{
    "model": {
        "rank": 4752,
        "code": "thing-q182458",
        "model_id": "vr.tr.anthracite",
        "name": "anthracite",
        "purpose": "Enable an agent to recognise anthracite, assess a particular lot's quality and condition, and determine its suitability for a proposed use.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.MAT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q182458/",
        "tier": 2,
        "score": 72,
        "payload": {
            "layer": "wikidata",
            "aliases": [],
            "aliasCount": 0,
            "merged": 0,
            "knownIn": 72,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.anthracite",
            "source": {
                "dataset": "wikidata",
                "item": "Q182458",
                "url": "https://www.wikidata.org/wiki/Q182458",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T20:55:45Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 24.8,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\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: 01a087f3-96dc-77b0-abff-0a096fe8bbb2\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: anthracite\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 005: 1001 regi",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 63.1,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\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: 01a087f3-96eb-7061-bbd2-a69d448c80e0\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: anthracite\nRegistry id: vr.tr.anthracite\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCo"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q182458",
                "registryId": "vr.tr.anthracite",
                "name": "anthracite",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.MAT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q182458/",
            "model": {
                "registry_id": "vr.tr.anthracite",
                "name": "anthracite",
                "purpose": "Enable an agent to recognise anthracite, assess a particular lot's quality and condition, and determine its suitability for a proposed use.",
                "definition": "Anthracite is a hard, lustrous, high-rank coal formed through advanced coalification, distinguished by high fixed-carbon content and low volatile-matter content relative to lower-rank coals.",
                "scope_statement": "This model owns anthracite as a naturally occurring coal material, including rank evidence, variable composition, preparation grade, physical condition and use constraints; it distinguishes the material from products containing it and processes that consume it.",
                "in_scope": [
                    "Evidence identifying the material as anthracite under a stated coal-rank classification",
                    "Origin, sampling history and variability within a deposit or supplied lot",
                    "Composition and fuel-quality measurements with their analytical bases",
                    "Particle-size grade, physical integrity, moisture and contamination",
                    "Suitability and constraints for combustion, filtration or other specified applications",
                    "Material-specific handling hazards and applicable commercial or regulatory identifiers"
                ],
                "out_of_scope": [
                    "Coal deposits, mine design and extraction operations",
                    "Combustion equipment, operating procedures and plant emissions control",
                    "Water-treatment system design and treated-water compliance",
                    "Coke, activated carbon, graphite and manufactured carbon products as separate materials",
                    "Transport infrastructure, supply contracts and commodity-market pricing"
                ],
                "distinguishing_features": [
                    "Require a named coal-rank classification and supporting analytical results; black colour, gloss or a supplier label alone do not establish anthracite identity.",
                    "Distinguish anthracite from neighbouring coal ranks using the chosen classification's criteria and analytical basis rather than an unsupported universal carbon threshold.",
                    "Distinguish naturally occurring anthracite from coke, char and activated carbon through formation and processing history.",
                    "Distinguish an anthracite lot from a blended fuel or formulated filter product by recording added constituents and their proportions.",
                    "Treat particle-size names and application grades as separate from geological rank: a filtration designation or trade size does not independently establish rank."
                ],
                "characteristics": [
                    {
                        "name": "Coal rank and classification basis",
                        "kind": "category",
                        "unit_or_values": "Named classification, edition, assigned class and supporting test results",
                        "why_it_matters": "Makes the anthracite identification testable and exposes differences between classification systems."
                    },
                    {
                        "name": "Origin and processing history",
                        "kind": "relation",
                        "unit_or_values": "Deposit or supplier lot linked to extraction, washing, sizing, blending and treatment records",
                        "why_it_matters": "Connects identity and quality evidence to the material actually being assessed."
                    },
                    {
                        "name": "Proximate analysis",
                        "kind": "measurement",
                        "unit_or_values": "Moisture, volatile matter, ash and fixed carbon in mass %, each with method and reporting basis",
                        "why_it_matters": "Supports rank assessment and fuel-quality comparison without conflating unlike analytical bases."
                    },
                    {
                        "name": "Elemental composition",
                        "kind": "measurement",
                        "unit_or_values": "Carbon, hydrogen, nitrogen, sulfur and oxygen in mass %; method, basis and measured or calculated status",
                        "why_it_matters": "Separates elemental carbon from fixed carbon and informs application constraints."
