{
    "model": {
        "rank": 1965,
        "code": "thing-q37507",
        "model_id": "vr.tr.match",
        "name": "match",
        "purpose": "Enable an AI agent to recognise an ignition match, assess its condition and suitability, and determine whether it may be stored, struck, extinguished or discarded.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q37507/",
        "tier": 2,
        "score": 120,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "lucifer match",
                "stormproof match"
            ],
            "aliasCount": 2,
            "merged": 2,
            "knownIn": 120,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.match-cognition",
            "source": {
                "dataset": "wikidata",
                "item": "Q37507",
                "url": "https://www.wikidata.org/wiki/Q37507",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T09:10:56Z",
                "providers": [
                    "Codex"
                ],
                "missingProviders": [
                    "Grok"
                ],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": null,
                        "turns": null,
                        "seconds": 11.2,
                        "error": "Error: Internal error: {\n  \"message\": \"API error (status 402 Payment Required): Grok Build usage balance exhausted\",\n  \"http_status\": 402\n}",
                        "retried": true
                    },
                    "codex": {
                        "seconds": 83.1,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07b21-4786-7c83-afe7-aa0f37f301bf\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: match\nRegistry id: vr.tr.match\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Vercy model"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q37507",
                "registryId": "vr.tr.match",
                "name": "match",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q37507/",
            "model": {
                "registry_id": "vr.tr.match",
                "name": "match",
                "purpose": "Enable an AI agent to recognise an ignition match, assess its condition and suitability, and determine whether it may be stored, struck, extinguished or discarded.",
                "definition": "",
                "scope_statement": "This draft provisionally interprets vr.tr.match as an individual consumable ignition match and owns its physical identity, ignition requirements, usable condition, burning state and remaining residue; the registry meaning still requires confirmation.",
                "in_scope": [
                    "An individual match, including its head and supporting stem or strip",
                    "Match type and its required striking interface",
                    "Physical integrity, moisture exposure and evidence of prior use",
                    "Ignition, flame transfer, extinction and residual heat",
                    "Item-specific handling constraints and disposition"
                ],
                "out_of_scope": [
                    "Matchboxes, matchbooks and their collective inventory or packaging design",
                    "Striker surfaces as independently maintained objects",
                    "Lighters, fire steels and other ignition devices",
                    "The object or fuel being lit and the resulting larger fire",
                    "Manufacture of match compositions",
                    "Sporting matches, paired correspondences and computational matching"
                ],
                "distinguishing_features": [
                    "Look for a consumable stem or strip carrying a distinct ignition head, rather than identifying every small combustible stick as a match.",
                    "Establish that its intended function is to initiate a small flame for transfer, rather than to sustain illumination or provide a decorative effect.",
                    "Check whether ignition is intended to occur through a specified striking interaction, distinguishing it from a wick supplied by a fuel reservoir.",
                    "Distinguish one match from a matchbook or box containing several; record attachment to a book without treating the whole book as one match.",
                    "Use packaging, markings or documented provenance to distinguish match types when appearance alone is inconclusive."
                ],
                "characteristics": [
                    {
                        "name": "Match type",
                        "kind": "category",
                        "unit_or_values": "Safety; strike-anywhere; specialty type as documented; unknown",
                        "why_it_matters": "Determines which ignition requirements need to be established."
                    },
                    {
                        "name": "Stem construction",
                        "kind": "category",
                        "unit_or_values": "Wood; paper or card; other documented construction; unknown",
                        "why_it_matters": "Helps identify the match and assess how damage affects handling."
                    },
                    {
                        "name": "Overall length",
                        "kind": "measurement",
                        "unit_or_values": "mm",
                        "why_it_matters": "Helps assess whether the available grip and reach suit the intended use."
                    },
                    {
                        "name": "Head integrity",
                        "kind": "state",
                        "unit_or_values": "Apparently intact; chipped; partly missing; absent; indeterminate",
                        "why_it_matters": "Separates visible damage from an unsupported assumption that the match remains usable."
                    },
                    {
                        "name": "Stem integrity",
                        "kind": "state",
                        "unit_or_values": "Intact; bent; split; broken; indeterminate",
                        "why_it_matters": "Affects whether the match can be held and struck in a controlled way."
