{
    "model": {
        "rank": 5168,
        "code": "thing-q189964",
        "model_id": "vr.tr.felt",
        "name": "felt",
        "purpose": "Enable an agent to recognise felt, assess its condition and suitability, and choose handling, fabrication and reuse actions appropriate to its fibre composition and consolidation.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q189964/",
        "tier": 2,
        "score": 69,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "chopped strand mat",
                "castor",
                "Wojłok"
            ],
            "aliasCount": 3,
            "merged": 3,
            "knownIn": 69,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.felt",
            "source": {
                "dataset": "wikidata",
                "item": "Q189964",
                "url": "https://www.wikidata.org/wiki/Q189964",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T21:48:39Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 18.6,
                        "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: 01a08824-2067-7cf2-9340-bfaf442dc50a\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: felt\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 005: 1001 registered",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 55.9,
                        "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: 01a08824-2075-7671-b6f3-6ef678e126ce\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: felt\nRegistry id: vr.tr.felt\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nContext for th"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q189964",
                "registryId": "vr.tr.felt",
                "name": "felt",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q189964/",
            "model": {
                "registry_id": "vr.tr.felt",
                "name": "felt",
                "purpose": "Enable an agent to recognise felt, assess its condition and suitability, and choose handling, fabrication and reuse actions appropriate to its fibre composition and consolidation.",
                "definition": "Felt is a textile material formed by consolidating fibres through matting and entanglement rather than weaving or knitting, commonly by wet felting animal fibres or mechanically needle-punching a fibre web.",
                "scope_statement": "This model owns felt as a fibrous material consolidated into a coherent structure without weaving or knitting, including wet-felted and needle-felted forms; it records material behaviour while leaving finished-product functions to neighbouring models.",
                "in_scope": [
                    "Fibre composition, blends and recoverable evidence of material provenance",
                    "Felting or consolidation route, including supplementary binders and finishes",
                    "Sheet, roll and shaped felt geometry and internal structure",
                    "Compression, surface integrity, moisture response and application-relevant performance",
                    "Condition, fabrication compatibility, care and recovery constraints"
                ],
                "out_of_scope": [
                    "The emotional or tactile verb sense of felt",
                    "Complete hats, pads, filters and other products made from felt",
                    "Felting machines, needles and manufacturing equipment",
                    "Woven and knitted textiles whose underlying structure remains their defining construction",
                    "Foams, leather and other nonfibrous sheet materials",
                    "Products called roofing felt whose classification requires a separate boundary decision"
                ],
                "distinguishing_features": [
                    "Inspect the material for a consolidated fibre network rather than an organised interlacing of yarns or knitted loops.",
                    "Distinguish felt from loose batting by establishing whether the fibres form a coherent body during handling; record the assessment method.",
                    "Distinguish wet-felted material from needle-felted material using production evidence and supporting structural observations rather than appearance alone.",
                    "Check cut edges, cross-sections and any backing to distinguish felt from pile fabric, flocked surfaces and felt-faced composites.",
                    "Require construction evidence when distinguishing felt from adjacent nonwoven categories; a trade name or soft surface alone is insufficient."
                ],
                "characteristics": [
                    {
                        "name": "Fibre composition",
                        "kind": "category",
                        "unit_or_values": "Fibre names and mass percentages where established; unknown fractions recorded",
                        "why_it_matters": "Composition informs consolidation behaviour, moisture response, care and recovery options."
                    },
                    {
                        "name": "Consolidation route",
                        "kind": "category",
                        "unit_or_values": "Wet-felted; needle-felted; combined route; other documented route; unknown",
                        "why_it_matters": "The route helps explain cohesion, surface texture and differences in material response."
                    },
                    {
                        "name": "Binder, finish and backing",
                        "kind": "category",
                        "unit_or_values": "Identified treatment or attached material, amount where known, and evidence status",
                        "why_it_matters": "Added materials can govern bonding, cleaning, exposure compatibility and recyclability."
                    },
                    {
                        "name": "Thickness under specified pressure",
                        "kind": "measurement",
                        "unit_or_values": "mm, with contact pressure in kPa and conditioning recorded",
                        "why_it_matters": "Compressibility makes an unqualified thickness value unreliable for fitting and comparison."
                    },
                    {
                        "name": "Areal mass",
                        "kind": "measurement",
                        "unit_or_values": "g/m² for sheet or roll material",
                        "why_it_matters": "Together with thickness, it helps compare how much fibre is packed into the material."