                    },
                    {
                        "name": "Trace constituents and contamination",
                        "kind": "measurement",
                        "unit_or_values": "Analyte-specific mg/kg or mass %, detection limits and test method",
                        "why_it_matters": "Allows acceptance decisions for applications sensitive to impurities or material release."
                    },
                    {
                        "name": "Heating value",
                        "kind": "measurement",
                        "unit_or_values": "MJ/kg, gross or net, with moisture basis and test method",
                        "why_it_matters": "Supports meaningful fuel comparison and equipment-specific acceptance."
                    },
                    {
                        "name": "Particle-size distribution",
                        "kind": "measurement",
                        "unit_or_values": "Sieve openings in mm and mass % retained or passing; named commercial size where applicable",
                        "why_it_matters": "Determines whether a lot meets feed-size or filtration-media requirements."
                    },
                    {
                        "name": "Density and packing",
                        "kind": "measurement",
                        "unit_or_values": "kg/m³, distinguishing particle density from loose or compacted bulk density",
                        "why_it_matters": "Supports storage, dosing and media-bed calculations."
                    },
                    {
                        "name": "Mechanical durability",
                        "kind": "measurement",
                        "unit_or_values": "Abrasion, attrition or friability result under a named method",
                        "why_it_matters": "Indicates whether handling or service will generate unacceptable fines."
                    },
                    {
                        "name": "Current lot condition",
                        "kind": "state",
                        "unit_or_values": "Observed moisture, fines, foreign matter, temperature and inspection timestamp",
                        "why_it_matters": "Separates present condition from historical supplier specifications."
                    },
                    {
                        "name": "Application qualification",
                        "kind": "relation",
                        "unit_or_values": "Lot linked to intended use, acceptance specification, test evidence and qualification status",
                        "why_it_matters": "Prevents treating suitability for one application as suitability for every application."
                    },
                    {
                        "name": "Hazard and regulatory identity",
                        "kind": "category",
                        "unit_or_values": "Supplier safety data, jurisdiction, identifiers where applicable, classification date and supporting evidence",
                        "why_it_matters": "Supports handling decisions without assuming a single universal identity or hazard classification."
                    }
                ],
                "affordances": [
                    "Evaluate a claimed anthracite identity against a named rank classification.",
                    "Compare supplied lots using measurements expressed on compatible analytical bases.",
                    "Select or reject a particle-size grade against a specified application requirement.",
                    "Request representative sampling or additional testing where evidence is missing or stale.",
                    "Qualify a lot for a stated use and record the conditions attached to acceptance.",
                    "Flag material-condition changes or documented hazards requiring handling controls."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "anthracite-identity",
                        "name": "Anthracite identity",
                        "description": "Establishes what supports calling the material anthracite and where that identity ends.",
                        "rationale": "Rank, trade terminology and manufactured carbon products can otherwise be mistaken for equivalent identities.",
                        "layers": [
                            {
                                "id": "rank-evidence",
                                "name": "Rank evidence",
                                "description": "Connects the rank assignment to an explicit classification and analytical basis.",
                                "findings": [
                                    {
                                        "id": "supported-rank-assignment",
                                        "name": "Supported rank assignment",
                                        "description": "Record the classification used and the evidence supporting its anthracite designation.",
                                        "questions": [
                                            {
                                                "text": "Which classification and edition define anthracite for this assessment?",
                                                "kind": "definition",
                                                "id": "supported-rank-assignment-q01"
                                            },
                                            {
                                                "text": "Which test results, corrections and reporting bases support the assigned rank?",
                                                "kind": "measurement",
                                                "id": "supported-rank-assignment-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "material-boundary",
                                "name": "Material boundary",
                                "description": "Separates anthracite from neighbouring coal ranks, processed carbons and mixtures.",
                                "findings": [
                                    {
                                        "id": "natural-material-or-derived-product",
                                        "name": "Natural material or derived product",
                                        "description": "Record processing and added constituents needed to establish whether the assessed object remains an anthracite material lot.",
                                        "questions": [
                                            {
                                                "text": "What origin and treatment records distinguish this material from coke, char or activated carbon?",
                                                "kind": "provenance",
                                                "id": "natural-material-or-derived-product-q01"
                                            },
                                            {
                                                "text": "Does the supplied material include other coals, binders or additives that require a mixture or product model?",
                                                "kind": "boundary",
                                                "id": "natural-material-or-derived-product-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "lot-composition",
                        "name": "Lot composition",
                        "description": "Captures representative composition and the limits of laboratory evidence.",
                        "rationale": "An anthracite designation does not establish a particular lot's moisture, ash, sulfur or contaminant content.",
                        "layers": [
                            {
                                "id": "sampling-and-variability",
                                "name": "Sampling and variability",
                                "description": "Connects laboratory samples to the quantity of material they represent.",
                                "findings": [
                                    {
                                        "id": "representative-lot-evidence",
                                        "name": "Representative lot evidence",
                                        "description": "Record lot boundaries, sample collection and evidence of variation.",
                                        "questions": [
                                            {
                                                "text": "Which deposit, shipment or stockpile does the sample represent, and how was it collected?",