                    },
                    {
                        "name": "Moisture condition",
                        "kind": "state",
                        "unit_or_values": "Apparently dry; damp; wet; previously wetted; unknown",
                        "why_it_matters": "Records exposure relevant to usability without assuming that a dry appearance proves recovery."
                    },
                    {
                        "name": "Compatible striking interface",
                        "kind": "relation",
                        "unit_or_values": "Link to a documented compatible striker or surface requirement; unverified; unknown",
                        "why_it_matters": "Prevents treating an arbitrary rough surface as suitable."
                    },
                    {
                        "name": "Use and combustion state",
                        "kind": "state",
                        "unit_or_values": "Apparently unused; struck without sustained flame; flaming; glowing; extinguished with heat unresolved; cooled residue; unknown",
                        "why_it_matters": "Distinguishes readiness, failed use and conditions that still require attention."
                    },
                    {
                        "name": "Source package",
                        "kind": "relation",
                        "unit_or_values": "Link to originating box, book or product record; unknown",
                        "why_it_matters": "Preserves access to type identification, instructions and exposure history."
                    }
                ],
                "affordances": [
                    "Identify and classify a match using its form and available product evidence.",
                    "Inspect the head and stem for damage, moisture exposure and prior use.",
                    "Associate the match with its documented striking requirements.",
                    "Assess whether striking and flame transfer are permitted and suitable in the current setting.",
                    "Track an authorised ignition attempt through burning and extinction.",
                    "Determine whether the remaining item should be retained, set aside or discarded under applicable instructions."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "match-identity",
                        "name": "Match identity",
                        "description": "Establishes that the item is an ignition match and identifies the individual being assessed.",
                        "rationale": "The registry name is ambiguous, and an individual match must be distinguished from both other ignition devices and its packaging.",
                        "layers": [
                            {
                                "id": "ignition-match-recognition",
                                "name": "Ignition-match recognition",
                                "description": "Connects observable construction to evidence of intended ignition use.",
                                "findings": [
                                    {
                                        "id": "headed-consumable-form",
                                        "name": "Headed consumable form",
                                        "description": "Record the observed head and supporting stem or strip, together with evidence that the item is intended for striking ignition.",
                                        "questions": [
                                            {
                                                "text": "What observed features and product evidence support identifying this item as an ignition match?",
                                                "kind": "definition",
                                                "id": "headed-consumable-form-q01"
                                            },
                                            {
                                                "text": "Could this instead be a taper, splint or another small combustible item?",
                                                "kind": "boundary",
                                                "id": "headed-consumable-form-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "individual-and-origin",
                                "name": "Individual and origin",
                                "description": "Separates the match from the box or book that supplies its context.",
                                "findings": [
                                    {
                                        "id": "match-unit-and-package-link",
                                        "name": "Match unit and package link",
                                        "description": "Record which physical match is under assessment, whether it remains attached to a book and which source package is known.",
                                        "questions": [
                                            {
                                                "text": "Is the assessed unit one loose match or one identifiable strip still attached to a matchbook?",
                                                "kind": "boundary",
                                                "id": "match-unit-and-package-link-q01"
                                            },
                                            {
                                                "text": "Which package or product record establishes its origin and stated type?",
                                                "kind": "provenance",
                                                "id": "match-unit-and-package-link-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "striking-requirements",
                        "name": "Striking requirements",
                        "description": "Records the match's ignition class and the interface required for an appropriate striking attempt.",
                        "rationale": "A match's appearance does not by itself establish which surfaces or handling instructions apply.",
                        "layers": [
                            {
                                "id": "documented-match-type",
                                "name": "Documented match type",
                                "description": "Identifies the ignition category without guessing from head colour or shape.",
                                "findings": [
                                    {
                                        "id": "type-evidence",
                                        "name": "Type evidence",
                                        "description": "Record whether the match type is documented, tentatively identified or unknown.",
                                        "questions": [
                                            {
                                                "text": "What label or manufacturer instruction identifies the match as safety, strike-anywhere or a specialty type?",
                                                "kind": "provenance",
                                                "id": "type-evidence-q01"
                                            },
                                            {
                                                "text": "Which ignition requirements remain unresolved if the source package is missing?",
                                                "kind": "definition",
                                                "id": "type-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "striker-compatibility",
                                "name": "Striker compatibility",
                                "description": "Relates the individual match to an available, suitable striking interface.",
                                "findings": [
                                    {
                                        "id": "usable-striking-interface",
                                        "name": "Usable striking interface",
                                        "description": "Record compatibility evidence and any observed condition that prevents relying on the available striker.",
                                        "questions": [
                                            {
