{
    "model": {
        "rank": 4760,
        "code": "thing-q6394",
        "model_id": "vr.tr.boeing-707",
        "name": "Boeing 707",
        "purpose": "Enable an AI agent to recognise the Boeing 707 family, distinguish its configurations, and identify the evidence needed to assess an example's condition and permitted use.",
        "family": "Thing Registry",
        "category": "Physical world and living systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "PHY",
        "domain": "PHY.OBJ",
        "industry": "",
        "version": "",
        "url": "/models/thing/q6394/",
        "tier": 2,
        "score": 72,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "Boeing 367-80",
                "KC-137",
                "EL/M-2075 Phalcon",
                "Boeing 720B",
                "Boeing 707-220",
                "Boeing 707-138",
                "Boeing 707-120B",
                "Boeing 707-320 Intercontinental",
                "Boeing 707-420",
                "Boeing 707-320B",
                "Boeing 707-320C",
                "KC-707 Águila",
                "Boeing E-6 Mercury",
                "Boeing C-135 Stratolifter",
                "C-137 Stratoliner",
                "Boeing 720",
                "Boeing 707-345C-H FAB KC 137",
                "C-137B Stratoliner",
                "C-18A",
                "Boeing 707-387C",
                "Boeing E-6A Mercury",
                "E-6B Mercury",
                "Boeing E-6 Mercury in service",
                "C-135A Stratolifter",
                "C-135C Stratolifter",
                "WC-135B Constant Phoenix",
                "WC-135C Constant Phoenix",
                "WC-135R Constant Phoenix",
                "WC-135W Constant Phoenix",
                "VC-135 Stratoliner",
                "OC-135B Open Skies",
                "WC-135 Constant Phoenix",
                "C-135B Stratolifter",
                "C-137C Stratoliner",
                "C-18",
                "EC-137D",
                "VC-137",
                "VC-135A Stratoliner",
                "VC-135B Stratoliner"
            ],
            "aliasCount": 39,
            "merged": 39,
            "knownIn": 72,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q6394",
                "url": "https://www.wikidata.org/wiki/Q6394",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T20:57:08Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 28.3,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087f4-8d5e-7b51-be1d-4b58220f2bdc\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: Boeing 707\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 005: 1001 regi",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 82.8,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a087f4-8d6d-7e22-88ff-99358008ad01\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Boeing 707\nRegistry id: vr.tr.boeing-707\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCo"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q6394",
                "registryId": "vr.tr.boeing-707",
                "name": "Boeing 707",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q6394/",
            "model": {
                "registry_id": "vr.tr.boeing-707",
                "name": "Boeing 707",
                "purpose": "Enable an AI agent to recognise the Boeing 707 family, distinguish its configurations, and identify the evidence needed to assess an example's condition and permitted use.",
                "definition": "The Boeing 707 is a family of swept-wing, four-engine, narrow-body jet transport aircraft developed by Boeing primarily for medium- and long-range airline passenger service, with subsequent cargo and special-purpose adaptations.",
                "scope_statement": "This model owns the Boeing 707 aircraft family represented by vr.tr.boeing-707 in PHY / PHY.OBJ: a family of swept-wing, four-engine jet transports, with variant-dependent passenger, cargo and converted configurations; it defines what to record about examples without becoming an individual aircraft logbook.",
                "in_scope": [
                    "707 family membership, exact model designation and configuration applicability",
                    "Variant-specific airframe, propulsion, flight-control and aircraft-system arrangements",
                    "Passenger, cargo and conversion capabilities with associated limitations",
                    "Performance, loading and airport compatibility evidence for a specified configuration",
                    "707-specific maintenance applicability, structural ageing and operational eligibility"
                ],
                "out_of_scope": [
                    "Generic aerodynamics and transport-aircraft requirements inherited from neighbouring aircraft models",
                    "Boeing corporate history, airline businesses and route-network economics",
                    "Individual aircraft ownership histories, journeys and maintenance transactions, except as linked evidence",
                    "The Boeing 720, 367-80 demonstrator and C-135 family as independently modelled aircraft",
                    "Complete models of military derivatives and their mission equipment, linked through evidenced ancestry",