                                                "kind": "provenance",
                                                "id": "representative-lot-evidence-q01"
                                            },
                                            {
                                                "text": "What variation or sampling uncertainty could change the lot's acceptance decision?",
                                                "kind": "measurement",
                                                "id": "representative-lot-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "analytical-composition",
                                "name": "Analytical composition",
                                "description": "Keeps composition measurements comparable and distinguishes measured values from calculated quantities.",
                                "findings": [
                                    {
                                        "id": "comparable-composition-results",
                                        "name": "Comparable composition results",
                                        "description": "Record proximate, elemental and application-relevant impurity analyses with their methods and bases.",
                                        "questions": [
                                            {
                                                "text": "What are the moisture, ash, volatile matter and fixed-carbon results, and on which basis is each reported?",
                                                "kind": "measurement",
                                                "id": "comparable-composition-results-q01"
                                            },
                                            {
                                                "text": "Which elemental and trace-constituent results are available, including methods, detection limits and calculated values?",
                                                "kind": "measurement",
                                                "id": "comparable-composition-results-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "physical-grade-and-condition",
                        "name": "Physical grade and condition",
                        "description": "Describes the supplied particle population and changes caused by storage or handling.",
                        "rationale": "Lots of the same rank can behave differently because of sizing, packing, breakage and moisture.",
                        "layers": [
                            {
                                "id": "size-and-packing",
                                "name": "Size and packing",
                                "description": "Translates commercial grade names into measurable particle and bulk properties.",
                                "findings": [
                                    {
                                        "id": "verified-physical-grade",
                                        "name": "Verified physical grade",
                                        "description": "Record sieve distribution and density measurements supporting the supplied grade.",
                                        "questions": [
                                            {
                                                "text": "What sieve limits and measured size distribution support the commercial grade name?",
                                                "kind": "measurement",
                                                "id": "verified-physical-grade-q01"
                                            },
                                            {
                                                "text": "Which particle and bulk density values were measured, and under what packing and moisture conditions?",
                                                "kind": "measurement",
                                                "id": "verified-physical-grade-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-degradation",
                                "name": "Condition and degradation",
                                "description": "Assesses whether current material condition still matches its qualification evidence.",
                                "findings": [
                                    {
                                        "id": "handling-related-quality-change",
                                        "name": "Handling-related quality change",
                                        "description": "Record fines generation, moisture change and contamination since the last accepted assessment.",
                                        "questions": [
                                            {
                                                "text": "What inspections or durability tests show breakage, fines, moisture change or foreign matter?",
                                                "kind": "measurement",
                                                "id": "handling-related-quality-change-q01"
                                            },
                                            {
                                                "text": "Do these changes require resampling, screening, segregation or rejection under the intended-use specification?",
                                                "kind": "action",
                                                "id": "handling-related-quality-change-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "application-performance",
                        "name": "Application performance",
                        "description": "Links anthracite properties to the requirements of a specific use.",
                        "rationale": "Fuel acceptance and filtration-media acceptance depend on different evidence.",
                        "layers": [
                            {
                                "id": "fuel-qualification",
                                "name": "Fuel qualification",
                                "description": "Assesses the lot against the requirements of a nominated combustion application.",
                                "findings": [
                                    {
                                        "id": "fuel-specification-fit",
                                        "name": "Fuel specification fit",
                                        "description": "Record fuel properties and compatibility evidence required by the receiving equipment.",
                                        "questions": [
                                            {
                                                "text": "What heating value, moisture, ash, sulfur and size limits does the receiving application impose?",
                                                "kind": "boundary",
                                                "id": "fuel-specification-fit-q01"
                                            },
                                            {
                                                "text": "What test or operating evidence supports acceptance, including ignition, burnout and ash behaviour where required?",
                                                "kind": "action",
                                                "id": "fuel-specification-fit-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "filter-media-qualification",
                                "name": "Filter-media qualification",
                                "description": "Assesses anthracite offered as filter media against the intended service specification.",
                                "findings": [
                                    {
                                        "id": "filter-media-specification-fit",
                                        "name": "Filter-media specification fit",
                                        "description": "Record media sizing, durability, cleanliness and service-specific qualification evidence.",
                                        "questions": [
                                            {
                                                "text": "Which effective-size, uniformity, density and attrition requirements apply, and what results demonstrate compliance?",
                                                "kind": "measurement",
                                                "id": "filter-media-specification-fit-q01"
                                            },
                                            {
