{
    "model": {
        "rank": 3308,
        "code": "thing-q134985",
        "model_id": "vr.tr.topaz",
        "name": "topaz",
        "purpose": "Enable an agent to recognise topaz, assess a specimen's identity, condition and treatment history, and decide whether it is suitable for study, cutting, use or further testing.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.MAT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q134985/",
        "tier": 2,
        "score": 88,
        "payload": {
            "layer": "wikidata",
            "aliases": [],
            "aliasCount": 0,
            "merged": 0,
            "knownIn": 88,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q134985",
                "url": "https://www.wikidata.org/wiki/Q134985",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T14:25:25Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 28.8,
                        "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: 01a07c41-30f5-7a51-a662-ddfe088f6656\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: topaz\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 546 things:\n# Batch 003: 1001 registered",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 84.2,
                        "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: 01a07c41-309d-74d1-89eb-9e99b21444d0\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: topaz\nRegistry id: vr.tr.topaz\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext for "
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q134985",
                "registryId": "vr.tr.topaz",
                "name": "topaz",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.MAT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q134985/",
            "model": {
                "registry_id": "vr.tr.topaz",
                "name": "topaz",
                "purpose": "Enable an agent to recognise topaz, assess a specimen's identity, condition and treatment history, and decide whether it is suitable for study, cutting, use or further testing.",
                "definition": "Topaz is an orthorhombic aluminium fluorosilicate mineral with composition Al₂SiO₄(F,OH)₂, in which fluorine and hydroxyl share an anion site, and transparent crystals are used as gemstones.",
                "scope_statement": "This model owns topaz as a mineral species and as identifiable mineral specimens or gemstone material, including composition, diagnostic properties, treatments, provenance and handling constraints.",
                "in_scope": [
                    "Mineral identity and compositional variation within topaz",
                    "Natural crystals, rough material, fragments and cut topaz",
                    "Diagnostic physical and optical observations",
                    "Colour origin, treatment history and supporting evidence",
                    "Cleavage, fractures, inclusions and suitability for intended use",
                    "Specimen provenance and material-specific handling requirements"
                ],
                "out_of_scope": [
                    "Jewellery design, settings and finished-product valuation",
                    "Quartz, corundum, glass and other materials sold under misleading topaz names",
                    "Mine operation and deposit-scale resource estimation",
                    "Complete irradiation-facility procedures and radiation regulation",
                    "General gemstone trading, grading and certification systems"
                ],
                "distinguishing_features": [
                    "Topaz has the mineral composition Al2SiO4(F,OH)2; quartz and corundum have different compositions, so colour or a trade name alone cannot establish identity.",
                    "Orthorhombic crystal structure supports identification; crystal habit is useful on suitable rough specimens but may be unavailable after cutting.",
                    "Perfect basal cleavage is a diagnostic and handling consideration, although testing it by breaking a specimen is inappropriate.",
                    "A consistent combination of refractive index, birefringence and specific gravity can distinguish topaz from common lookalikes; one reading alone may be inconclusive.",
                    "Blue, yellow or colourless appearance does not by itself distinguish topaz from other minerals or establish whether its colour is natural."
                ],
                "characteristics": [
                    {
                        "name": "Identity determination",
                        "kind": "state",
                        "unit_or_values": "unexamined | suspected topaz | supported topaz identification | inconclusive | identified as another material",
                        "why_it_matters": "Keeps seller descriptions separate from evidence-based mineral identification."
                    },
                    {
                        "name": "Composition and substitution",
                        "kind": "measurement",
                        "unit_or_values": "Al, Si, F and OH-related analytical results; mass fraction or atoms per formula unit, with method and uncertainty",
                        "why_it_matters": "Documents the mineral's composition and variation without assuming that every specimen has identical F/OH proportions."
                    },
                    {
                        "name": "Material origin",
                        "kind": "category",
                        "unit_or_values": "natural | laboratory-grown claim | unresolved; evidence required",
                        "why_it_matters": "Separates geological origin from mineral identity and treatment history."
                    },
                    {
                        "name": "Specimen form",
                        "kind": "category",
                        "unit_or_values": "crystal | massive or granular material | rough fragment | faceted stone | cabochon | mounted stone",
                        "why_it_matters": "Determines which identification methods and condition inspections are feasible."
                    },
                    {
                        "name": "Refractive index and birefringence",
                        "kind": "measurement",
                        "unit_or_values": "dimensionless, with wavelength, instrument, orientation and uncertainty",
                        "why_it_matters": "Provides optical evidence for distinguishing topaz from similarly coloured materials."