                    "Standalone engine designs, airport infrastructure and crew qualification systems"
                ],
                "distinguishing_features": [
                    "Require a documented Boeing 707 model designation and applicable type-design record; four underwing engines and a swept wing are recognition cues shared with other aircraft, including the Douglas DC-8.",
                    "Resolve 707 versus 720 using designation and configuration records rather than appearance alone; Boeing lists separate airport-planning manuals for them. [Boeing planning manuals](https://www.boeing.com/commercial/airports/plan-manuals)",
                    "Distinguish the 707 family from a particular variant and serial-numbered aircraft: a designation such as 707-320C narrows applicability but does not establish an individual example's installed configuration.",
                    "Require documented identity and lineage before treating a visually similar C-135-family aircraft, demonstrator or military derivative as a Boeing 707 example.",
                    "Use wing configuration, fuselage dimensions, installed engines and cargo-door arrangement together to resolve variant differences; engine appearance or airline livery alone is insufficient."
                ],
                "characteristics": [
                    {
                        "name": "Certified model and applicability",
                        "kind": "category",
                        "unit_or_values": "Exact model designation; applicable type certificate and serial-number range; unresolved",
                        "why_it_matters": "Selects the correct limitations, manuals and maintenance requirements instead of applying one specification to every 707."
                    },
                    {
                        "name": "Installed propulsion configuration",
                        "kind": "relation",
                        "unit_or_values": "Four installed engine positions linked to engine model, rating and approved installation or modification",
                        "why_it_matters": "Determines which fuel, performance, noise and maintenance evidence applies."
                    },
                    {
                        "name": "Airframe geometry",
                        "kind": "measurement",
                        "unit_or_values": "Length, wingspan and height in m; wing area in m²; variant and modification basis required",
                        "why_it_matters": "Supports recognition, hangar clearance and airport compatibility without inventing a family-wide dimension."
                    },
                    {
                        "name": "Approved mass and balance envelope",
                        "kind": "measurement",
                        "unit_or_values": "Ramp, takeoff, landing and zero-fuel mass in kg; centre of gravity in % mean aerodynamic chord",
                        "why_it_matters": "Separates structural and operating limits from actual loading."
                    },
                    {
                        "name": "Transport configuration",
                        "kind": "category",
                        "unit_or_values": "Passenger; cargo; approved mixed configuration; other approved conversion; unresolved",
                        "why_it_matters": "Governs occupancy, cargo restraint, floor loading, exits and fire-protection requirements."
                    },
                    {
                        "name": "Usable transport capacity",
                        "kind": "measurement",
                        "unit_or_values": "Approved seats as count; payload in kg; cargo volume in m³; fuel capacity in L and fuel mass in kg",
                        "why_it_matters": "Makes capacity conditional on the specific layout, mass limits and fuel assumptions."
                    },
                    {
                        "name": "Performance evidence",
                        "kind": "relation",
                        "unit_or_values": "Applicable approved flight-manual tables with mass, altitude, temperature, wind, runway and configuration conditions",
                        "why_it_matters": "Prevents headline range or runway figures from being treated as flight-planning authority."
                    },
                    {
                        "name": "Flight-control and systems configuration",
                        "kind": "relation",
                        "unit_or_values": "Applicable control, hydraulic, electrical, pneumatic, pressurisation and warning-system arrangements",
                        "why_it_matters": "Connects observed faults to affected functions and configuration-specific restrictions."
                    },
                    {
                        "name": "Structural exposure",
                        "kind": "measurement",
                        "unit_or_values": "Flight hours in h; cycles and landings as counts; calendar age in years; completeness of records",
                        "why_it_matters": "Supports assessment of fatigue, corrosion and inspection applicability on ageing examples."
