect for mould seams, artificial mounting or fabrication records when distinguishing an anatomical specimen from a replica.",
                    "Determine whether a detached object remains an identifiable anatomical horn or has become a manufactured artefact whose primary identity belongs elsewhere."
                ],
                "characteristics": [
                    {
                        "name": "Source animal and taxon",
                        "kind": "relation",
                        "unit_or_values": "Linked animal or specimen and taxon identification, with evidence and confidence",
                        "why_it_matters": "Supplies the context needed to interpret horn type, expected development and anatomical boundaries."
                    },
                    {
                        "name": "Anatomical position",
                        "kind": "category",
                        "unit_or_values": "Left, right, median or other documented position; unknown",
                        "why_it_matters": "Distinguishes this horn from other horns on the same animal without assuming a paired arrangement."
                    },
                    {
                        "name": "Attachment condition",
                        "kind": "state",
                        "unit_or_values": "Attached, partially detached, detached, mounted or unknown; source animal living status recorded separately",
                        "why_it_matters": "Changes what can be inspected and which handling actions require animal-care context."
                    },
                    {
                        "name": "Observed composition",
                        "kind": "category",
                        "unit_or_values": "Keratinous tissue, bone, skin covering, other identified tissue, mixed or unresolved; observation method recorded",
                        "why_it_matters": "Prevents an agent from assuming every horn has the same internal construction."
                    },
                    {
                        "name": "Horn length",
                        "kind": "measurement",
                        "unit_or_values": "mm; specify straight base-to-tip distance or length along a defined curve",
                        "why_it_matters": "Supports recognition and comparison without conflating incompatible measurements."
                    },
                    {
                        "name": "Base dimensions",
                        "kind": "measurement",
                        "unit_or_values": "mm; circumference and principal diameters at a documented reference plane",
                        "why_it_matters": "Describes attachment geometry and supports repeatable specimen comparison."
                    },
                    {
                        "name": "Curvature and tip direction",
                        "kind": "measurement",
                        "unit_or_values": "Angles in degrees or a scaled 3D centreline in a documented anatomical coordinate frame",
                        "why_it_matters": "Captures hooking, twisting and proximity to the animal or surrounding objects."
                    },
                    {
                        "name": "Structural condition",
                        "kind": "state",
                        "unit_or_values": "Intact, worn, chipped, cracked, fractured, deformed or unresolved; multiple localised observations allowed",
                        "why_it_matters": "Connects visible defects to further inspection and handling decisions."
                    },
                    {
                        "name": "Observed change",
                        "kind": "measurement",
                        "unit_or_values": "Change in mm over dated observations, with method and uncertainty",
                        "why_it_matters": "Separates measured growth or material loss from assumptions based on a single image."
                    },
                    {
                        "name": "Modification history",
                        "kind": "relation",
                        "unit_or_values": "Linked records of cutting, removal, repair, coating, mounting or sampling; unknown permitted",
                        "why_it_matters": "Helps distinguish natural form and damage from deliberate alteration."
                    }
                ],
                "affordances": [
                    "Identify and document a horn using anatomical position, source evidence and diagnostic observations.",
                    "Measure and compare horn geometry using repeatable landmarks and methods.",
                    "Monitor changes in growth, wear, attachment and damage over time.",
                    "Flag observed horn contact, breakage or tissue exposure for qualified assessment.",
                    "Select a supported inspection, support or storage approach for a detached specimen.",
                    "Check evidence and authority before proposed sampling, alteration or removal."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "anatomical-identity",
                        "name": "Anatomical identity",
                        "description": "Establish what structure is being called a horn and which individual structure is represented.",
                        "rationale": "The word horn and its external shape do not establish anatomical identity.",
                        "layers": [
                            {
                                "id": "horn-classification",
                                "name": "Horn classification",
                                "description": "Record the evidence supporting or challenging classification as a horn.",
                                "findings": [
                                    {
                                        "id": "diagnostic-anatomy",
                                        "name": "Diagnostic anatomy",
                                        "description": "Capture anatomical origin and structural observations without forcing an unresolved specimen into a horn subtype.",
                                        "questions": [
                                            {
                                                "text": "What anatomical origin and observed features support calling this structure a horn?",
                                                "kind": "definition",
                                                "id": "diagnostic-anatomy-q01"
                                            },
                                            {
                                                "text": "What evidence distinguishes it from an antler, tusk, ossicone or artificial replica?",
                                                "kind": "boundary",
                                                "id": "diagnostic-anatomy-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "individual-association",
                                "name": "Individual association",
                                "description": "Associate the horn with its source and anatomical position.",
                                "findings": [
                                    {
                                        "id": "source-and-position",
                                        "name": "Source and position",
                                        "description": "Preserve the distinction between verified source identity and attribution from appearance.",
                                        "questions": [
                                            {
                                                "text": "Which animal or source specimen does this horn belong to, and what establishes that association?",
                                                "kind": "provenance",
                                                "id": "source-and-position-q01"
                                            },
                                            {
                                                "text": "Which side or head position identifies this horn, and is that position observed or inferred?",
                                                "kind": "definition",
                                                "id": "source-and-position-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "horn-form-and-composition",
                        "name": "Horn form and composition",
                        "description": "Describe the horn's measurable shape and evidenced construction.",
                        "rationale": "Horn recognition and physical assessment depend on curvature, base geometry and tissue structure.",
                        "layers": [
                            {
                                "id": "external-geometry",
                                "name": "External geometry",
                                "description": "Make measurements reproducible despite curved or twisted forms.",
                                "findings": [
                                    {
                                        "id": "base-to-tip-form",
                                        "name": "Base-to-tip form",
                                        "description": "Record the base reference, length path, curvature and tip orientation.",
                                        "questions": [
                                            {
                                                "text": "What are the horn's length and base dimensions, using which landmarks and measurement paths?",
                                                "kind": "measurement",
