{
    "model": {
        "rank": 5423,
        "code": "thing-q151384",
        "model_id": "vr.tr.eurofighter-typhoon",
        "name": "Eurofighter Typhoon",
        "purpose": "Enable an AI agent to recognise the Eurofighter Typhoon aircraft family, distinguish its configuration-dependent capabilities, and determine what evidence is needed to assess an associated airframe's condition and authorised 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/q151384/",
        "tier": 2,
        "score": 67,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "Typhoon T",
                "Typhoon DA",
                "Typhoon IPA",
                "Typhoon Tranche 1",
                "Typhoon Tranche 2",
                "Typhoon S"
            ],
            "aliasCount": 6,
            "merged": 6,
            "knownIn": 67,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": null,
            "source": {
                "dataset": "wikidata",
                "item": "Q151384",
                "url": "https://www.wikidata.org/wiki/Q151384",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T22:20:52Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 25.5,
                        "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: 01a08841-5ed7-7d31-ba74-4f1a35bdff87\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: Eurofighter Typhoon\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: ",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 72.4,
                        "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: 01a08841-5eca-7201-8f6e-6c41c0691cb8\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Eurofighter Typhoon\nRegistry id: vr.tr.eurofighter-typhoon\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this "
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q151384",
                "registryId": "vr.tr.eurofighter-typhoon",
                "name": "Eurofighter Typhoon",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "PHY.OBJ"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q151384/",
            "model": {
                "registry_id": "vr.tr.eurofighter-typhoon",
                "name": "Eurofighter Typhoon",
                "purpose": "Enable an AI agent to recognise the Eurofighter Typhoon aircraft family, distinguish its configuration-dependent capabilities, and determine what evidence is needed to assess an associated airframe's condition and authorised use.",
                "definition": "The Eurofighter Typhoon is a European twin-engine, canard-delta, supersonic multirole combat aircraft design family developed by the Eurofighter consortium, encompassing single-seat and two-seat aircraft rather than one individual airframe.",
                "scope_statement": "This model owns the Eurofighter Typhoon aircraft family represented by vr.tr.eurofighter-typhoon in PHY / PHY.OBJ, including its defining architecture and configuration distinctions; individual airframes supply state evidence but are not separate meanings of this registry entry.",
                "in_scope": [
                    "Typhoon family identity, single-seat and two-seat configurations, and national designations",
                    "Production tranche, block, modification and software-baseline distinctions",
                    "Airframe, EJ200 propulsion and flight-control architecture",
                    "Configuration-specific sensors, defensive systems and approved equipment interfaces",
                    "Evidence needed to assess serviceability, maintenance status and military airworthiness"
                ],
                "out_of_scope": [
                    "Individual aircraft ownership, movement and maintenance-event histories as independent asset records",
                    "The Eurofighter consortium, partner companies and procurement organisations",
                    "Standalone models of EJ200 engines, missiles, sensors and support equipment",
                    "Combat tactics, target selection and weapon-employment procedures",
                    "The unrelated Hawker Typhoon aircraft",
                    "Generic fighter-aircraft principles already owned by a broader aircraft model"
                ],
                "distinguishing_features": [
                    "Require documented Eurofighter Typhoon type identity; the word Typhoon alone also identifies the unrelated Hawker aircraft.",
                    "Use the combined canard-delta layout, twin-engine installation and single vertical fin as a recognition check, supported by type documentation rather than silhouette alone.",
                    "Confirm the twin EUROJET EJ200 installation when distinguishing Typhoon from superficially similar canard-delta fighters.",
                    "Treat tranche, national designation and upgrade baseline as configurations within the family rather than independent aircraft types.",
                    "Distinguish the aircraft family from a particular machine by requiring a serial or equivalent asset identifier before attaching individual condition claims."
                ],
                "characteristics": [
                    {
                        "name": "Type identity and national designation",
                        "kind": "category",
                        "unit_or_values": "Eurofighter Typhoon; documented national designation and alias",
                        "why_it_matters": "Connects different service names to the registered family without conflating unrelated aircraft."
                    },
                    {
                        "name": "Crew configuration",
                        "kind": "category",
                        "unit_or_values": "Single-seat; two-seat; unresolved",
                        "why_it_matters": "Distinguishes physical and crew-related configurations without assuming identical clearances."