                    },
                    {
                        "name": "Condition and operating authority",
                        "kind": "state",
                        "unit_or_values": "Physical condition and documented authority recorded separately, with evidence date and jurisdiction",
                        "why_it_matters": "Distinguishes an apparently intact or engine-running aircraft from one authorised for a particular operation."
                    }
                ],
                "affordances": [
                    "Classify a claimed 707 and identify the designation or configuration evidence still missing.",
                    "Select applicable 707 manuals and compare variants without mixing incompatible specifications.",
                    "Screen a passenger or cargo proposal against documented capacity, loading and configuration limits.",
                    "Screen airport, stand, hangar and servicing compatibility using the relevant variant's planning data.",
                    "Identify unresolved defects, inspection obligations and approval gaps that require qualified review.",
                    "Assess the documented prerequisites for preservation, ground movement, conversion or return to service."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "707-identity-and-configuration",
                        "name": "707 identity and configuration",
                        "description": "Establish what the 707 name denotes and which technical configuration a claim concerns.",
                        "rationale": "The family name cannot reliably select specifications or distinguish related Boeing designs.",
                        "layers": [
                            {
                                "id": "family-membership",
                                "name": "Family membership",
                                "description": "Separate registry identity, manufacturer designation and neighbouring aircraft families.",
                                "findings": [
                                    {
                                        "id": "documented-707-membership",
                                        "name": "Documented 707 membership",
                                        "description": "Require identification evidence before admitting a designation or example into the 707 family.",
                                        "questions": [
                                            {
                                                "text": "Which manufacturer and certification records establish that this designation belongs to the Boeing 707 family?",
                                                "kind": "provenance",
                                                "id": "documented-707-membership-q01"
                                            },
                                            {
                                                "text": "What evidence distinguishes it from a 720, 367-80, C-135-family aircraft or separately designated military derivative?",
                                                "kind": "boundary",
                                                "id": "documented-707-membership-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "variant-and-modification-applicability",
                                "name": "Variant and modification applicability",
                                "description": "Resolve the configuration to which every technical statement applies.",
                                "findings": [
                                    {
                                        "id": "as-built-and-current-configuration",
                                        "name": "As-built and current configuration",
                                        "description": "Keep original model identity distinct from subsequent engine, cargo, avionics and other modifications.",
                                        "questions": [
                                            {
                                                "text": "Which exact model, production identifiers and serial-number applicability select the baseline 707 documentation?",
                                                "kind": "definition",
                                                "id": "as-built-and-current-configuration-q01"
                                            },
                                            {
                                                "text": "Which approved modifications alter that baseline, and which records establish their installation?",
                                                "kind": "provenance",
                                                "id": "as-built-and-current-configuration-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "707-propulsion-and-control",
                        "name": "707 propulsion and control",
                        "description": "Describe how the selected 707 configuration produces thrust, supports its systems and responds to control inputs.",
                        "rationale": "Engine installations and control-system details determine capability and fault consequences across the family.",
                        "layers": [
                            {
                                "id": "engine-installation-and-resources",
                                "name": "Engine installation and resources",
                                "description": "Connect each engine installation to fuel, starting, thrust and aircraft-service dependencies.",
                                "findings": [
                                    {
                                        "id": "configuration-specific-propulsion",
                                        "name": "Configuration-specific propulsion",
                                        "description": "Record installed engine models and operating resources without assigning one engine specification to all 707s.",
                                        "questions": [
                                            {
                                                "text": "Which engine model, thrust rating, reverser arrangement and installation approval apply at each of the four positions?",
                                                "kind": "definition",
                                                "id": "configuration-specific-propulsion-q01"
                                            },
                                            {
                                                "text": "Which fuel, lubricant, starting and any water-injection requirements apply to this installation?",
                                                "kind": "action",
                                                "id": "configuration-specific-propulsion-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "flight-controls-and-system-states",
                                "name": "Flight controls and system states",
                                "description": "Record the applicable control architecture, support systems and abnormal-state indications.",
