{
    "model": {
        "rank": 6343,
        "code": "thing-q200403",
        "model_id": "vr.tr.seat-belt",
        "name": "seat belt",
        "purpose": "Enable an AI agent to recognise a seat belt, record its installation and condition, and determine whether use, adjustment, inspection or replacement is appropriate from available evidence.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q200403/",
        "tier": 2,
        "score": 61,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "seat belt airbag",
                "car seatbelt",
                "five-point harness"
            ],
            "aliasCount": 3,
            "merged": 3,
            "knownIn": 61,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q200403",
                "url": "https://www.wikidata.org/wiki/Q200403",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-07T13:57:46Z",
                "providers": [
                    "Codex",
                    "Grok"
                ],
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "usd": 0.01325184,
                        "turns": 1,
                        "seconds": 165.3,
                        "error": null
                    },
                    "codex": {
                        "seconds": 73.1,
                        "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: 01a07c23-e7f3-7322-814d-d15c43e1359d\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: seat belt\nRegistry id: vr.tr.seat-belt\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA Ver"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q200403",
                "registryId": "vr.tr.seat-belt",
                "name": "seat belt",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q200403/",
            "model": {
                "registry_id": "vr.tr.seat-belt",
                "name": "seat belt",
                "purpose": "Enable an AI agent to recognise a seat belt, record its installation and condition, and determine whether use, adjustment, inspection or replacement is appropriate from available evidence.",
                "definition": "A seat belt is a load-bearing occupant-restraint assembly of webbing, buckle, retractor and structural anchorages that couples a seated person to a vehicle or machine so crash or upset deceleration is taken through the pelvis and, in three-point and multi-point designs, the shoulder girdle, rather than by unrestrained impact with the interior.",
                "scope_statement": "This model owns an individual seat-belt restraint assembly, its components, attachment and occupant interfaces, operating states, condition evidence and supported actions; it records dependencies on the seat, vehicle and occupant without owning their models.",
                "in_scope": [
                    "Belt configuration and the seating position it serves",
                    "Webbing, latch plate, buckle, adjusters and any retractors or integrated restraint devices",
                    "Attachment interfaces, routing and installation compatibility",
                    "Fastening, adjustment, payout, retraction and locking states where applicable",
                    "Observable damage, event history and evidence supporting serviceability",
                    "Applicable instructions and constraints on use, maintenance and replacement"
                ],
                "out_of_scope": [
                    "The vehicle's overall crashworthiness and complete occupant-protection system",
                    "Seat structure and vehicle-body anchorage engineering beyond the belt's attachment requirements",
                    "Occupant anatomy, medical condition and injury assessment",
                    "Child restraint assemblies and their internal harnesses",
                    "Airbag assemblies and vehicle restraint-control electronics",
                    "Cargo tie-downs, fall-arrest harnesses and mobility positioning straps"
                ],
                "distinguishing_features": [
                    "Its documented function is restraining an occupant at a seating position during vehicle motion or an impact, rather than securing cargo or arresting a fall.",
                    "Its restraint path connects occupant-contacting straps through a fastening arrangement to designated seat or vehicle attachment interfaces.",
                    "A retractor is not required for identification: a manually adjusted lap belt can still meet the functional and installation tests.",
                    "Webbing, a buckle or a retractor alone is a component; the record must distinguish a complete seat-belt assembly from a detached part.",
                    "For ambiguous harnesses or positioning straps, intended use and installation documentation determine classification rather than appearance alone."
                ],
                "characteristics": [
                    {
                        "name": "Assembly identity",
                        "kind": "category",
                        "unit_or_values": "Manufacturer, part number, variant and identifying label information; unknown permitted",
                        "why_it_matters": "Connects the physical assembly to compatibility information, instructions and notices."
                    },
                    {
                        "name": "Restraint configuration",
                        "kind": "category",
                        "unit_or_values": "Lap-only, diagonal-only, combined lap-and-diagonal, multipoint or unresolved",
                        "why_it_matters": "Identifies the intended restraint path and the components that should be present."