                    },
                    {
                        "name": "Specific gravity",
                        "kind": "measurement",
                        "unit_or_values": "dimensionless, with measurement method, reference conditions and uncertainty",
                        "why_it_matters": "Adds an independent identity check while exposing interference from mounts, cavities or attached matrix."
                    },
                    {
                        "name": "Colour and optical appearance",
                        "kind": "category",
                        "unit_or_values": "hue, tone, saturation, zoning, transparency and directional colour observations under recorded illumination",
                        "why_it_matters": "Records appearance without treating colour as proof of identity or natural origin."
                    },
                    {
                        "name": "Cleavage orientation and damage",
                        "kind": "state",
                        "unit_or_values": "mapped | partly observed | unknown; record cleavage traces, chips and fractures",
                        "why_it_matters": "Controls cutting orientation and vulnerability to mechanical stress."
                    },
                    {
                        "name": "Treatment evidence",
                        "kind": "state",
                        "unit_or_values": "untested | treatment disclosed | treatment detected | no treatment detected by stated methods | inconclusive",
                        "why_it_matters": "Avoids turning an absence of evidence into a claim that the stone is untreated."
                    },
                    {
                        "name": "Specimen provenance",
                        "kind": "relation",
                        "unit_or_values": "links to locality records, collection events, suppliers, laboratory reports and specimen identifiers",
                        "why_it_matters": "Allows locality, identity and treatment claims to be traced to the particular material examined."
                    },
                    {
                        "name": "Irradiation release evidence",
                        "kind": "state",
                        "unit_or_values": "not relevant to documented history | history unknown | documentation available | assessment required",
                        "why_it_matters": "Makes any applicable release requirements depend on treatment history and jurisdiction rather than colour alone."
                    }
                ],
                "affordances": [
                    "Select suitable non-destructive tests to distinguish topaz from quartz, glass and other lookalikes.",
                    "Compare laboratory results with the specimen's claimed identity and flag contradictions.",
                    "Document colour treatments and determine which disclosure claims the evidence supports.",
                    "Assess cleavage and fractures before cutting, setting, cleaning or transport.",
                    "Link geological and commercial provenance records to the examined specimen.",
                    "Route uncertain identity, treatment or irradiation documentation to an appropriate specialist."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "mineral-identity",
                        "name": "Mineral identity",
                        "description": "Establish whether the material is topaz and define the physical extent of that identification.",
                        "rationale": "Topaz is a mineral species whose name can be confused with colour descriptions and misleading commercial names.",
                        "layers": [
                            {
                                "id": "species-and-composition",
                                "name": "Species and composition",
                                "description": "Connect the topaz identification to mineralogical evidence.",
                                "findings": [
                                    {
                                        "id": "composition-and-structure-evidence",
                                        "name": "Composition and structure evidence",
                                        "description": "Record evidence consistent with Al2SiO4(F,OH)2 and orthorhombic structure, distinguishing measured composition from assumed species composition.",
                                        "questions": [
                                            {
                                                "text": "Which observations or analytical results support identifying this material as topaz?",
                                                "kind": "definition",
                                                "id": "composition-and-structure-evidence-q01"
                                            },
                                            {
                                                "text": "Were composition and F/OH proportions measured, inferred from identification, or left undetermined?",
                                                "kind": "measurement",
                                                "id": "composition-and-structure-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "specimen-boundaries",
                                "name": "Specimen boundaries",
                                "description": "Separate topaz from associated minerals, surface additions and commercial naming.",
                                "findings": [
                                    {
                                        "id": "identified-material-extent",
                                        "name": "Identified material extent",
                                        "description": "Specify which portion of a crystal, matrix specimen, mounted stone or composite has actually been identified as topaz.",
                                        "questions": [
                                            {
                                                "text": "Does the identification apply to the entire object or only to a tested crystal or region?",
                                                "kind": "boundary",
                                                "id": "identified-material-extent-q01"
                                            },
                                            {
                                                "text": "Does a label such as golden topaz describe verified topaz, a colour claim, or another material sold under that name?",
                                                "kind": "definition",
                                                "id": "identified-material-extent-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "diagnostic-examination",
                        "name": "Diagnostic examination",
                        "description": "Organise complementary optical and physical tests appropriate to the specimen.",
                        "rationale": "Topaz overlaps visually with several gem materials, and specimen form can prevent otherwise useful tests.",
                        "layers": [
                            {
                                "id": "optical-discrimination",
                                "name": "Optical discrimination",
                                "description": "Use optical measurements without mistaking appearance for identity.",
                                "findings": [
                                    {
                                        "id": "optical-test-consistency",
                                        "name": "Optical test consistency",
                                        "description": "Record refractive index, birefringence and other relevant optical observations together with limitations caused by orientation, finish or mounting.",
                                        "questions": [
                                            {
                                                "text": "What refractive-index and birefringence results were obtained, using which method and accessible surfaces?",
                                                "kind": "measurement",
                                                "id": "optical-test-consistency-q01"
                                            },
                                            {
                                                "text": "Which candidate lookalikes remain consistent with the optical results?",
                                                "kind": "boundary",