                                "findings": [
                                    {
                                        "id": "control-and-protection-applicability",
                                        "name": "Control and protection applicability",
                                        "description": "Identify configuration-specific controls, warnings, protections and dependencies rather than assuming contemporary airliner automation.",
                                        "questions": [
                                            {
                                                "text": "How do the applicable 707 controls, trim, high-lift devices and stability-assistance systems depend on hydraulic and electrical power?",
                                                "kind": "definition",
                                                "id": "control-and-protection-applicability-q01"
                                            },
                                            {
                                                "text": "Which indications, interlocks and approved procedures govern reverser, landing-gear, pressurisation or control-system faults?",
                                                "kind": "action",
                                                "id": "control-and-protection-applicability-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "707-transport-envelope",
                        "name": "707 transport envelope",
                        "description": "Connect passenger and cargo arrangements to loading limits and conditional performance.",
                        "rationale": "Seat count, payload and range are meaningful only for a specified 707 configuration and operating assumptions.",
                        "layers": [
                            {
                                "id": "cabin-and-cargo-arrangements",
                                "name": "Cabin and cargo arrangements",
                                "description": "Resolve transport capability from approved interior and loading arrangements.",
                                "findings": [
                                    {
                                        "id": "approved-transport-layout",
                                        "name": "Approved transport layout",
                                        "description": "Distinguish approved passenger, cargo and conversion layouts, including any convertible configuration.",
                                        "questions": [
                                            {
                                                "text": "Which approved layout establishes seating, exits, cargo-door access and usable cargo space for this 707?",
                                                "kind": "provenance",
                                                "id": "approved-transport-layout-q01"
                                            },
                                            {
                                                "text": "What floor-loading, restraint, compartment and centre-of-gravity limits constrain the proposed load?",
                                                "kind": "measurement",
                                                "id": "approved-transport-layout-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "mass-fuel-and-performance",
                                "name": "Mass, fuel and performance",
                                "description": "Represent performance as conditional evidence tied to mass, engines and flight conditions.",
                                "findings": [
                                    {
                                        "id": "conditional-mission-capability",
                                        "name": "Conditional mission capability",
                                        "description": "Require a documented basis for payload-range and runway-performance assessments.",
                                        "questions": [
                                            {
                                                "text": "What mass limits and usable fuel quantities apply to the selected 707 variant and installed modifications?",
                                                "kind": "measurement",
                                                "id": "conditional-mission-capability-q01"
                                            },
                                            {
                                                "text": "Which approved performance data and environmental assumptions support the proposed payload, distance and runway use?",
                                                "kind": "action",
                                                "id": "conditional-mission-capability-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "707-ground-and-airspace-compatibility",
                        "name": "707 ground and airspace compatibility",
                        "description": "Assess whether the configured aircraft fits the physical facilities and documented operating requirements of a proposed location.",
                        "rationale": "707 operation depends on variant geometry, servicing arrangements, installed equipment and location-specific restrictions.",
                        "layers": [
                            {
                                "id": "airport-and-servicing-fit",
                                "name": "Airport and servicing fit",
                                "description": "Use variant-specific geometry and ground-operation evidence; Boeing identifies D6-58322 as its 707 airport-planning manual. [Boeing planning manuals](https://www.boeing.com/commercial/airports/plan-manuals)",
                                "findings": [
                                    {
                                        "id": "physical-and-service-compatibility",
                                        "name": "Physical and service compatibility",
                                        "description": "Evaluate stand, pavement, manoeuvring and servicing requirements for the selected configuration.",
                                        "questions": [
                                            {
                                                "text": "What dimensions, turning clearances, pavement-loading data and engine-hazard areas apply to this 707 variant?",
                                                "kind": "measurement",
                                                "id": "physical-and-service-compatibility-q01"
                                            },
                                            {
                                                "text": "Which towing, starting, ground-power, access and refuelling equipment is compatible with its installed systems?",
                                                "kind": "action",
                                                "id": "physical-and-service-compatibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "equipment-and-environmental-eligibility",