                                                "id": "base-to-tip-form-q01"
                                            },
                                            {
                                                "text": "How does the horn curve or twist, and where does its tip point relative to the head or specimen reference frame?",
                                                "kind": "measurement",
                                                "id": "base-to-tip-form-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "tissue-architecture",
                                "name": "Tissue architecture",
                                "description": "Distinguish observed tissue components from assumed internal anatomy.",
                                "findings": [
                                    {
                                        "id": "components-and-interfaces",
                                        "name": "Components and interfaces",
                                        "description": "Record any covering, core, cavity or component interface supported by inspection or documentation.",
                                        "questions": [
                                            {
                                                "text": "Which tissues and internal spaces have actually been identified, and by what evidence?",
                                                "kind": "provenance",
                                                "id": "components-and-interfaces-q01"
                                            },
                                            {
                                                "text": "Does the represented object include the whole horn, an outer covering, a core or a fragment?",
                                                "kind": "boundary",
                                                "id": "components-and-interfaces-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "attachment-and-development",
                        "name": "Attachment and development",
                        "description": "Track how the horn connects to its source and changes over time.",
                        "rationale": "Attachment and developmental history determine how observations should be interpreted.",
                        "layers": [
                            {
                                "id": "attachment-state",
                                "name": "Attachment state",
                                "description": "Establish whether the horn remains anatomically attached or has become a detached specimen.",
                                "findings": [
                                    {
                                        "id": "base-connection",
                                        "name": "Base connection",
                                        "description": "Document the visible base connection and any evidence of separation.",
                                        "questions": [
                                            {
                                                "text": "Is the horn attached to a living animal, attached to remains, partially detached or fully detached?",
                                                "kind": "definition",
                                                "id": "base-connection-q01"
                                            },
                                            {
                                                "text": "If separation occurred, what records establish when and how it happened?",
                                                "kind": "provenance",
                                                "id": "base-connection-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "developmental-change",
                                "name": "Developmental change",
                                "description": "Separate documented growth, wear and loss from inferred age or lifecycle.",
                                "findings": [
                                    {
                                        "id": "dated-form-changes",
                                        "name": "Dated form changes",
                                        "description": "Compare observations of the same horn while preserving uncertainty about the cause of change.",
                                        "questions": [
                                            {
                                                "text": "What change in length, base dimensions or tip form is measurable between dated observations?",
                                                "kind": "measurement",
                                                "id": "dated-form-changes-q01"
                                            },
                                            {
                                                "text": "What evidence attributes that change to growth, wear, breakage, shedding or deliberate modification?",
                                                "kind": "provenance",
                                                "id": "dated-form-changes-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "horn-condition-and-contact",
                        "name": "Horn condition and contact",
                        "description": "Locate defects and assess the horn's observed relationship to nearby tissue and objects.",
                        "rationale": "A defect's location and a horn's direction matter more than a generic damaged label.",
                        "layers": [
                            {
                                "id": "localised-integrity",
                                "name": "Localised integrity",
                                "description": "Describe defects at the tip, body and base separately.",
                                "findings": [
                                    {
                                        "id": "defect-extent",
                                        "name": "Defect extent",
                                        "description": "Record visible material loss, cracks and exposed components without inferring an unsupported diagnosis.",
                                        "questions": [
                                            {
                                                "text": "Where are chips, cracks, fractures or missing portions, and what are their measured extents?",
                                                "kind": "measurement",
                                                "id": "defect-extent-q01"
                                            },
                                            {
                                                "text": "Which components are visibly exposed or displaced, and which remain unassessed?",
                                                "kind": "boundary",
                                                "id": "defect-extent-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "contact-clearance",
                                "name": "Contact clearance",
                                "description": "Record whether the horn touches or approaches the animal, another horn or an enclosure.",
                                "findings": [
                                    {
                                        "id": "tip-and-curve-clearance",
                                        "name": "Tip and curve clearance",
                                        "description": "Relate horn geometry to observed contact and movement constraints.",
                                        "questions": [
                                            {
                                                "text": "What clearance or contact exists between the horn and adjacent tissue, another horn or surrounding structures in the observed posture?",
                                                "kind": "measurement",
                                                "id": "tip-and-curve-clearance-q01"
                                            },
                                            {
                                                "text": "Do documented contact, entanglement or changes in clearance warrant qualified assessment before further handling?",
                                                "kind": "action",
                                                "id": "tip-and-curve-clearance-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "horn-handling-and-intervention",
                        "name": "Horn handling and intervention",
                        "description": "Connect the horn's physical state and evidence history to proposed actions.",
                        "rationale": "An attached horn, a fragile detached covering and a mounted specimen require different action decisions.",
                        "layers": [
                            {
                                "id": "inspection-and-support",
                                "name": "Inspection and support",
                                "description": "Determine how the horn can be observed or supported given its attachment and defects.",
                                "findings": [
                                    {
                                        "id": "supported-observation",
                                        "name": "Supported observation",
                                        "description": "Identify inspection methods and support points justified by the documented horn condition.",