                                                "id": "optical-test-consistency-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "physical-cross-checks",
                                "name": "Physical cross-checks",
                                "description": "Supplement optical evidence with density, crystal form and existing cleavage observations.",
                                "findings": [
                                    {
                                        "id": "non-destructive-physical-evidence",
                                        "name": "Non-destructive physical evidence",
                                        "description": "Evaluate specific gravity, preserved crystal morphology and visible basal cleavage without creating damage to demonstrate a property.",
                                        "questions": [
                                            {
                                                "text": "Can specific gravity be measured reliably despite attached matrix, mounting, inclusions or cavities?",
                                                "kind": "measurement",
                                                "id": "non-destructive-physical-evidence-q01"
                                            },
                                            {
                                                "text": "Do observed crystal form and existing cleavage traces support topaz, and what further non-destructive test would resolve contradictions?",
                                                "kind": "action",
                                                "id": "non-destructive-physical-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "colour-and-treatment",
                        "name": "Colour and treatment",
                        "description": "Distinguish observed appearance from evidence about how that appearance arose.",
                        "rationale": "Topaz colour may reflect natural processes or treatment, and visually similar stones can require different disclosures.",
                        "layers": [
                            {
                                "id": "colour-observation",
                                "name": "Colour observation",
                                "description": "Describe colour reproducibly while retaining uncertainty about origin.",
                                "findings": [
                                    {
                                        "id": "appearance-versus-colour-origin",
                                        "name": "Appearance versus colour origin",
                                        "description": "Record hue, zoning and directional effects separately from natural-colour and trade-variety claims.",
                                        "questions": [
                                            {
                                                "text": "What colour, zoning and directional variation are visible under specified lighting?",
                                                "kind": "measurement",
                                                "id": "appearance-versus-colour-origin-q01"
                                            },
                                            {
                                                "text": "What evidence supports any natural-colour or imperial-topaz designation beyond appearance and seller terminology?",
                                                "kind": "provenance",
                                                "id": "appearance-versus-colour-origin-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "treatment-history",
                                "name": "Treatment history",
                                "description": "Track disclosed or detected irradiation, heating and coatings.",
                                "findings": [
                                    {
                                        "id": "treatment-claims-and-limitations",
                                        "name": "Treatment claims and limitations",
                                        "description": "Connect each treatment claim to records or examination results and state what the methods cannot establish.",
                                        "questions": [
                                            {
                                                "text": "Which irradiation, heating or coating treatments are documented or detected for this specimen?",
                                                "kind": "provenance",
                                                "id": "treatment-claims-and-limitations-q01"
                                            },
                                            {
                                                "text": "What limits prevent the available tests from establishing a complete treatment history?",
                                                "kind": "boundary",
                                                "id": "treatment-claims-and-limitations-q02"
                                            },
                                            {
                                                "text": "What disclosure and care instructions follow from the supported treatment findings?",
                                                "kind": "action",
                                                "id": "treatment-claims-and-limitations-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "integrity-and-working",
                        "name": "Integrity and working",
                        "description": "Assess how cleavage, internal features and treatments constrain work on topaz.",
                        "rationale": "Resistance to scratching does not remove the risk of cleavage damage during cutting, setting or cleaning.",
                        "layers": [
                            {
                                "id": "cleavage-and-fractures",
                                "name": "Cleavage and fractures",
                                "description": "Locate structural weaknesses relative to the crystal or cut stone.",
                                "findings": [
                                    {
                                        "id": "damage-and-orientation-map",
                                        "name": "Damage and orientation map",
                                        "description": "Record basal cleavage orientation where determinable, together with chips, fractures and inclusions relevant to stress.",
                                        "questions": [
                                            {
                                                "text": "Where are cleavage traces, fractures and chips relative to facets, edges or proposed cutting planes?",
                                                "kind": "measurement",
                                                "id": "damage-and-orientation-map-q01"
                                            },
                                            {
                                                "text": "Does the observed condition support the intended cutting or setting operation, or require specialist assessment?",
                                                "kind": "action",
                                                "id": "damage-and-orientation-map-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "care-and-processing",
                                "name": "Care and processing",
                                "description": "Choose handling and cleaning methods based on the actual specimen and its treatments.",
                                "findings": [
                                    {
                                        "id": "specimen-specific-working-constraints",
                                        "name": "Specimen-specific working constraints",
                                        "description": "Translate cleavage, fractures, coatings and uncertain colour stability into practical limits on cleaning and processing.",
                                        "questions": [
                                            {
                                                "text": "Which proposed operations introduce impact, vibration, heat or surface abrasion that could damage this specimen?",
                                                "kind": "action",
                                                "id": "specimen-specific-working-constraints-q01"
                                            },
                                            {