                                                "text": "What evidence establishes that the available striking interface is suitable for this match?",
                                                "kind": "provenance",
                                                "id": "usable-striking-interface-q01"
                                            },
                                            {
                                                "text": "Do missing instructions or an unsuitable striker require deferring the ignition attempt?",
                                                "kind": "action",
                                                "id": "usable-striking-interface-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "unspent-match-condition",
                        "name": "Unspent match condition",
                        "description": "Assesses the head, grip-bearing stem and relevant exposure before use.",
                        "rationale": "An apparently unused match may still have damage or exposure that makes its performance uncertain.",
                        "layers": [
                            {
                                "id": "head-and-stem-integrity",
                                "name": "Head and stem integrity",
                                "description": "Examines the parts needed to hold and strike the match.",
                                "findings": [
                                    {
                                        "id": "physical-readiness",
                                        "name": "Physical readiness",
                                        "description": "Record head loss, cracks, bending and the remaining usable stem without equating visual integrity with guaranteed ignition.",
                                        "questions": [
                                            {
                                                "text": "Is the head intact, and is the supporting stem split, bent or broken?",
                                                "kind": "measurement",
                                                "id": "physical-readiness-q01"
                                            },
                                            {
                                                "text": "Does the remaining stem provide an appropriate grip and reach for the intended use under its instructions?",
                                                "kind": "action",
                                                "id": "physical-readiness-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "moisture-and-surface-exposure",
                                "name": "Moisture and surface exposure",
                                "description": "Separates current appearance from known wetting or contamination history.",
                                "findings": [
                                    {
                                        "id": "exposure-related-uncertainty",
                                        "name": "Exposure-related uncertainty",
                                        "description": "Record observed dampness, foreign material and known exposure, preserving uncertainty about subsequent usability.",
                                        "questions": [
                                            {
                                                "text": "What current moisture or foreign material is visible on the head and stem?",
                                                "kind": "measurement",
                                                "id": "exposure-related-uncertainty-q01"
                                            },
                                            {
                                                "text": "Is prior wetting or contamination known, and what product guidance addresses continued use?",
                                                "kind": "provenance",
                                                "id": "exposure-related-uncertainty-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "ignition-and-flame-transfer",
                        "name": "Ignition and flame transfer",
                        "description": "Connects a permitted use to the observed outcome of striking and carrying the flame to its target.",
                        "rationale": "Successful use requires distinguishing an ignition attempt, sustained burning and ignition of the intended target.",
                        "layers": [
                            {
                                "id": "intended-lighting-task",
                                "name": "Intended lighting task",
                                "description": "Records what the match is intended to light and the conditions governing that action.",
                                "findings": [
                                    {
                                        "id": "permitted-flame-transfer",
                                        "name": "Permitted flame transfer",
                                        "description": "Link the target and setting to the decision to use this match, keeping the target's own properties in its neighbouring model.",
                                        "questions": [
                                            {
                                                "text": "What specific target is this match intended to ignite?",
                                                "kind": "boundary",
                                                "id": "permitted-flame-transfer-q01"
                                            },
                                            {
                                                "text": "Do the setting, applicable instructions and available grip permit a controlled striking and flame-transfer attempt?",
                                                "kind": "action",
                                                "id": "permitted-flame-transfer-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "attempt-and-burning-observation",
                                "name": "Attempt and burning observation",
                                "description": "Tracks what actually happened when the match was used.",
                                "findings": [
                                    {
                                        "id": "observed-ignition-outcome",
                                        "name": "Observed ignition outcome",
                                        "description": "Distinguish no sustained flame, a burning match, successful target ignition and an interrupted attempt.",
                                        "questions": [
                                            {
                                                "text": "Did the attempt produce no sustained flame, a brief flare or continuing flame on the match?",
                                                "kind": "measurement",
                                                "id": "observed-ignition-outcome-q01"
                                            },
                                            {
                                                "text": "Was flame transferred to the intended target, or must the attempt end with extinction of the match?",
                                                "kind": "action",
                                                "id": "observed-ignition-outcome-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "extinction-and-disposition",
                        "name": "Extinction and disposition",
                        "description": "Tracks residual burning and decides the next disposition of a used, failed or damaged match.",
                        "rationale": "Loss of visible flame and completion of the lighting task do not by themselves establish that the remaining match is ready for disposal.",
                        "layers": [
                            {
                                "id": "residual-combustion",
                                "name": "Residual combustion",
                                "description": "Separates visible extinction from unresolved glow or heat.",
                                "findings": [