                                "name": "Equipment and environmental eligibility",
                                "description": "Keep design capability separate from time- and jurisdiction-dependent operating eligibility.",
                                "findings": [
                                    {
                                        "id": "route-and-airport-eligibility",
                                        "name": "Route and airport eligibility",
                                        "description": "Require applicable evidence for noise compliance, navigation, communication and surveillance capability.",
                                        "questions": [
                                            {
                                                "text": "Which noise approvals and any engine or hush-kit modifications support access to the proposed airport on the proposed date?",
                                                "kind": "provenance",
                                                "id": "route-and-airport-eligibility-q01"
                                            },
                                            {
                                                "text": "Which installed avionics, aircraft approvals and operator authorisations are required for the intended airspace?",
                                                "kind": "action",
                                                "id": "route-and-airport-eligibility-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "707-ageing-and-airworthiness",
                        "name": "707 ageing and airworthiness",
                        "description": "Connect configuration, accumulated exposure and maintenance evidence to justified condition assessments.",
                        "rationale": "A 707's apparent completeness cannot establish structural integrity, serviceability or authority to fly.",
                        "layers": [
                            {
                                "id": "structural-and-system-condition",
                                "name": "Structural and system condition",
                                "description": "Identify the inspections and component evidence applicable to the actual variant and modifications.",
                                "findings": [
                                    {
                                        "id": "ageing-evidence-and-inspection-scope",
                                        "name": "Ageing evidence and inspection scope",
                                        "description": "Treat fatigue, corrosion, repairs and configuration-dependent failure modes as matters requiring inspection evidence.",
                                        "questions": [
                                            {
                                                "text": "Which 707 structural inspections apply to the recorded cycles, hours, repairs and cargo or engine modifications?",
                                                "kind": "provenance",
                                                "id": "ageing-evidence-and-inspection-scope-q01"
                                            },
                                            {
                                                "text": "What inspection findings establish the condition of pressure structure, wings, engine attachments, landing gear and installed systems?",
                                                "kind": "measurement",
                                                "id": "ageing-evidence-and-inspection-scope-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "maintenance-authority-and-lifecycle",
                                "name": "Maintenance authority and lifecycle",
                                "description": "Determine what evidence supports continued operation, storage, ground use or return to service.",
                                "findings": [
                                    {
                                        "id": "action-specific-airworthiness-evidence",
                                        "name": "Action-specific airworthiness evidence",
                                        "description": "Link each proposed action to applicable certification, maintenance and operating records.",
                                        "questions": [
                                            {
                                                "text": "Which authority-issued type-design requirements, airworthiness directives and approved maintenance documents apply to this exact 707 configuration?",
                                                "kind": "provenance",
                                                "id": "action-specific-airworthiness-evidence-q01"
                                            },
                                            {
                                                "text": "What outstanding defects, life limits, preservation tasks, parts-traceability gaps or releases prevent the proposed movement or operation?",
                                                "kind": "action",
                                                "id": "action-specific-airworthiness-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-confidence-notes",
                                        "name": "Check these first",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "This is recalled knowledge, not source-checked research.",
                                            "Dimensions, seating, engines and performance must be resolved by exact variant and modification status.",
                                            "Researchers should verify original certification bases, applicable noise classifications and current operating status separately."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of Boeing 707 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "707-120: initial production series",
                                            "707-138: shortened-fuselage version developed for Qantas",
                                            "707-220: limited-production version with more powerful turbojet engines",
                                            "707-320 Intercontinental: enlarged long-range series",
                                            "707-420: version powered by Rolls-Royce Conway engines",
                                            "707-320B and 707-320C: turbofan-powered developments, including the convertible passenger/freight 320C"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of Boeing 707 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-identifiers",
                                        "name": "Identifiers and schemes",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "scheme": "Boeing model designation",
                                                "value_or_pattern": "707 followed by a series designation and, where applicable, suffix letters",
                                                "note": "Identifies a design variant; individual airframes also have manufacturer serial numbers and national registrations."