                    },
                    {
                        "name": "Served seating position",
                        "kind": "relation",
                        "unit_or_values": "Link to vehicle and seat position, including orientation where known",
                        "why_it_matters": "Prevents treating similar-looking assemblies as interchangeable across positions."
                    },
                    {
                        "name": "Installed component set",
                        "kind": "relation",
                        "unit_or_values": "Linked webbing, latch plate, buckle, adjusters, retractors and other fitted devices",
                        "why_it_matters": "Supports completeness checks and identifies which component an observation concerns."
                    },
                    {
                        "name": "Usable adjustment range",
                        "kind": "measurement",
                        "unit_or_values": "Millimetres of available length or travel, with configuration and measurement method",
                        "why_it_matters": "Records whether the assembly can achieve its documented routing and adjustment."
                    },
                    {
                        "name": "Fastening state",
                        "kind": "state",
                        "unit_or_values": "Unfastened, apparently latched, engagement verified by applicable procedure, release fault or unknown",
                        "why_it_matters": "Separates visible insertion or a sensor indication from evidence of mechanical engagement."
                    },
                    {
                        "name": "Webbing movement state",
                        "kind": "state",
                        "unit_or_values": "Payout, retraction and locking observations recorded separately; not fitted and untested permitted",
                        "why_it_matters": "Avoids interpreting every refusal to extend as damage or every free movement as correct operation."
                    },
                    {
                        "name": "Routing and fit state",
                        "kind": "state",
                        "unit_or_values": "Observed route, twist or obstruction locations, adjustment and fit assessment against applicable instructions",
                        "why_it_matters": "A complete, fastened assembly may still be routed or adjusted incorrectly."
                    },
                    {
                        "name": "Condition observations",
                        "kind": "state",
                        "unit_or_values": "Component-specific damage, contamination, wear and alteration observations, with date and evidence",
                        "why_it_matters": "Preserves the basis for inspection or replacement decisions without reducing condition to appearance."
                    },
                    {
                        "name": "Event and service history",
                        "kind": "relation",
                        "unit_or_values": "Links to collision, restraint activation, installation, inspection and maintenance records",
                        "why_it_matters": "Relevant history may affect permitted actions even when visible damage is absent."
                    },
                    {
                        "name": "Serviceability determination",
                        "kind": "state",
                        "unit_or_values": "Undetermined, awaiting inspection, accepted under identified criteria or rejected under identified criteria",
                        "why_it_matters": "Keeps a decision tied to its evidence, authority and applicable configuration."
                    }
                ],
                "affordances": [
                    "Identify the assembly and check its documented compatibility with a seating position.",
                    "Record fastening, release and adjustment observations using applicable instructions.",
                    "Assess routing and fit for a specified occupant and seating configuration.",
                    "Document component condition and request an appropriate inspection when evidence is incomplete.",
                    "Determine whether continued use is supported by recorded criteria and history.",
                    "Identify the required replacement assembly and installation procedure when replacement is indicated."