                                                "text": "What verified care information applies to its coating or colour treatment, and what remains unknown?",
                                                "kind": "provenance",
                                                "id": "specimen-specific-working-constraints-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-release",
                        "name": "Provenance and release",
                        "description": "Trace specimen claims and establish whether treatment-related documentation permits the intended movement or use.",
                        "rationale": "Locality claims and irradiation release evidence concern different histories and must remain tied to the correct topaz specimen or lot.",
                        "layers": [
                            {
                                "id": "geological-and-specimen-history",
                                "name": "Geological and specimen history",
                                "description": "Separate extraction locality from later ownership, cutting and treatment locations.",
                                "findings": [
                                    {
                                        "id": "traceable-locality-claims",
                                        "name": "Traceable locality claims",
                                        "description": "Record the precision and evidence of origin claims while preserving identification through splitting or recutting.",
                                        "questions": [
                                            {
                                                "text": "Which records support the claimed extraction locality, and how precise is that attribution?",
                                                "kind": "provenance",
                                                "id": "traceable-locality-claims-q01"
                                            },
                                            {
                                                "text": "How is this stone linked to its parent rough specimen, treatment lot or earlier laboratory report?",
                                                "kind": "provenance",
                                                "id": "traceable-locality-claims-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "irradiated-material-documentation",
                                "name": "Irradiated material documentation",
                                "description": "Evaluate applicable release requirements from documented treatment history and destination.",
                                "findings": [
                                    {
                                        "id": "release-evidence-and-applicability",
                                        "name": "Release evidence and applicability",
                                        "description": "Record applicable jurisdictional requirements and lot-linked evidence without inferring irradiation status or residual activity from blue colour.",
                                        "questions": [
                                            {
                                                "text": "Does the documented irradiation history trigger release or transfer requirements in the relevant jurisdiction?",
                                                "kind": "boundary",
                                                "id": "release-evidence-and-applicability-q01"
                                            },
                                            {
                                                "text": "Which treatment and release records apply to this specimen or lot, and is specialist review needed before the intended action?",
                                                "kind": "action",
                                                "id": "release-evidence-and-applicability-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-confidence-notes",
                                        "name": "Check these first",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "This describes the mineral and its gem varieties from recall; no sources were consulted.",
                                            "Confirm specimen-specific optical and density values because fluorine-hydroxyl composition affects them.",
                                            "Verify current treatment-disclosure rules and irradiated-gemstone release requirements in the relevant jurisdiction."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of topaz this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Colourless topaz",
                                            "Blue topaz",
                                            "Yellow to brown topaz",
                                            "Pink to red topaz",
                                            "Imperial topaz, a trade designation with variable colour boundaries"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of topaz this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-standards-and-regulation",
                                        "name": "Standards and regulation",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "CIBJO's Gemstone Book provides nomenclature and treatment-disclosure guidance applicable to gem topaz."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of topaz this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Faceted gemstones for jewellery",
                                            "Carved ornamental objects",
                                            "Mineral specimens for collecting, teaching and geological study"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of topaz this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "quantity": "Mohs hardness",
                                                "typical_range": "8",
                                                "unit": "Mohs scale"
                                            },
                                            {
                                                "quantity": "Density",
                                                "typical_range": "Approximately 3.4-3.6, varying with composition",
                                                "unit": "g/cm³"
                                            },
                                            {
                                                "quantity": "Refractive index",
                                                "typical_range": "Approximately 1.61-1.64, depending on composition and optical direction",
                                                "unit": "dimensionless"
                                            },
                                            {
                                                "quantity": "Basal cleavage",
                                                "typical_range": "Perfect parallel to {001}",
                                                "unit": "crystallographic plane designation"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of topaz this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Perfect basal cleavage makes topaz susceptible to splitting under impact despite its high scratch hardness.",
                                            "Rapid temperature changes can cause cracking; steam and ultrasonic cleaning can damage vulnerable stones.",
                                            "Some natural or treatment-induced colours can fade under heat or light exposure.",
                                            "Surface coatings used to produce iridescent 'mystic topaz' can scratch or wear away.",
                                            "Certain irradiation treatments can induce residual radioactivity; treated material requires appropriate assessment before release."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of topaz this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Trade usage of 'imperial topaz' varies, so the label alone does not establish a precise colour range, origin or treatment history.",
                                            "Requirements governing the release and sale of irradiated gemstones vary by jurisdiction."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of topaz this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "name": "Quartz, including citrine",
                                                "difference": "Quartz is SiO₂, has Mohs hardness 7 and lacks topaz's perfect basal cleavage; yellow quartz has sometimes been misleadingly sold under topaz-related names."
