{
    "model": {
        "rank": 3949,
        "code": "thing-q226697",
        "model_id": "vr.tr.parchment",
        "name": "parchment",
        "purpose": "Enable an agent to recognise animal-skin parchment, assess its material condition and suitability, and choose handling, use or conservation actions appropriate to the particular sheet.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.MAT",
        "industry": "",
        "version": "",
        "url": "/models/thing/q226697/",
        "tier": 2,
        "score": 80,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "Quaterna",
                "vellum"
            ],
            "aliasCount": 2,
            "merged": 2,
            "knownIn": 80,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.parchment",
            "source": {
                "dataset": "wikidata",
                "item": "Q226697",
                "url": "https://www.wikidata.org/wiki/Q226697",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T19:08:30Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 22.3,
                        "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: 01a08791-4ecf-7743-9ab6-d8d90a521da0\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: parchment\nSense to describe: (none recorded)\nDomain code: PHY.MAT\nAlso known as: (none)\n\n\nContext for this batch of 695 things:\n# Batch 004: 1001 regist",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 69,
                        "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: 01a08791-4ede-7c90-b115-ce18e2da65b1\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: parchment\nRegistry id: vr.tr.parchment\nPlane / domain: PHY / PHY.MAT\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCont"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q226697",
                "registryId": "vr.tr.parchment",
                "name": "parchment",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.MAT"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q226697/",
            "model": {
                "registry_id": "vr.tr.parchment",
                "name": "parchment",
                "purpose": "Enable an agent to recognise animal-skin parchment, assess its material condition and suitability, and choose handling, use or conservation actions appropriate to the particular sheet.",
                "definition": "Parchment is a collagen-rich sheet material made from animal skin, usually calf, sheep or goat, by dehairing, scraping and drying under tension rather than tanning, traditionally used for writing and bookmaking.",
                "scope_statement": "This model owns parchment as a prepared animal-skin material, including its construction, surfaces, variability and condition, while distinguishing it from paper sold as parchment and from the documents or objects made with it.",
                "in_scope": [
                    "Identification of animal-skin parchment and uncertainty about species or preparation",
                    "Collagen-based skin structure, retained surface features and applied preparations",
                    "Sheet dimensions, thickness variation, surface properties and mechanical behaviour",
                    "Moisture response, deformation, damage and evidence of previous treatment",
                    "Material suitability and constraints for writing, fabrication, storage and conservation"
                ],
                "out_of_scope": [
                    "Vegetable parchment, baking parchment and imitation parchment papers",
                    "Leather as a separately identified material and the full process of tanning",
                    "Textual content, authorship and interpretation of manuscripts",
                    "Codex structure, binding design and complete document conservation plans",
                    "Animal husbandry, slaughter and commercial production operations"
                ],
                "distinguishing_features": [
                    "Establish whether the substrate is animal skin rather than a cellulose-fibre sheet; colour and a parchment-like finish alone do not establish identity.",
                    "Look for skin-derived features such as follicle patterns, veins and differences between hair and flesh sides, recording when preparation obscures them.",
                    "Distinguish parchment preparation, typically involving drying skin under tension without tanning, from leather processing; leave ambiguous or altered skins unresolved pending examination.",
                    "Treat 'vellum' as a terminology claim requiring context, rather than sufficient evidence of calfskin or a particular quality.",
                    "Separate substrate identity from surface coatings, writing media and attached supports that may conceal or modify its behaviour."
                ],
                "characteristics": [
                    {
                        "name": "Material identification",
                        "kind": "category",
                        "unit_or_values": "animal-skin parchment | paper imitation | other prepared skin | unresolved; evidence and confidence",
                        "why_it_matters": "Prevents decisions based on a trade name or appearance alone."
                    },
                    {
                        "name": "Animal origin",
                        "kind": "category",
                        "unit_or_values": "identified or proposed species; unknown; identification method and confidence",
                        "why_it_matters": "Supports interpretation of skin features and provenance without treating visual attribution as certain."
                    },
                    {
                        "name": "Preparation and treatment history",
                        "kind": "relation",
                        "unit_or_values": "Links to documented or inferred preparation, coating, repair and conservation events",
                        "why_it_matters": "Processing and later interventions can affect surface suitability and response to treatment."