                    },
                    {
                        "name": "Compression and recovery",
                        "kind": "measurement",
                        "unit_or_values": "Thickness reduction and residual thickness loss in %, with load, dwell time and recovery interval",
                        "why_it_matters": "These measurements support decisions about padding, spacing and repeated loading."
                    },
                    {
                        "name": "Directional integrity",
                        "kind": "measurement",
                        "unit_or_values": "Breaking force in N at a stated specimen width and orientation, using a recorded method",
                        "why_it_matters": "A felt may behave differently across directions despite lacking woven yarns."
                    },
                    {
                        "name": "Moisture-related dimensional change",
                        "kind": "measurement",
                        "unit_or_values": "Length, width and thickness change in % after a specified exposure and drying procedure",
                        "why_it_matters": "Dimensional changes can invalidate a fit or alter the material's function."
                    },
                    {
                        "name": "Material condition",
                        "kind": "state",
                        "unit_or_values": "Observed matting, thinning, shedding, tearing, contamination, odour or biological damage; location and severity",
                        "why_it_matters": "Local damage and contamination can limit use even when nominal material specifications remain suitable."
                    }
                ],
                "affordances": [
                    "Compare felt grades against an application's thickness, compression, integrity and exposure requirements.",
                    "Select cutting, stitching, forming or bonding actions from composition and construction evidence.",
                    "Orient and size pieces using measured directional behaviour and dimensional stability.",
                    "Choose cleaning and drying procedures supported by treatment information or representative trials.",
                    "Inspect worn felt and decide whether to retain, replace, repurpose or route it for material recovery."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "felt-identity-and-construction",
                        "name": "Felt identity and construction",
                        "description": "Establish which material sense is present and how its fibres form a coherent body.",
                        "rationale": "The name felt spans constructions and trade usages that cannot safely be treated as equivalent.",
                        "layers": [
                            {
                                "id": "material-boundary",
                                "name": "Material boundary",
                                "description": "Separate felt from adjacent textile constructions and composite surfaces.",
                                "findings": [
                                    {
                                        "id": "construction-evidence",
                                        "name": "Construction evidence",
                                        "description": "Record evidence for a consolidated fibre network, including any yarn structure, substrate or distinct facing.",
                                        "questions": [
                                            {
                                                "text": "What observed construction supports identifying this material as felt?",
                                                "kind": "definition",
                                                "id": "construction-evidence-q01"
                                            },
                                            {
                                                "text": "Is the assessed body felt throughout, or a felt layer attached to a different substrate?",
                                                "kind": "boundary",
                                                "id": "construction-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "fibre-and-process-provenance",
                                "name": "Fibre and process provenance",
                                "description": "Identify constituent fibres and the documented means of consolidation.",
                                "findings": [
                                    {
                                        "id": "composition-and-consolidation",
                                        "name": "Composition and consolidation",
                                        "description": "Keep measured, supplier-declared and inferred composition and process information distinguishable.",
                                        "questions": [
                                            {
                                                "text": "Which fibres and blend proportions are established, and what evidence supports them?",
                                                "kind": "provenance",
                                                "id": "composition-and-consolidation-q01"
                                            },
                                            {
                                                "text": "Was the material wet-felted, needle-felted or consolidated by a documented combination of processes?",
                                                "kind": "provenance",
                                                "id": "composition-and-consolidation-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "felt-geometry-and-integrity",
                        "name": "Felt geometry and integrity",
                        "description": "Describe the material's dimensions, fibre packing and resistance to separation.",
                        "rationale": "Felt thickness depends on measurement pressure, while local and directional variation can affect usable performance.",
                        "layers": [
                            {
                                "id": "thickness-and-fibre-packing",
                                "name": "Thickness and fibre packing",
                                "description": "Relate conditioned dimensions and mass to variation across the material.",
                                "findings": [
                                    {
                                        "id": "conditioned-section-profile",
                                        "name": "Conditioned section profile",
                                        "description": "Record thickness under a stated pressure, areal mass where applicable and the locations sampled.",
                                        "questions": [
                                            {
                                                "text": "What thickness is measured under the stated contact pressure and conditioning?",
                                                "kind": "measurement",
                                                "id": "conditioned-section-profile-q01"
                                            },
                                            {
                                                "text": "How do thickness and areal mass vary across the usable piece or roll?",
                                                "kind": "measurement",