                                                "text": "What cleanliness, leaching or water-contact evidence is required before this lot may enter the intended filtration service?",
                                                "kind": "action",
                                                "id": "filter-media-specification-fit-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "handling-and-regulatory-constraints",
                        "name": "Handling and regulatory constraints",
                        "description": "Connects the material's documented hazards and identity to its supplied form and jurisdiction.",
                        "rationale": "Handling decisions require evidence about the actual lot and exposure conditions, not assumptions drawn from the name alone.",
                        "layers": [
                            {
                                "id": "dust-and-storage-assessment",
                                "name": "Dust and storage assessment",
                                "description": "Identifies evidence needed to manage dust exposure and thermal or combustion hazards.",
                                "findings": [
                                    {
                                        "id": "condition-specific-hazard-evidence",
                                        "name": "Condition-specific hazard evidence",
                                        "description": "Record applicable hazard information, test evidence and controls for the material's particle size and handling conditions.",
                                        "questions": [
                                            {
                                                "text": "What safety data or testing addresses inhalable and respirable dust, relevant mineral constituents, dust ignition and self-heating for this material?",
                                                "kind": "provenance",
                                                "id": "condition-specific-hazard-evidence-q01"
                                            },
                                            {
                                                "text": "Which exposure, ventilation, housekeeping and storage controls follow from that evidence and the actual handling conditions?",
                                                "kind": "action",
                                                "id": "condition-specific-hazard-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "documented-commercial-identity",
                                "name": "Documented commercial identity",
                                "description": "Tracks identifiers and classifications without treating anthracite as a pure compound with invariant properties.",
                                "findings": [
                                    {
                                        "id": "applicable-identifiers-and-classifications",
                                        "name": "Applicable identifiers and classifications",
                                        "description": "Record identifiers, safety classifications and transport statements with their documentary scope.",
                                        "questions": [
                                            {
                                                "text": "Which identifiers and classifications appear in the supplier's current documentation, and which material or product do they identify?",
                                                "kind": "provenance",
                                                "id": "applicable-identifiers-and-classifications-q01"
                                            },
                                            {
                                                "text": "Which jurisdiction, supplied form and intended use govern the applicability of those records?",
                                                "kind": "boundary",
                                                "id": "applicable-identifiers-and-classifications-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 geological and commercial coal sense, not the colour name; all statements are recalled rather than source-verified.",
                                            "Check the applicable edition and classification system before applying rank boundaries; fixed carbon is a proximate-analysis quantity, not elemental carbon purity.",
                                            "Ash, sulfur, moisture, heating value, density and contaminant content require sample-specific measurements; anthracite has no single molecular formula or characteristic melting and boiling points."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of anthracite 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": [
                                            "Anthracite sensu stricto",
                                            "Semi-anthracite, within the broader anthracitic rank group",
                                            "Meta-anthracite, within the broader anthracitic rank group"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of anthracite 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": [
                                            "ASTM International ASTM D388, Standard Classification of Coals by Rank",
                                            "American Water Works Association AWWA B100, Filtering Material, relevant to anthracite used as filter media"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of anthracite 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": [
                                            "Domestic and commercial heating in suitable solid-fuel appliances",
                                            "Industrial fuel",
                                            "Granular media in water filtration",
                                            "Carbon feedstock for metallurgical applications, including processed or calcined grades"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of anthracite 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": "Fixed carbon for anthracite sensu stricto under ASTM rank classification",
                                                "typical_range": "92 to less than 98, on a dry mineral-matter-free basis",
                                                "unit": "mass %"
                                            },
                                            {
                                                "quantity": "Volatile matter for anthracite sensu stricto under ASTM rank classification",
                                                "typical_range": "Greater than 2 to 8, on a dry mineral-matter-free basis",
                                                "unit": "mass %"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of anthracite 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": [
                                            "Respirable coal dust can cause chronic lung disease; associated crystalline silica may add a separate inhalation hazard.",
                                            "Incomplete combustion can produce carbon monoxide.",
                                            "Combustion releases carbon dioxide and, depending on composition and controls, sulfur oxides, nitrogen oxides and particulate matter.",
                                            "Low volatile content makes ignition and sustained combustion difficult in unsuitable appliances.",
                                            "Filter-media attrition, fouling or unsuitable particle sizing can impair filtration performance."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of anthracite 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": [
                                            "Coal-rank terminology and classification boundaries differ between national and international systems.",
                                            "Pennsylvania anthracite is a prominent commercial designation, but geographic origin alone does not establish rank or quality.",
                                            "Commercial size and grade names vary by market and intended application."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of anthracite 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": "Bituminous coal",
                                                "difference": "A lower coal rank, generally with more volatile matter; rank classification requires laboratory analysis on a specified reporting basis."