                ]
            },
            "sources": [
                {
                    "id": "fmvss-209",
                    "title": "Federal Motor Vehicle Safety Standard No. 209, Seat Belt Assemblies (49 CFR 571.209), National Highway Traffic Safety Administration",
                    "url": "https://www.ecfr.gov/current/title-49/section-571.209",
                    "what_it_supports": "Type 1 vs Type 2 assemblies, webbing width, loop-load and hardware performance used for kinds, identifiers and measurements",
                    "url_status": "live"
                },
                {
                    "id": "fmvss-208",
                    "title": "Federal Motor Vehicle Safety Standard No. 208, Occupant Crash Protection (49 CFR 571.208), National Highway Traffic Safety Administration",
                    "url": "https://www.ecfr.gov/current/title-49/section-571.208",
                    "what_it_supports": "When belts must be fitted, crash-protection role relative to airbags, and the U.S. automatic-belt chapter",
                    "url_status": "live"
                },
                {
                    "id": "unece-r16",
                    "title": "UN Regulation No. 16, Uniform provisions concerning the approval of safety-belts, restraint systems, child restraint systems and ISOFIX child restraint systems, United Nations Economic Commission for Europe (WP.29)",
                    "url": "",
                    "what_it_supports": "European type-approval of belts, ELR locking behaviour, and the E-mark identifier"
                },
                {
                    "id": "iso-6683",
                    "title": "ISO 6683, Earth-moving machinery - Seat belts and seat belt anchorages, International Organization for Standardization",
                    "url": "",
                    "what_it_supports": "Operator belts on construction machinery as a distinct kind and regulatory track"
                }
            ],
            "structure": {
                "bundles": [
                    {
                        "id": "restraint-identity-and-boundary",
                        "name": "Restraint identity and boundary",
                        "description": "Establishes what seat belt is being represented and where its assembly boundary lies.",
                        "rationale": "Appearance alone cannot establish intended restraint use, assembly completeness or interchangeability.",
                        "layers": [
                            {
                                "id": "intended-restraint-role",
                                "name": "Intended restraint role",
                                "description": "Distinguishes a seat belt from similar straps and harnesses.",
                                "findings": [
                                    {
                                        "id": "seat-occupant-restraint-identity",
                                        "name": "Seat-occupant restraint identity",
                                        "description": "Record evidence that the item is intended to restrain an occupant at a vehicle seating position.",
                                        "questions": [
                                            {
                                                "text": "What intended use identifies this item as a seat belt rather than a cargo restraint, fall-arrest harness or positioning strap?",
                                                "kind": "definition",
                                                "id": "seat-occupant-restraint-identity-q01"
                                            },
                                            {
                                                "text": "Which label, manufacturer document or installation record supports that identification?",
                                                "kind": "provenance",
                                                "id": "seat-occupant-restraint-identity-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "assembly-membership",
                                "name": "Assembly membership",
                                "description": "Defines the represented assembly and its constituent restraint components.",
                                "findings": [
                                    {
                                        "id": "component-and-variant-boundary",
                                        "name": "Component and variant boundary",
                                        "description": "Record the belt configuration, identifying variant and components included in this assembly record.",
                                        "questions": [
                                            {
                                                "text": "Which webbing sections, latch plates, buckles, adjusters and fitted devices belong to this assembly?",
                                                "kind": "boundary",
                                                "id": "component-and-variant-boundary-q01"
                                            },
                                            {
                                                "text": "Does the record represent a complete restraint assembly, a replacement subassembly or an unidentified collection of parts?",
                                                "kind": "definition",
                                                "id": "component-and-variant-boundary-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "installation-and-attachment",
                        "name": "Installation and attachment",
                        "description": "Records the seating position, mounting interfaces and installed restraint path.",
                        "rationale": "A seat belt's suitability depends on its specific installation, including matched components and attachment geometry.",
                        "layers": [
                            {
                                "id": "seating-position-compatibility",
                                "name": "Seating-position compatibility",
                                "description": "Links the assembly to the position and configuration for which it is intended.",
                                "findings": [
                                    {
                                        "id": "documented-installation-match",
                                        "name": "Documented installation match",
                                        "description": "Record the evidence matching the belt variant and mating components to the installed seating position.",
                                        "questions": [
                                            {
                                                "text": "For which vehicle, seating position and seat configuration is this belt variant documented as suitable?",
                                                "kind": "boundary",
                                                "id": "documented-installation-match-q01"
                                            },
                                            {
                                                "text": "What evidence confirms that the installed buckle and latch plate are the specified mating components?",