                                    {
                                        "id": "extinction-evidence",
                                        "name": "Extinction evidence",
                                        "description": "Record observed flame, glow and available evidence of cooling, leaving unobserved conditions unknown.",
                                        "questions": [
                                            {
                                                "text": "Is flame or glow still observable on the head or charred stem?",
                                                "kind": "measurement",
                                                "id": "extinction-evidence-q01"
                                            },
                                            {
                                                "text": "What evidence supports treating the residue as cooled rather than merely without visible flame?",
                                                "kind": "measurement",
                                                "id": "extinction-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "remaining-item-disposition",
                                "name": "Remaining item disposition",
                                "description": "Determines what to do with the match after inspection or an ignition attempt.",
                                "findings": [
                                    {
                                        "id": "retain-set-aside-or-discard",
                                        "name": "Retain, set aside or discard",
                                        "description": "Record the chosen disposition and its basis in head condition, prior use, residual heat and relevant instructions.",
                                        "questions": [
                                            {
                                                "text": "Is the remaining item an unused match, a unsuccessfully struck match, a damaged match or spent residue?",
                                                "kind": "definition",
                                                "id": "retain-set-aside-or-discard-q01"
                                            },
                                            {
                                                "text": "What applicable instructions and observed condition support retaining, setting aside or discarding it?",
                                                "kind": "action",
                                                "id": "retain-set-aside-or-discard-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does vr.tr.match mean an ignition match, as provisionally assumed from PHY / PHY.OBJ, or another physical referent?",
                "Does an existing world model already own this concept, requiring a registry link instead of a separate publication?",
                "Which specialty match types belong within this entry, and which require additional ignition or extinction questions?",
                "What authoritative product evidence can establish striker compatibility and the treatment of wet, damaged or unsuccessfully struck matches?",
                "What observable criteria and applicable instructions should govern cooling confirmation and disposal in the intended deployment settings?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 10,
                "findings": 10,
                "questions": 20
            }
        },
        "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 match, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise an ignition match, assess its condition and suitability, and determine whether it may be stored, struck, extinguished or discarded.",
            "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: lucifer match, stormproof match.",
                "2 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 120 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 match, 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": [
                        "lucifer match",
                        "stormproof match"
                    ]
                }
            ],
            "standing": "Described in 120 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 2 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one match from another, and a match 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 match, 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 match, 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 match 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 match, 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 match, 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 match 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 match 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 match, 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 match, 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 match 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 match from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a match, 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 match, 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 match 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 match 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 match, 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 match, 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 match 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 match is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a match, 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 match, 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 match 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 match is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a match, 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 match, 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 match 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 match 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 match is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a match, 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 match, 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 match 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 match 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 match, 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 match, 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 match 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 match 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 match between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a match, 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 match, 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 match 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 match, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a match 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 match, 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 match, 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 match 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 match 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 match 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 match, 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 match 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 match 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 match 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 match 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 match 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 match, 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 match 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 match and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a match, 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 match, 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 match 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 match is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a match, 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 match, 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 match 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
            }
        }
    }
}