                                            },
                                            {
                                                "scheme": "ICAO aircraft type designator",
                                                "value_or_pattern": "B703",
                                                "note": "Used for the 707-300 family; it should not be applied indiscriminately to every 707 variant."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of Boeing 707 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-standards-and-regulation",
                                        "name": "Standards and regulation",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "FAA airworthiness directives: mandatory corrective actions for affected aircraft under United States jurisdiction.",
                                            "ICAO Annex 8, Airworthiness of Aircraft: international framework implemented through national airworthiness authorities.",
                                            "ICAO Annex 6, Operation of Aircraft: international operational standards implemented through national rules.",
                                            "ICAO Annex 16, Volume I, Aircraft Noise: noise certification framework relevant to operating restrictions and noise-reduction modifications."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-standards-and-regulation-q01",
                                                "text": "Which of these standards and regulation hold for the sense of Boeing 707 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Scheduled medium- and long-range passenger transport.",
                                            "Intercontinental airline services during the expansion of commercial jet travel.",
                                            "Dedicated and convertible freight transport.",
                                            "Government and VIP transport.",
                                            "Special-purpose military adaptations, including tanker and airborne surveillance roles."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of Boeing 707 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "quantity": "Overall length",
                                                "typical_range": "Approximately 41-47, depending on variant",
                                                "unit": "m"
                                            },
                                            {
                                                "quantity": "Wingspan",
                                                "typical_range": "Approximately 40-44, depending on variant",
                                                "unit": "m"
                                            },
                                            {
                                                "quantity": "Installed engine count",
                                                "typical_range": "4",
                                                "unit": "engines"
                                            },
                                            {
                                                "quantity": "Passenger seating",
                                                "typical_range": "Approximately 110-190, depending on variant and cabin configuration",
                                                "unit": "passengers"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of Boeing 707 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Fatigue cracking and corrosion in ageing structures, including the pressurised fuselage.",
                                            "Engine failure or fire, with asymmetric thrust and reduced climb performance.",
                                            "Hydraulic or flight-control system faults that impair control or operation of landing gear and high-lift devices.",
                                            "Stall, icing and low-speed handling hazards, particularly during takeoff and approach.",
                                            "Runway overruns associated with excess landing speed, contaminated surfaces or degraded braking."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of Boeing 707 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-regional-variation",
                                        "name": "Regional variation",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Noise restrictions differ among jurisdictions and airports; engine installation and approved noise-reduction modifications affect access.",
                                            "Airworthiness oversight, operating approval and registration are administered by national authorities.",
                                            "Cabin layouts and equipment installations vary by operator and route requirements."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of Boeing 707 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "name": "Boeing 720",
                                                "difference": "A separately designated derivative optimised for shorter routes, with structural and aerodynamic changes."
                                            },
                                            {
                                                "name": "Boeing 367-80",
                                                "difference": "The experimental jet transport demonstrator that preceded the production 707 and KC-135 families."
                                            },
                                            {
                                                "name": "Boeing KC-135 Stratotanker",
                                                "difference": "A separate military tanker design sharing developmental ancestry with the 707, rather than a converted production 707."
                                            },
                                            {
                                                "name": "Douglas DC-8",
                                                "difference": "A competing four-engine jet airliner family designed by Douglas."