                                                "kind": "provenance",
                                                "id": "documented-installation-match-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "mounting-and-belt-path",
                                "name": "Mounting and belt path",
                                "description": "Captures attachment interfaces and routing through guides or adjusters.",
                                "findings": [
                                    {
                                        "id": "installed-path-and-attachment-evidence",
                                        "name": "Installed path and attachment evidence",
                                        "description": "Record where the assembly attaches, how webbing is routed and which installation checks have supporting evidence.",
                                        "questions": [
                                            {
                                                "text": "Where are the belt's attachment interfaces, guides and adjustable mounting points relative to its seating position?",
                                                "kind": "boundary",
                                                "id": "installed-path-and-attachment-evidence-q01"
                                            },
                                            {
                                                "text": "Which applicable installation checks have been completed, by whom and against which instructions?",
                                                "kind": "provenance",
                                                "id": "installed-path-and-attachment-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "occupant-routing-and-fastening",
                        "name": "Occupant routing and fastening",
                        "description": "Represents the belt's current interaction with an occupant and its fastening mechanism.",
                        "rationale": "Occupancy, latch indication and suitable restraint fit are separate observations that must not be conflated.",
                        "layers": [
                            {
                                "id": "occupant-belt-fit",
                                "name": "Occupant belt fit",
                                "description": "Records the observed restraint route and adjustment for a particular use configuration.",
                                "findings": [
                                    {
                                        "id": "routing-and-adjustment-observation",
                                        "name": "Routing and adjustment observation",
                                        "description": "Record webbing placement, twists, obstructions and available adjustment against the applicable fit guidance.",
                                        "questions": [
                                            {
                                                "text": "How is the webbing routed across the occupant and through any guides, and where are twists, slack or obstructions observed?",
                                                "kind": "measurement",
                                                "id": "routing-and-adjustment-observation-q01"
                                            },
                                            {
                                                "text": "Which adjustments are permitted by the instructions for this occupant and seating configuration?",
                                                "kind": "action",
                                                "id": "routing-and-adjustment-observation-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "latch-and-release",
                                "name": "Latch and release",
                                "description": "Separates mechanical fastening observations from electrical indications.",
                                "findings": [
                                    {
                                        "id": "engagement-and-release-evidence",
                                        "name": "Engagement and release evidence",
                                        "description": "Record latch engagement, release operation and any buckle-status indication with their verification methods.",
                                        "questions": [
                                            {
                                                "text": "What evidence establishes the current mechanical engagement state, and is a buckle sensor indication recorded separately?",
                                                "kind": "measurement",
                                                "id": "engagement-and-release-evidence-q01"
                                            },
                                            {
                                                "text": "Does the buckle release as specified under the applicable checking procedure, or is its operation untested or faulty?",
                                                "kind": "measurement",
                                                "id": "engagement-and-release-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "webbing-control-and-restraint-devices",
                        "name": "Webbing control and restraint devices",
                        "description": "Records how belt length is managed and which additional restraint mechanisms are fitted.",
                        "rationale": "Retractors, manual adjusters and other restraint devices require configuration-specific interpretation of their observed states.",
                        "layers": [
                            {
                                "id": "length-management",
                                "name": "Length management",
                                "description": "Captures manual adjustment or retractor behaviour without assuming every belt uses the same mechanism.",
                                "findings": [
                                    {
                                        "id": "adjustment-payout-and-locking",
                                        "name": "Adjustment, payout and locking",
                                        "description": "Record the fitted length-control mechanism and observations made under identified conditions.",
                                        "questions": [
                                            {
                                                "text": "What manual adjuster or retractor type is documented, and which operating modes are applicable?",
                                                "kind": "definition",
                                                "id": "adjustment-payout-and-locking-q01"
                                            },
                                            {
                                                "text": "What adjustment, payout, retraction and locking behaviour was observed, under which procedure and installation conditions?",
                                                "kind": "measurement",
                                                "id": "adjustment-payout-and-locking-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "additional-restraint-mechanisms",