                                                "id": "conditioned-section-profile-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "cohesion-and-surface",
                                "name": "Cohesion and surface",
                                "description": "Assess fibre retention, edge behaviour and directional strength.",
                                "findings": [
                                    {
                                        "id": "fibre-network-integrity",
                                        "name": "Fibre network integrity",
                                        "description": "Record separation, shedding and surface wear under defined handling or test conditions.",
                                        "questions": [
                                            {
                                                "text": "How much fibre shedding or edge separation occurs under the intended cutting and handling conditions?",
                                                "kind": "measurement",
                                                "id": "fibre-network-integrity-q01"
                                            },
                                            {
                                                "text": "Does resistance to pulling or tearing differ between sampled orientations?",
                                                "kind": "measurement",
                                                "id": "fibre-network-integrity-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "felt-response-in-use",
                        "name": "Felt response in use",
                        "description": "Connect compression and exposure behaviour to a proposed material use.",
                        "rationale": "A felt's appearance does not establish its cushioning, dimensional stability or suitability for an exposure.",
                        "layers": [
                            {
                                "id": "compression-and-recovery",
                                "name": "Compression and recovery",
                                "description": "Characterise deformation during loading and recovery after unloading.",
                                "findings": [
                                    {
                                        "id": "load-dependent-thickness",
                                        "name": "Load-dependent thickness",
                                        "description": "Associate compression and residual deformation with load, time, cycling and conditioning.",
                                        "questions": [
                                            {
                                                "text": "How much does thickness decrease under the proposed load and dwell time?",
                                                "kind": "measurement",
                                                "id": "load-dependent-thickness-q01"
                                            },
                                            {
                                                "text": "How much thickness returns after unloading, and does repeated cycling change that recovery?",
                                                "kind": "measurement",
                                                "id": "load-dependent-thickness-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "moisture-and-exposure",
                                "name": "Moisture and exposure",
                                "description": "Assess changes caused by relevant wetting, drying, heat and chemical contact.",
                                "findings": [
                                    {
                                        "id": "exposure-conditioned-suitability",
                                        "name": "Exposure-conditioned suitability",
                                        "description": "Tie suitability decisions to evidence for the actual fibre blend, treatments and exposure conditions.",
                                        "questions": [
                                            {
                                                "text": "What dimensional or cohesion changes follow the expected wetting, agitation and drying cycle?",
                                                "kind": "measurement",
                                                "id": "exposure-conditioned-suitability-q01"
                                            },
                                            {
                                                "text": "What evidence supports use of this particular felt under the intended temperature or chemical exposure?",
                                                "kind": "action",
                                                "id": "exposure-conditioned-suitability-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "felt-fabrication-and-service-life",
                        "name": "Felt fabrication and service life",
                        "description": "Guide conversion, care and end-of-use decisions for the identified felt.",
                        "rationale": "Fibre composition, finishes and accumulated wear constrain how felt can be joined, maintained and recovered.",
                        "layers": [
                            {
                                "id": "cutting-forming-and-joining",
                                "name": "Cutting, forming and joining",
                                "description": "Determine whether proposed fabrication preserves dimensions and fibre integrity.",
                                "findings": [
                                    {
                                        "id": "fabrication-compatibility",
                                        "name": "Fabrication compatibility",
                                        "description": "Record representative trial results for the intended cut, shape or joint.",
                                        "questions": [
                                            {
                                                "text": "Which cutting or forming trial preserves the required edge quality, thickness and dimensions?",
                                                "kind": "action",
                                                "id": "fabrication-compatibility-q01"
                                            },
                                            {
                                                "text": "Does the proposed stitched or bonded joint resist pull-through, separation and unacceptable local stiffening?",
                                                "kind": "measurement",
                                                "id": "fabrication-compatibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "care-wear-and-recovery",
                                "name": "Care, wear and recovery",
                                "description": "Assess current damage and select supported maintenance or recovery actions.",
                                "findings": [
                                    {
                                        "id": "remaining-material-usability",
                                        "name": "Remaining material usability",
                                        "description": "Relate wear, contamination and treatment history to continued use and available recovery routes.",
                                        "questions": [
                                            {