                                        "questions": [
                                            {
                                                "text": "Which measurements or images can be obtained without manipulating the attachment or loading a damaged portion?",
                                                "kind": "action",
                                                "id": "supported-observation-q01"
                                            },
                                            {
                                                "text": "For a detached horn, which support points and storage orientation are justified by its curvature, composition and defects?",
                                                "kind": "action",
                                                "id": "supported-observation-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "alteration-decisions",
                                "name": "Alteration decisions",
                                "description": "Make sampling, cutting, removal and restoration proposals depend on specific evidence and authority.",
                                "findings": [
                                    {
                                        "id": "intervention-basis",
                                        "name": "Intervention basis",
                                        "description": "Record the purpose, affected horn portion and prerequisites of a proposed alteration.",
                                        "questions": [
                                            {
                                                "text": "What purpose requires sampling, cutting, removal or repair, and which portion of this horn would be affected?",
                                                "kind": "action",
                                                "id": "intervention-basis-q01"
                                            },
                                            {
                                                "text": "What animal-care assessment, specimen permission or applicable restriction must be resolved before that action?",
                                                "kind": "action",
                                                "id": "intervention-basis-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the registry intend a narrow anatomical horn class or a broader class including other animal structures commonly called horns?",
                "Which taxon-specific criteria reliably separate horns from antlers, ossicones, scurs and other hornlike growths?",
                "When should a detached covering, core or fragment retain the horn identity, and when should it be represented as a separate part or material specimen?",
                "Which measurement conventions allow reliable comparison across curved, twisted and irregular horns?",
                "Which validated criteria and qualified authorities should govern condition assessment and intervention for each supported horn type?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 10,
                "findings": 10,
                "questions": 20
            }
        },
        "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 horn, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise an animal horn, assess its attachment and physical condition, and determine which observations, handling or interventions are justified.",
            "characteristics": {
                "substance": "material",
                "origin": "natural",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured",
                "consumed or used up"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: ossicone, goat horns, sheep horns, antlers, velvet antler, hartshorn, reindeer antler.",
                "7 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 65 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 horn, 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": [
                {
                    "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": [
                        "ossicone",
                        "goat horns",
                        "sheep horns",
                        "antlers",
                        "velvet antler",
                        "hartshorn",
                        "reindeer antler"
                    ]
                }
            ],
            "standing": "Described in 65 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 7 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 horn from another, and a horn 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 horn, 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 horn, 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 horn 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 horn, 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 horn, 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 horn 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 horn 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 horn, 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 horn, 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 horn 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 horn from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a horn, 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 horn, 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 horn 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 horn 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 horn, 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 horn, 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 horn 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 horn is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a horn, 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 horn, 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 horn 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 horn is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a horn, 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 horn, 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 horn 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 horn 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 horn is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a horn, 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 horn, 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 horn 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 horn 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 horn, 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 horn, 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 horn 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 horn 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 horn between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a horn, 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 horn, 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 horn 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 horn, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a horn 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 horn, 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 horn, 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 horn 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 horn 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 horn is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a horn performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a horn, 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 horn, 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 horn 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 horn.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a horn at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a horn, 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 horn, 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 horn 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 horn there is and how fast it goes.",
                                        "questions": [
                                            {
                                                "id": "consumption-and-stock-q01",
                                                "text": "What identifies and describes the supply of a horn, 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 horn, 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 horn 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 horn 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 horn 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 horn 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 horn 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 horn, 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 horn 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 horn 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 horn 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 horn, 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 horn 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 horn and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a horn, 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 horn, 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 horn 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 horn is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a horn, 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 horn, 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 horn 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
            }
        }
    }
}