                                "name": "Additional restraint mechanisms",
                                "description": "Identifies fitted devices such as pretensioners or load limiters and their evidence requirements.",
                                "findings": [
                                    {
                                        "id": "fitted-device-status",
                                        "name": "Fitted device status",
                                        "description": "Record documented device presence, known activation evidence and dependencies on external diagnostic records.",
                                        "questions": [
                                            {
                                                "text": "Which additional restraint devices are documented as part of this assembly, and which belong to neighbouring systems?",
                                                "kind": "boundary",
                                                "id": "fitted-device-status-q01"
                                            },
                                            {
                                                "text": "What inspection, event or diagnostic evidence establishes each fitted device's status, and what remains unknown?",
                                                "kind": "provenance",
                                                "id": "fitted-device-status-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "condition-history-and-disposition",
                        "name": "Condition, history and disposition",
                        "description": "Connects physical observations and service history to supported decisions about use or intervention.",
                        "rationale": "A belt can appear intact while its history or applicable instructions require further assessment.",
                        "layers": [
                            {
                                "id": "damage-and-event-evidence",
                                "name": "Damage and event evidence",
                                "description": "Preserves component-level condition observations and relevant historical uncertainty.",
                                "findings": [
                                    {
                                        "id": "inspection-and-history-record",
                                        "name": "Inspection and history record",
                                        "description": "Record webbing, stitching, hardware and mechanism observations alongside collision, activation and alteration history.",
                                        "questions": [
                                            {
                                                "text": "What cuts, fraying, stitching damage, contamination, deformation, corrosion or functional irregularities were observed, and on which components?",
                                                "kind": "measurement",
                                                "id": "inspection-and-history-record-q01"
                                            },
                                            {
                                                "text": "What is known about collision involvement, restraint activation, previous replacement or modification, and which records support it?",
                                                "kind": "provenance",
                                                "id": "inspection-and-history-record-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "use-and-service-decision",
                                "name": "Use and service decision",
                                "description": "Records permitted next actions with their governing criteria and unresolved dependencies.",
                                "findings": [
                                    {
                                        "id": "evidence-based-disposition",
                                        "name": "Evidence-based disposition",
                                        "description": "Record whether evidence supports use, further inspection or replacement, without treating missing evidence as a pass.",
                                        "questions": [
                                            {
                                                "text": "Which applicable manufacturer instructions, inspection criteria or notices govern continued use and replacement for this exact assembly?",
                                                "kind": "provenance",
                                                "id": "evidence-based-disposition-q01"
                                            },
                                            {
                                                "text": "Given the recorded condition and history, what next action is supported, who may perform it and what evidence is still required?",
                                                "kind": "action",
                                                "id": "evidence-based-disposition-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-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Two-point lap belt",
                                            "Three-point lap-and-shoulder belt with emergency-locking retractor (ELR)",
                                            "Switchable ALR/ELR three-point belt used to cinch a child seat",
                                            "Automatic (passive) belt: door-mounted or motorized shoulder belt, often with a separate lap belt",
                                            "Inflatable seat belt (airbelt)",
                                            "Multi-point competition or crew harness (four-, five- or six-point)",
                                            "Integrated child harness or built-in child restraint",
                                            "Off-highway operator belt on tractors, earth-movers and industrial trucks, often a two-point pelvic belt"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of seat belt this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "scheme": "Wikidata",
                                                "value_or_pattern": "Q200403",
                                                "note": "Item for the vehicle occupant-restraint seat belt"
                                            },
                                            {
                                                "scheme": "Harmonized System (HS)",
                                                "value_or_pattern": "8708.21",
                                                "note": "Safety seat belts of a kind used for motor vehicles"
                                            },
                                            {
                                                "scheme": "UN Regulation No. 16 type approval",
                                                "value_or_pattern": "E-mark under R16 (E-circle plus approval number on the belt label)",
                                                "note": "Component approval mark on belts sold in 1958-Agreement markets"
                                            },
                                            {
                                                "scheme": "FMVSS 209 assembly type",