                    },
                    {
                        "name": "Sheet geometry",
                        "kind": "measurement",
                        "unit_or_values": "length and width in mm; thickness in mm or µm at mapped locations; measurement conditions",
                        "why_it_matters": "Local variation matters for support, fabrication and interpretation of deformation."
                    },
                    {
                        "name": "Side and anatomical orientation",
                        "kind": "category",
                        "unit_or_values": "hair side | flesh side | unresolved; anatomical orientation where supported",
                        "why_it_matters": "Surface differences can affect identification, writing and examination."
                    },
                    {
                        "name": "Surface preparation",
                        "kind": "state",
                        "unit_or_values": "Observed scraping, polishing, residues, coatings and other preparations by side and location; unknown where untested",
                        "why_it_matters": "The usable surface may behave differently from the underlying skin."
                    },
                    {
                        "name": "Optical appearance",
                        "kind": "measurement",
                        "unit_or_values": "Colour and opacity or transmittance with stated method, lighting and location",
                        "why_it_matters": "Supports comparison of areas and monitoring of change without equating appearance with quality."
                    },
                    {
                        "name": "Environmental exposure",
                        "kind": "measurement",
                        "unit_or_values": "temperature in °C; relative humidity in %; duration and fluctuations",
                        "why_it_matters": "Condition observations and dimensional behaviour need environmental context."
                    },
                    {
                        "name": "Deformation and restraint",
                        "kind": "state",
                        "unit_or_values": "flat, cockled, curled, folded or distorted; mapped attachments, tension and movement",
                        "why_it_matters": "Restraints can concentrate stresses as the sheet changes shape."
                    },
                    {
                        "name": "Material integrity",
                        "kind": "state",
                        "unit_or_values": "Mapped tears, splits, losses, abrasion, stiffness, friability or suspected collagen alteration; assessment method",
                        "why_it_matters": "Determines whether handling or intervention may extend damage."
                    },
                    {
                        "name": "Associated materials",
                        "kind": "relation",
                        "unit_or_values": "Links to inks, pigments, adhesives, repairs, mounts and supports at identified locations",
                        "why_it_matters": "An action acceptable for bare parchment may be unsuitable for the materials attached to it."
                    }
                ],
                "affordances": [
                    "Examine and document both sides to establish material identity and map variation.",
                    "Assess whether a particular surface is suitable for an intended writing or fabrication task.",
                    "Select handling supports and housing based on sheet condition, deformation and attachments.",
                    "Monitor dimensional and condition changes alongside environmental measurements.",
                    "Identify when sampling, humidification, flattening or repair requires specialist assessment and authorization."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "parchment-identity",
                        "name": "Parchment identity",
                        "description": "Establish the material sense of parchment and the evidence supporting identification.",
                        "rationale": "The name covers materially different products, and skin terminology does not reliably establish species or preparation.",
                        "layers": [
                            {
                                "id": "substrate-boundary",
                                "name": "Substrate boundary",
                                "description": "Separate animal-skin parchment from paper substitutes and other prepared skins.",
                                "findings": [
                                    {
                                        "id": "skin-substrate-evidence",
                                        "name": "Skin substrate evidence",
                                        "description": "Record observations supporting animal-skin identification and competing interpretations.",
                                        "questions": [
                                            {
                                                "text": "What observed features establish a skin substrate rather than cellulose paper?",
                                                "kind": "definition",
                                                "id": "skin-substrate-evidence-q01"
                                            },
                                            {
                                                "text": "What evidence distinguishes parchment preparation from leather or another prepared-skin material?",
                                                "kind": "boundary",
                                                "id": "skin-substrate-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "origin-and-naming",
                                "name": "Origin and naming",
                                "description": "Keep species attribution and historical or commercial naming tied to their evidence.",
                                "findings": [
                                    {
                                        "id": "species-and-vellum-claims",
                                        "name": "Species and vellum claims",
                                        "description": "Represent animal origin and terminology without turning an inherited label into a biological identification.",
                                        "questions": [
                                            {
                                                "text": "Is the animal species documented, analytically identified, visually proposed or unknown?",
                                                "kind": "provenance",
                                                "id": "species-and-vellum-claims-q01"
                                            },
                                            {
                                                "text": "If the sheet is called vellum, what does that term mean in its source context?",
                                                "kind": "definition",
                                                "id": "species-and-vellum-claims-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "skin-structure-and-preparation",
                        "name": "Skin structure and preparation",
                        "description": "Describe the skin-derived structure and preparation that make individual areas behave differently.",
                        "rationale": "Parchment is a variable biological sheet whose sides, anatomical regions and working history matter.",
                        "layers": [
                            {
                                "id": "anatomical-variation",
                                "name": "Anatomical variation",
                                "description": "Map side identification, retained skin features and local thickness.",
                                "findings": [