                                                "text": "Can a supported cleaning procedure remove the contamination without unacceptable shrinkage, shedding or finish loss?",
                                                "kind": "action",
                                                "id": "remaining-material-usability-q01"
                                            },
                                            {
                                                "text": "Given its wear, fibre blend, binders and attached materials, should this felt remain in use, be repurposed or enter an identified recovery route?",
                                                "kind": "action",
                                                "id": "remaining-material-usability-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 sense covered is the textile material, not the past tense of feel or a particular felt article.",
                                            "Thickness is illustrative of craft sheets only; industrial felt has widely varying thickness, density and composition.",
                                            "Terminology around felt, bonded nonwovens and fulled fabrics varies; application-specific standards and performance requirements need verification."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of felt 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": [
                                            "Wet-felted wool felt",
                                            "Needle-punched wool felt",
                                            "Needle-punched synthetic felt",
                                            "Fur felt",
                                            "Blended-fibre felt"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of felt this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "scheme": "Harmonized System (HS)",
                                                "value_or_pattern": "5602",
                                                "note": "Customs heading for felt, whether or not impregnated, coated, covered or laminated; classification of finished felt articles may differ."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of felt 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": [
                                            "Hats, footwear, craft work and decorative textiles",
                                            "Industrial seals, gaskets, wipers and lubricant-retaining pads",
                                            "Sound absorption and vibration damping",
                                            "Furniture pads and protective packaging",
                                            "Piano hammer coverings"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of felt this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "quantity": "Thickness of common craft felt sheets",
                                                "typical_range": "Approximately 1-5",
                                                "unit": "mm"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of felt 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": [
                                            "Abrasion can cause pilling, fibre shedding and loss of thickness.",
                                            "Repeated loading can cause permanent compression and loss of cushioning or sealing performance.",
                                            "Wool felt can shrink or distort under unsuitable washing and agitation.",
                                            "Wool and fur felt can suffer damage from clothes moth or carpet beetle larvae.",
                                            "Fire behaviour depends on fibre composition and treatments; synthetic felt may melt, and burning material can produce hazardous smoke."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of felt 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": [
                                            "Central Asian traditions use wool felt extensively in portable dwellings, rugs and clothing."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of felt 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": "Nonwoven textile",
                                                "difference": "Nonwoven textile is the broader category; many nonwovens are bonded without the fibre entanglement characteristic of felt."
                                            },
                                            {
                                                "name": "Woven cloth",
                                                "difference": "Woven cloth has interlaced warp and weft yarns; felt does not require a woven yarn structure."
                                            },
                                            {
                                                "name": "Fulled wool cloth",
                                                "difference": "Fulled cloth begins as woven or knitted fabric that is subsequently consolidated; felt can be made directly from loose fibres."
                                            },
                                            {
                                                "name": "Roofing felt",
                                                "difference": "Roofing felt names a roofing underlay or membrane product, often containing bitumen; the trade name alone does not establish that it is textile felt."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of felt this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Which authoritative textile definitions should establish this registry entry's boundary with fulled woven cloth, bonded nonwovens and products marketed as roofing felt?",
                "Which test methods and conditioning procedures should be adopted for comparable thickness, compression recovery, shedding and directional integrity records?",
                "Which fibre blends, consolidation routes and treatments require distinct handling rules within this single model?",
                "Which application-specific measurements, such as permeability, acoustic absorption or thermal behaviour, warrant optional layers once actual use cases are established?",
                "What evidence and acceptance criteria should support reuse or recovery decisions for contaminated, blended or adhesive-backed felt?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 16,
                "questions": 24
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "device, machine or tool",
            "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 felt, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an agent to recognise felt, assess its condition and suitability, and choose handling, fabrication and reuse actions appropriate to its fibre composition and consolidation.",
            "characteristics": {
                "substance": "material",
                "origin": "manufactured",
                "agency": "inert",
                "mobility": "varies"
            },
            "whatYouCanDoWithIt": [
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: chopped strand mat, castor, Wojłok.",
                "3 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 69 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 felt, 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"
            ],
            "howItIsRecognised": [
                "Recognised by form, by the arrangement of its controls, and by markings - a plate, a model number, a certification mark. Form alone rarely separates two models that do very different things."