                                            },
                                            {
                                                "name": "Individual Boeing 707 airframe",
                                                "difference": "A particular manufactured aircraft identified by serial number and registration; this entry describes the aircraft family."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Boeing 707 this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "What exact designation map should define the registry's 707 family boundary, particularly historical 707-020 naming and separately designated military derivatives?",
                "Which authoritative variant tables establish dimensions, engines, seats, fuel and mass limits without conflating original production configurations and later modifications?",
                "Which current certification records, directives, structural programmes and document revisions apply to each variant and serial-number range?",
                "Which documented 707 failure modes and control-system protections warrant explicit findings after examination of the applicable maintenance and flight manuals?",
                "What current support, approved-parts availability, noise compliance and operational-authorisation evidence exists for any example proposed for active use?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 19,
                "questions": 29
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "unclassified",
            "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 Boeing 707, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise the Boeing 707 family, distinguish its configurations, and identify the evidence needed to assess an example's condition and permitted use.",
            "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: Boeing 367-80, KC-137, EL/M-2075 Phalcon, Boeing 720B, Boeing 707-220, Boeing 707-138, Boeing 707-120B, Boeing 707-320 Intercontinental, Boeing 707-420, Boeing 707-320B, Boeing 707-320C, KC-707 Águila.",
                "39 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 72 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a Boeing 707, 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 and material. The registry holds no appearance data, so what a Boeing 707 looks like has to come from research."
            ],
            "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": [
                        "Boeing 367-80",
                        "KC-137",
                        "EL/M-2075 Phalcon",
                        "Boeing 720B",
                        "Boeing 707-220",
                        "Boeing 707-138",
                        "Boeing 707-120B",
                        "Boeing 707-320 Intercontinental",
                        "Boeing 707-420",
                        "Boeing 707-320B",
                        "Boeing 707-320C",
                        "KC-707 Águila"
                    ]
                }
            ],
            "standing": "Described in 72 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 39 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 Boeing 707 from another, and a Boeing 707 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 Boeing 707, 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 Boeing 707, 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 Boeing 707 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 Boeing 707, 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 Boeing 707, 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 Boeing 707 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 Boeing 707 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 Boeing 707, 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 Boeing 707, 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 Boeing 707 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 Boeing 707 from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a Boeing 707, 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 Boeing 707, 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 Boeing 707 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 Boeing 707 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 Boeing 707, 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 Boeing 707, 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 Boeing 707 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 Boeing 707 is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a Boeing 707, 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 Boeing 707, 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 Boeing 707 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 Boeing 707 is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a Boeing 707, 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 Boeing 707, 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 Boeing 707 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 Boeing 707 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 Boeing 707 is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a Boeing 707, 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 Boeing 707, 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 Boeing 707 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 Boeing 707 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 Boeing 707, 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 Boeing 707, 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 Boeing 707 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 Boeing 707 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 Boeing 707 between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a Boeing 707, 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 Boeing 707, 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 Boeing 707 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 Boeing 707, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a Boeing 707 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 Boeing 707, 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 Boeing 707, 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 Boeing 707 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "use-and-operation",
                        "name": "Use and operation",
                        "description": "What can be done with a Boeing 707 and what it takes to do it.",
                        "rationale": "An agent that can recognise a thing but not act on it has only half a model.",
                        "layers": [
                            {
                                "id": "intended-use",
                                "name": "Intended use and function",
                                "description": "What a Boeing 707 is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a Boeing 707 performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a Boeing 707, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q02",
                                                "text": "Who or what asserted this about the use of a Boeing 707, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "function-and-purpose-q03",
                                                "text": "What may an agent decide or do once the use of a Boeing 707 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "handling-and-procedure",
                                "name": "Handling and procedure",
                                "description": "The steps, skills and tools involved in using a Boeing 707.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a Boeing 707 at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a Boeing 707, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q02",
                                                "text": "Who or what asserted this about handling a Boeing 707, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "procedures-and-skills-q03",
                                                "text": "What may an agent decide or do once handling a Boeing 707 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a Boeing 707 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 Boeing 707 and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a Boeing 707, 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 Boeing 707, 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 Boeing 707 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 Boeing 707 is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a Boeing 707, 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 Boeing 707, 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 Boeing 707 is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 6,
                "layers": 13,
                "findings": 15,
                "questions": 45
            }
        }
    }
}