                                    {
                                        "id": "sides-and-thickness-map",
                                        "name": "Sides and thickness map",
                                        "description": "Record spatial variation instead of assigning a single uniform sheet description.",
                                        "questions": [
                                            {
                                                "text": "Which side is identified as hair or flesh, and which features support that identification?",
                                                "kind": "definition",
                                                "id": "sides-and-thickness-map-q01"
                                            },
                                            {
                                                "text": "How does thickness vary across the sheet, and how was it measured without unacceptable compression or damage?",
                                                "kind": "measurement",
                                                "id": "sides-and-thickness-map-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "worked-surfaces",
                                "name": "Worked surfaces",
                                "description": "Distinguish the underlying skin from preparation marks and added surface materials.",
                                "findings": [
                                    {
                                        "id": "preparation-evidence",
                                        "name": "Preparation evidence",
                                        "description": "Track documented and inferred scraping, tension drying, polishing and surface additions separately.",
                                        "questions": [
                                            {
                                                "text": "Which preparation steps are supported by records or examination, and which remain hypotheses?",
                                                "kind": "provenance",
                                                "id": "preparation-evidence-q01"
                                            },
                                            {
                                                "text": "Are visible deposits or finishes part of preparation, later treatment or unidentified contamination?",
                                                "kind": "boundary",
                                                "id": "preparation-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "surface-performance-and-use",
                        "name": "Surface performance and use",
                        "description": "Assess how the particular parchment surface supports an intended use.",
                        "rationale": "A material label or grade cannot by itself establish writing performance, translucency or suitability for fabrication.",
                        "layers": [
                            {
                                "id": "writing-surface",
                                "name": "Writing surface",
                                "description": "Connect side-specific surface condition to intended or existing marking media.",
                                "findings": [
                                    {
                                        "id": "media-surface-compatibility",
                                        "name": "Media and surface compatibility",
                                        "description": "Record evidence of adhesion, spreading or surface disruption for the relevant medium.",
                                        "questions": [
                                            {
                                                "text": "What evidence supports compatibility between the intended medium and this side's preparation?",
                                                "kind": "measurement",
                                                "id": "media-surface-compatibility-q01"
                                            },
                                            {
                                                "text": "Can suitability be assessed on equivalent expendable material, or would testing alter a significant sheet?",
                                                "kind": "action",
                                                "id": "media-surface-compatibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "optical-and-forming-properties",
                                "name": "Optical and forming properties",
                                "description": "Assess appearance and workability for a specified material application.",
                                "findings": [
                                    {
                                        "id": "application-specific-suitability",
                                        "name": "Application-specific suitability",
                                        "description": "Relate local opacity, dimensions and flexibility to an explicit intended use.",
                                        "questions": [
                                            {
                                                "text": "What opacity or transmittance does the application require, and how does the sheet vary under a stated measurement method?",
                                                "kind": "measurement",
                                                "id": "application-specific-suitability-q01"
                                            },
                                            {
                                                "text": "Does the sheet's condition permit the proposed cutting, folding or tensioning, and is material alteration authorized?",
                                                "kind": "action",
                                                "id": "application-specific-suitability-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "moisture-response-and-integrity",
                        "name": "Moisture response and integrity",
                        "description": "Interpret deformation and deterioration in relation to exposure and restraint.",
                        "rationale": "Shape alone does not establish damage, and apparently similar sheets may respond differently because of their condition and history.",
                        "layers": [
                            {
                                "id": "environment-and-movement",
                                "name": "Environment and movement",
                                "description": "Connect observed movement to environmental conditions and attachment geometry.",
                                "findings": [
                                    {
                                        "id": "dimensional-response",
                                        "name": "Dimensional response",
                                        "description": "Record curling, cockling and dimensional change with environmental and restraint context.",
                                        "questions": [
                                            {
                                                "text": "Under what temperature and relative-humidity history was the observed deformation recorded?",
                                                "kind": "measurement",
                                                "id": "dimensional-response-q01"
                                            },
                                            {
                                                "text": "Where do mounts, stitches, adhesives or other attachments restrict movement and coincide with stress?",
                                                "kind": "boundary",