                                                "value_or_pattern": "Type 1 (pelvic only) or Type 2 (pelvic and upper torso)",
                                                "note": "U.S. regulatory classification of the assembly, not a serial number"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of seat belt this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-standards-and-regulation",
                                        "name": "Standards and regulation",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "UNECE Regulation No. 16 - safety-belts and restraint systems (UNECE World Forum WP.29)",
                                            "UNECE Regulation No. 14 - safety-belt anchorages (UNECE WP.29)",
                                            "FMVSS No. 208 Occupant crash protection (NHTSA, 49 CFR 571.208)",
                                            "FMVSS No. 209 Seat belt assemblies (NHTSA, 49 CFR 571.209)",
                                            "FMVSS No. 210 Seat belt assembly anchorages (NHTSA, 49 CFR 571.210)",
                                            "CMVSS 208/209/210 (Transport Canada)",
                                            "ADR 4 Seatbelts (Australia, Department of Infrastructure)",
                                            "GB 14166 Safety-belts, restraint systems and ISOFIX restraint systems (China)",
                                            "ISO 3776 (agricultural tractors and machinery - seat-belt assemblies)",
                                            "ISO 6683 (earth-moving machinery - seat belts and anchorages)"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of seat belt this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Primary occupant restraint in passenger cars, light trucks, coaches and buses, worn over the pelvis and (when three-point) the outboard shoulder",
                                            "Required passenger restraint on commercial aircraft, almost always a two-point lap belt; some general-aviation and crew seats use three-point or multi-point harnesses",
                                            "Operator restraint on forklifts, agricultural tractors and earth-moving machines, mainly to keep the operator in the seat in a rollover rather than to manage a high-speed crash pulse",
                                            "Motorsport and some military vehicles use four- to six-point harnesses with a crotch strap to control the pelvis",
                                            "Vehicle three-point belts are the installation path for many belt-installed child seats; switchable ALR modes exist for that job",
                                            "Buckle and webbing sensors drive seat-belt reminders and, in some vehicles, airbag suppression logic"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of seat belt this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "quantity": "Webbing width",
                                                "typical_range": "46-50",
                                                "unit": "mm"
                                            },
                                            {
                                                "quantity": "Type 1 (lap) assembly loop-load test",
                                                "typical_range": "≥22.2",
                                                "unit": "kN"
                                            },
                                            {
                                                "quantity": "ELR vehicle-sensitive lock threshold (UNECE R16)",
                                                "typical_range": "0.45-0.85",
                                                "unit": "g"
                                            },
                                            {
                                                "quantity": "Lap-belt anchorage angle to the horizontal",
                                                "typical_range": "30-80",
                                                "unit": "degree"
                                            },
                                            {
                                                "quantity": "Adaptive shoulder load-limiter force (passenger cars)",
                                                "typical_range": "2-6",
                                                "unit": "kN"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of seat belt this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Non-use, slack, twist, or wearing the shoulder run under the arm or behind the back, all of which raise occupant excursion",
                                            "Submarining: the pelvis slides under a loose or poorly angled lap belt so load goes into the abdomen",
                                            "Seat-belt syndrome: bowel, mesenteric or lumbar Chance-type injury from a concentrated lap-belt load",
                                            "Webbing cut, abrasion at the D-ring, or UV/chemical degradation that lowers remaining strength",
                                            "Retractor fails to lock in a crash, or locks spuriously in normal driving",
                                            "Buckle not fully latched; pretensioner not replaced after a previous firing",
                                            "Load limiter allows too much chest excursion into the airbag or interior",
                                            "Adult three-point belt on a small child without a booster, with the webbing across the neck or soft abdomen"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of seat belt this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            "Spelling and legal title: U.S. regulations say \"seat belt\"; UK, Australian and New Zealand usage often writes \"seatbelt\" (e.g. ADR 4)",
                                            "The United States uniquely required automatic/passive belts for a period under FMVSS 208 (1970s-1990s); that architecture was rare elsewhere",
                                            "Rear-seat three-point fitment and wearing mandates arrived on different calendars; some older fleets still have a two-point centre-rear belt",
                                            "Wearing laws are enforced as primary or secondary offences depending on jurisdiction",
                                            "\"Safety belt\" survives in older U.S. legal and insurance language; Volvo's 1959 three-point design (Nils Bohlin) was released as an open patent and became the global default"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of seat belt this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.",
                                        "evidence": [
                                            {
                                                "name": "Child restraint system (car seat / booster)",
                                                "difference": "An add-on restraint sized for a child; it may be installed with the adult seat belt or ISOFIX, but it is not itself the vehicle belt"
                                            },
                                            {
                                                "name": "Airbag (supplemental inflatable restraint)",