                                            },
                                            {
                                                "name": "Beryl, including aquamarine",
                                                "difference": "Beryl is a hexagonal beryllium aluminium silicate with substantially lower density; colour alone cannot distinguish aquamarine from blue topaz."
                                            },
                                            {
                                                "name": "Corundum",
                                                "difference": "Corundum is Al₂O₃, has Mohs hardness 9 and lacks topaz's perfect basal cleavage."
                                            },
                                            {
                                                "name": "Treated topaz",
                                                "difference": "Irradiation, heating or coating can alter appearance while leaving the underlying mineral topaz; treatment status is an attribute rather than a separate mineral species."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of topaz this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Which authoritative mineralogical sources should supply diagnostic refractive-index, birefringence and specific-gravity ranges, including variation with composition?",
                "Which laboratory methods can resolve the relevant natural-colour, irradiation, heating and coating questions, and which distinctions remain indeterminate?",
                "What definition of imperial topaz is appropriate for the intended catalogue, given variation in trade usage?",
                "Which irradiation release requirements and acceptable records apply in the intended jurisdictions and to the treatment methods actually used?",
                "What topaz-specific evidence should govern dust controls during cutting or grinding, separately from handling intact specimens?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 18,
                "questions": 29
            }
        },
        "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 topaz, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise topaz, assess a specimen's identity, condition and treatment history, and decide whether it is suitable for study, cutting, use or further testing.",
            "characteristics": {
                "substance": "material",
                "origin": "natural",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured",
                "consumed or used up"
            ],
            "distinguishingFeatures": [
                "Described in 88 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 topaz, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state",
                "use it up, and then need more of it"
            ],
            "howItIsRecognised": [
                "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay."
            ],
            "relatedModels": [],
            "standing": "Described in 88 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one topaz from another, and a topaz 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 topaz, 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 topaz, 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 topaz 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 topaz, 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 topaz, 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 topaz 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 topaz 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 topaz, 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 topaz, 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 topaz 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 topaz from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a topaz, 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 topaz, 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 topaz 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 topaz 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 topaz, 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 topaz, 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 topaz 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 topaz is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a topaz, 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 topaz, 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 topaz 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 topaz is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a topaz, 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 topaz, 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 topaz 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 topaz 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 topaz is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a topaz, 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 topaz, 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 topaz 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 topaz 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 topaz, 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 topaz, 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 topaz 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 topaz 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 topaz between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a topaz, 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 topaz, 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 topaz 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 topaz, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a topaz 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 topaz, 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 topaz, 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 topaz 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 topaz 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 topaz is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a topaz performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a topaz, 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 topaz, 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 topaz 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 topaz.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a topaz at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a topaz, 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 topaz, 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 topaz 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 topaz there is and how fast it goes.",
                                        "questions": [
                                            {
                                                "id": "consumption-and-stock-q01",
                                                "text": "What identifies and describes the supply of a topaz, 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 topaz, 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 topaz 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 topaz 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 topaz 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 topaz 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 topaz 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 topaz, 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 topaz 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 topaz 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 topaz 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 topaz, 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 topaz 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 topaz and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a topaz, 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 topaz, 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 topaz 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 topaz is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a topaz, 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 topaz, 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 topaz 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
            }
        }
    }
}