                                                "id": "dimensional-response-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "damage-and-alteration",
                                "name": "Damage and alteration",
                                "description": "Separate preparation features and stable irregularities from active or consequential deterioration.",
                                "findings": [
                                    {
                                        "id": "integrity-assessment",
                                        "name": "Integrity assessment",
                                        "description": "Map damage and retain uncertainty about the causes or extent of collagen alteration.",
                                        "questions": [
                                            {
                                                "text": "Which holes, thin areas or marks appear to originate in the skin or preparation, and which indicate later damage?",
                                                "kind": "boundary",
                                                "id": "integrity-assessment-q01"
                                            },
                                            {
                                                "text": "What examination supports suspected collagen alteration or biological deterioration, and what remains unconfirmed?",
                                                "kind": "measurement",
                                                "id": "integrity-assessment-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "handling-and-intervention",
                        "name": "Handling and intervention",
                        "description": "Translate the material assessment into support, monitoring and intervention decisions.",
                        "rationale": "Parchment actions must account for moisture sensitivity, weak areas and associated materials rather than follow a uniform treatment recipe.",
                        "layers": [
                            {
                                "id": "support-and-housing",
                                "name": "Support and housing",
                                "description": "Choose handling and storage arrangements appropriate to the sheet's actual shape and integrity.",
                                "findings": [
                                    {
                                        "id": "supported-access",
                                        "name": "Supported access",
                                        "description": "Specify support and movement limits without assuming the sheet should be forced flat.",
                                        "questions": [
                                            {
                                                "text": "What support allows examination or transport without flexing tears, folds or stiffened areas?",
                                                "kind": "action",
                                                "id": "supported-access-q01"
                                            },
                                            {
                                                "text": "What housing accommodates the sheet's shape and anticipated movement while protecting exposed surfaces?",
                                                "kind": "action",
                                                "id": "supported-access-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "treatment-constraints",
                                "name": "Treatment constraints",
                                "description": "Identify evidence, expertise and permissions needed before a material-changing intervention.",
                                "findings": [
                                    {
                                        "id": "intervention-readiness",
                                        "name": "Intervention readiness",
                                        "description": "Evaluate proposed sampling, humidification, flattening or repair against substrate and associated-material risks.",
                                        "questions": [
                                            {
                                                "text": "Which inks, pigments, coatings, adhesives or previous repairs constrain the proposed intervention?",
                                                "kind": "boundary",
                                                "id": "intervention-readiness-q01"
                                            },
                                            {
                                                "text": "What specialist assessment, testing, authorization and stopping criteria are required before proceeding?",
                                                "kind": "action",
                                                "id": "intervention-readiness-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": [
                                            "The intended sense is animal-skin parchment; the registry should confirm that it does not mean parchment paper.",
                                            "Numerical properties depend strongly on species, preparation, ageing and moisture content, so no universal measurement ranges are supplied.",
                                            "No material-specific identifier or regulatory standard is asserted from recall."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of parchment 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": [
                                            "Calfskin parchment",
                                            "Sheepskin parchment",
                                            "Goatskin parchment"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of parchment 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": [
                                            "Writing and illumination of manuscripts",
                                            "Production of charters, certificates and ceremonial documents",
                                            "Book covers and binding components",
                                            "Conservation and repair of historic parchment objects",
                                            "Membranes for musical instruments"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of parchment 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": [
                                            "Changes in relative humidity cause dimensional movement, cockling and stress at restraints or attachments.",
                                            "Heat, especially in the presence of moisture, can denature collagen and cause irreversible shrinkage.",
                                            "Prolonged damp conditions can support mould growth.",
                                            "Repeated flexing, abrasion and concentrated loads can cause surface loss, tears or splitting.",
                                            "Light exposure can alter colour and damage associated inks and pigments."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of parchment 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": [
                                            "The term vellum may mean calfskin parchment specifically or fine parchment more generally, depending on historical and institutional usage.",
                                            "Animal species and preparation methods vary across places and periods, affecting thickness, colour and surface character."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of parchment 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": "leather",
                                                "difference": "Leather undergoes tanning to stabilise the skin; parchment is normally untanned and dried under tension."