                                                "difference": "A pyrotechnic cushion that manages the second impact; it does not couple the occupant to the structure with webbing and is specified as supplemental to the belt"
                                            },
                                            {
                                                "name": "Fall-arrest or work-positioning harness",
                                                "difference": "Personal protective equipment for height, governed by PPE standards (e.g. EN 361, ANSI Z359), not vehicle crash regulations"
                                            },
                                            {
                                                "name": "Cargo, recovery or tie-down webbing",
                                                "difference": "Similar polyester webbing and hardware look; it is not an occupant restraint and is rated and labelled under cargo-lashing rules"
                                            },
                                            {
                                                "name": "Seat-belt reminder or buckle switch",
                                                "difference": "An electrical sensor in or near the buckle; it reports use, it is not the load path"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of seat belt this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does the registry intend this entry to cover aircraft belts and motorsport multipoint restraints as well as conventional road-vehicle belts?",
                "Where should ownership fall for seat-integrated anchorages, buckle-mounted pretensioners and shared assemblies serving more than one seating position?",
                "Which authoritative documents provide identification, compatibility and inspection criteria for the seat-belt variants this model will first cover?",
                "Which observations and documented procedures can distinguish expected retractor locking from a fault for each supported mechanism?",
                "How should serviceability remain unresolved when collision history, component identity or restraint-device activation status cannot be established?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 18,
                "questions": 28
            }
        },
        "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 seat belt, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise a seat belt, record its installation and condition, and determine whether use, adjustment, inspection or replacement is appropriate from available evidence.",
            "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: seat belt airbag, car seatbelt, five-point harness.",
                "3 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 61 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 seat belt, 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": [
                        "seat belt airbag",
                        "car seatbelt",
                        "five-point harness"
                    ]
                }
            ],
            "standing": "Described in 61 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 seat belt from another, and a seat belt 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 seat belt, 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 seat belt, 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 seat belt 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 seat belt, 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 seat belt, 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 seat belt 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 seat belt 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 seat belt, 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 seat belt, 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 seat belt 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 seat belt from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a seat belt, 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 seat belt, 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 seat belt 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 seat belt 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 seat belt, 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 seat belt, 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 seat belt 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 seat belt is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a seat belt, 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 seat belt, 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 seat belt 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 seat belt is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a seat belt, 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 seat belt, 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 seat belt 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 seat belt 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 seat belt is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a seat belt, 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 seat belt, 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 seat belt 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 seat belt 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 seat belt, 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 seat belt, 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 seat belt 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 seat belt 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 seat belt between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a seat belt, 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 seat belt, 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 seat belt 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 seat belt, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a seat belt 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 seat belt, 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 seat belt, 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 seat belt 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 seat belt 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 seat belt 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 seat belt, 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 seat belt 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 seat belt 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 seat belt 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 seat belt 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 seat belt 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 seat belt, 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 seat belt 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 seat belt and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a seat belt, 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 seat belt, 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 seat belt 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 seat belt is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a seat belt, 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 seat belt, 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 seat belt 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
            }
        }
    }
}