                                            },
                                            {
                                                "name": "Coke",
                                                "difference": "Coke is manufactured by heating carbonaceous feedstock with restricted oxygen; anthracite is a naturally occurring coal."
                                            },
                                            {
                                                "name": "Graphite",
                                                "difference": "Graphite is a crystalline carbon mineral; anthracite remains a heterogeneous coal with organic matter and mineral constituents."
                                            },
                                            {
                                                "name": "Activated carbon",
                                                "difference": "Activated carbon is processed to develop substantial adsorption capacity; ordinary anthracite filter media primarily remove particles."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of anthracite this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Which coal-rank classification should anchor the registry definition, and how should differing anthracite subclasses be mapped without creating duplicate registered things?",
                "Which identifiers legitimately cover natural anthracite, and which instead identify broader coal categories or specific commercial products?",
                "Which analytical and sampling methods are needed to compare lots reliably across suppliers and reporting bases?",
                "Which application standards establish acceptance criteria for fuel use and filtration media, including water-contact requirements where relevant?",
                "What evidence establishes dust, mineral-impurity, ignition and self-heating hazards for different anthracite grades and supplied particle sizes?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 18,
                "questions": 28
            }
        },
        "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 anthracite, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise anthracite, assess a particular lot's quality and condition, and determine its suitability for a proposed use.",
            "characteristics": {
                "substance": "material",
                "origin": "natural",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured",
                "consumed or used up"
            ],
            "distinguishingFeatures": [
                "Described in 72 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 anthracite, 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 72 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 anthracite from another, and a anthracite 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 anthracite, 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 anthracite, 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 anthracite 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 anthracite, 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 anthracite, 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 anthracite 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 anthracite 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 anthracite, 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 anthracite, 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 anthracite 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 anthracite from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a anthracite, 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 anthracite, 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 anthracite 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 anthracite 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 anthracite, 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 anthracite, 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 anthracite 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 anthracite is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a anthracite, 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 anthracite, 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 anthracite 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 anthracite is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a anthracite, 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 anthracite, 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 anthracite 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 anthracite 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 anthracite is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a anthracite, 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 anthracite, 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 anthracite 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 anthracite 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 anthracite, 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 anthracite, 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 anthracite 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 anthracite 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 anthracite between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a anthracite, 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 anthracite, 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 anthracite 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 anthracite, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a anthracite 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 anthracite, 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 anthracite, 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 anthracite 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 anthracite 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 anthracite is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a anthracite performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a anthracite, 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 anthracite, 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 anthracite 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 anthracite.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a anthracite at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a anthracite, 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 anthracite, 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 anthracite 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 anthracite there is and how fast it goes.",
                                        "questions": [
                                            {
                                                "id": "consumption-and-stock-q01",
                                                "text": "What identifies and describes the supply of a anthracite, 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 anthracite, 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 anthracite 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 anthracite 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 anthracite 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 anthracite 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 anthracite 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 anthracite, 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 anthracite 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 anthracite 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 anthracite 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 anthracite, 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 anthracite 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 anthracite and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a anthracite, 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 anthracite, 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 anthracite 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 anthracite is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a anthracite, 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 anthracite, 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 anthracite 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
            }
        }
    }
}