                                            },
                                            {
                                                "name": "vellum",
                                                "difference": "Vellum overlaps with parchment, often designating calfskin or a fine grade rather than a consistently separate material."
                                            },
                                            {
                                                "name": "parchment paper",
                                                "difference": "Parchment paper is a processed cellulose-based paper, including products used for baking; animal parchment retains a skin-derived collagen structure."
                                            },
                                            {
                                                "name": "papyrus",
                                                "difference": "Papyrus is made from layered plant strips, whereas parchment is prepared animal skin."
                                            },
                                            {
                                                "name": "rawhide",
                                                "difference": "Both are untanned skin materials, but parchment is deliberately prepared as a sheet with controlled surface and thickness; the boundary can overlap for membranes."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of parchment this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Which neighbouring registry or world-model entries already cover leather, rawhide, vellum and parchment paper, and where should references replace duplicate coverage?",
                "Which non-destructive observations can reliably distinguish animal species or preparation methods, and when is analytical sampling justified?",
                "Which published conservation evidence supports environmental guidance for different parchment conditions, attachments and associated media?",
                "Which assessment methods distinguish reversible deformation from collagen deterioration without creating additional damage?",
                "How should historical and commercial parchment grades be represented when their meanings vary, and which chemical identifiers or hazard classifications apply only to particular coatings, residues or treatments?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 16,
                "questions": 26
            }
        },
        "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 parchment, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise animal-skin parchment, assess its material condition and suitability, and choose handling, use or conservation actions appropriate to the particular sheet.",
            "characteristics": {
                "substance": "material",
                "origin": "natural",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured",
                "consumed or used up"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: Quaterna, vellum.",
                "2 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 80 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 parchment, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "matter you can touch",
            "physicalCharacter": [
                "Mobility varies between examples.",
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "observe it, measure it, record its state",
                "use it up, and then need more of it"
            ],
            "howItIsRecognised": [
                "Not recognisable by sight in any reliable way. Appearance varies with grade, form and additives; identification is by label, by documentation, or by assay."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "Quaterna",
                        "vellum"
                    ]
                }
            ],
            "standing": "Described in 80 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 2 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one parchment from another, and a parchment 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 parchment, 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 parchment, 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 parchment 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 parchment, 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 parchment, 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 parchment 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 parchment 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 parchment, 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 parchment, 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 parchment 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 parchment from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a parchment, 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 parchment, 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 parchment 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 parchment 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 parchment, 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 parchment, 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 parchment 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 parchment is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a parchment, 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 parchment, 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 parchment 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 parchment is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a parchment, 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 parchment, 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 parchment 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 parchment 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 parchment is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a parchment, 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 parchment, 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 parchment 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 parchment 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 parchment, 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 parchment, 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 parchment 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 parchment 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 parchment between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a parchment, 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 parchment, 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 parchment 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 parchment, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a parchment 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 parchment, 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 parchment, 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 parchment 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 parchment 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 parchment is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a parchment performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a parchment, 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 parchment, 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 parchment 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 parchment.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a parchment at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a parchment, 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 parchment, 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 parchment 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 parchment there is and how fast it goes.",
                                        "questions": [
                                            {
                                                "id": "consumption-and-stock-q01",
                                                "text": "What identifies and describes the supply of a parchment, 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 parchment, 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 parchment 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 parchment 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 parchment 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 parchment 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 parchment 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 parchment, 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 parchment 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 parchment 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 parchment 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 parchment, 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 parchment 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 parchment and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a parchment, 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 parchment, 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 parchment 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 parchment is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a parchment, 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 parchment, 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 parchment 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
            }
        }
    }
}