            ],
            "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": [
                        "chopped strand mat",
                        "castor",
                        "Wojłok"
                    ]
                }
            ],
            "standing": "Described in 69 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 3 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 felt from another, and a felt 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 felt, 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 felt, 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 felt 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 felt, 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 felt, 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 felt 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 felt 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 felt, 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 felt, 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 felt 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 felt from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a felt, 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 felt, 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 felt 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 felt 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 felt, 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 felt, 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 felt 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 felt is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a felt, 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 felt, 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 felt 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 felt is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a felt, 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 felt, 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 felt 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 felt 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 felt is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a felt, 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 felt, 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 felt 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 felt 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 felt, 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 felt, 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 felt 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 felt 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 felt between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a felt, 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 felt, 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 felt 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 felt, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a felt 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 felt, 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 felt, 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 felt is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "function-and-principle",
                        "name": "Function and operating principle",
                        "description": "What felt is for and how it achieves it.",
                        "rationale": "Two devices with the same name can work on different principles, and the principle is what predicts failure and constrains use.",
                        "layers": [
                            {
                                "id": "intended-function",
                                "name": "Intended function",
                                "description": "The job it does, and the jobs it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-record",
                                        "name": "Function, principle and variants",
                                        "description": "What it does, how, and which variants do it differently.",
                                        "questions": [
                                            {
                                                "id": "function-record-q01",
                                                "text": "What function does felt perform, on what operating principle, and which variants differ in that principle?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "function-record-q02",
                                                "text": "What use falls outside the intended function but happens in practice?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "capacity-and-rating",
                                "name": "Capacity and rating",
                                "description": "The numbers that say what it can do and where it stops.",
                                "findings": [
                                    {
                                        "id": "ratings",
                                        "name": "Ratings and their conditions",
                                        "description": "Rated capacity, power, throughput and the conditions each assumes.",
                                        "questions": [
                                            {
                                                "id": "ratings-q01",
                                                "text": "What ratings characterise felt, in what units, and under what stated conditions?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "ratings-q02",
                                                "text": "What happens beyond the rating - degradation, refusal, damage - and how is that detected?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "operation-and-state",
                        "name": "Operation, controls and state",
                        "description": "How felt is operated and what state it is in right now.",
                        "rationale": "An agent acting on a device needs its current state and the controls that change it, not just its specification.",
                        "layers": [
                            {
                                "id": "controls-and-modes",
                                "name": "Controls and modes",
                                "description": "What can be set, what that changes, and what is interlocked.",
                                "findings": [
                                    {
                                        "id": "control-surface",
                                        "name": "Control surface and interlocks",
                                        "description": "The settings available and the conditions that block them.",
                                        "questions": [
                                            {
                                                "id": "control-surface-q01",
                                                "text": "What controls and modes does felt have, and what does each change?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "control-surface-q02",
                                                "text": "Which actions are interlocked or forbidden in which state, and what must be true before acting?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "condition-and-maintenance",
                                "name": "Condition and maintenance",
                                "description": "Wear, service intervals, consumables and the line between working and broken.",
                                "findings": [
                                    {
                                        "id": "service-record",
                                        "name": "Condition, service and consumables",
                                        "description": "What is consumed, what is serviced, and how condition is judged.",
                                        "questions": [
                                            {
                                                "id": "service-record-q01",
                                                "text": "What consumables and service does felt need, at what interval, and on whose authority?",
                                                "kind": "measurement"
                                            },
                                            {
                                                "id": "service-record-q02",
                                                "text": "What evidence separates a unit that is working from one that is out of service?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "kind-model-unit",
                        "name": "Kind, model and unit",
                        "description": "Whether a claim about felt is about the kind, a product line, or one physical unit.",
                        "rationale": "This is the boundary most often got wrong for made things, and getting it wrong mixes a catalogue entry with the machine in the yard.",
                        "layers": [
                            {
                                "id": "level-of-reference",
                                "name": "Level of reference",
                                "description": "The three levels and what belongs at each.",
                                "findings": [
                                    {
                                        "id": "level-rules",
                                        "name": "What belongs to kind, model and unit",
                                        "description": "Which properties are shared by all of them and which are not.",
                                        "questions": [
                                            {
                                                "id": "level-rules-q01",
                                                "text": "Which facts about felt hold for every one of them, which for a model, and which only for one unit?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "level-rules-q02",
                                                "text": "What identifies an individual unit, and what should an agent do when it has only the kind?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "standards-and-conformity",
                                "name": "Standards and conformity",
                                "description": "The standards a working example must meet and who attests it.",
                                "findings": [
                                    {
                                        "id": "conformity",
                                        "name": "Standards, marks and attestation",
                                        "description": "Which standard applies, who certifies, and what the mark means.",
                                        "questions": [
                                            {
                                                "id": "conformity-q01",
                                                "text": "Which standards govern felt, issued by whom, and what does conformity actually assert?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "conformity-q02",
                                                "text": "What may an agent conclude from a certification mark, and what may it not?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a felt 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 felt and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a felt, 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 felt, 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 felt 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 felt is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a felt, 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 felt, 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 felt is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 8,
                "layers": 17,
                "findings": 19,
                "questions": 51
            }
        }
    }
}