                    },
                    {
                        "name": "Configuration baseline",
                        "kind": "relation",
                        "unit_or_values": "Production tranche, block, modification standard, software release and effective date",
                        "why_it_matters": "A tranche label alone does not establish installed or authorised capabilities."
                    },
                    {
                        "name": "Propulsion installation",
                        "kind": "relation",
                        "unit_or_values": "Two EJ200 engines; applicable engine build and modification standards",
                        "why_it_matters": "Anchors family recognition and configuration-specific support requirements."
                    },
                    {
                        "name": "Dimensions",
                        "kind": "measurement",
                        "unit_or_values": "Length, wingspan and height in m, with configuration and source",
                        "why_it_matters": "Supports identification and assessment of hangar and ground-handling compatibility."
                    },
                    {
                        "name": "Mass and fuel limits",
                        "kind": "measurement",
                        "unit_or_values": "kg, distinguishing empty mass, authorised take-off mass and internal or external fuel",
                        "why_it_matters": "Prevents mixing published figures based on different aircraft and loading definitions."
                    },
                    {
                        "name": "Radar and passive sensor fit",
                        "kind": "category",
                        "unit_or_values": "Documented radar variant; PIRATE installation status; associated software baseline",
                        "why_it_matters": "Sensor equipment and capability vary across Typhoon configurations."
                    },
                    {
                        "name": "Stores compatibility",
                        "kind": "relation",
                        "unit_or_values": "Equipment type linked to applicable aircraft baseline and approval evidence",
                        "why_it_matters": "Physical attachment and public integration announcements do not establish operational clearance."
                    },
                    {
                        "name": "Serviceability assessment",
                        "kind": "state",
                        "unit_or_values": "Serviceable; restricted; unserviceable; unknown, with assessment scope and timestamp",
                        "why_it_matters": "Supports bounded conclusions about an associated airframe rather than a family-wide readiness claim."
                    },
                    {
                        "name": "Life consumption",
                        "kind": "measurement",
                        "unit_or_values": "Flight hours, cycles and authority-defined fatigue indices",
                        "why_it_matters": "Different structural and propulsion items may use different life-accounting measures."
                    }
                ],
                "affordances": [
                    "Resolve a designation or aircraft record to the Typhoon family and its documented configuration.",
                    "Compare two Typhoon baselines and identify differences supported by configuration evidence.",
                    "Check whether a claimed sensor, role or equipment compatibility applies to a specified baseline.",
                    "Identify missing evidence needed for a serviceability or airworthiness assessment.",
                    "Route maintenance and support questions to the applicable approved documentation and responsible organisation."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "family-and-configuration",
                        "name": "Family and configuration",
                        "description": "Identify the registered aircraft family and the configuration distinctions needed to interpret any further claim.",
                        "rationale": "Typhoon capabilities cannot reliably be inferred from the family name or production tranche alone.",
                        "layers": [
                            {
                                "id": "type-boundary",
                                "name": "Type boundary",
                                "description": "Separate family identity, national naming and individual aircraft identity.",
                                "findings": [
                                    {
                                        "id": "typhoon-identity",
                                        "name": "Typhoon identity",
                                        "description": "Record documentary type identity and aliases, keeping the Eurofighter family separate from the Hawker Typhoon and from individual serial-numbered assets.",
                                        "questions": [
                                            {
                                                "text": "Which type or manufacturer record establishes that this designation refers to Eurofighter Typhoon?",
                                                "kind": "provenance",
                                                "id": "typhoon-identity-q01"
                                            },
                                            {
                                                "text": "Does the supplied name identify the family, a national variant or an individual airframe?",
                                                "kind": "boundary",
                                                "id": "typhoon-identity-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "baseline-applicability",
                                "name": "Baseline applicability",
                                "description": "Resolve production and subsequent modification information into an applicable configuration.",
                                "findings": [
                                    {
                                        "id": "configuration-evidence",
                                        "name": "Configuration evidence",
                                        "description": "Keep tranche, block, national standard, hardware modifications and software release distinct; record whether evidence concerns a proposal, trial installation or accepted configuration.",
                                        "questions": [
                                            {
                                                "text": "Which production baseline and subsequent modifications define the configuration being assessed?",
                                                "kind": "definition",
                                                "id": "configuration-evidence-q01"
                                            },
                                            {
                                                "text": "What dated acceptance or configuration record confirms that the stated equipment and software are installed?",
                                                "kind": "provenance",
                                                "id": "configuration-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "airframe-propulsion-and-control",
                        "name": "Airframe, propulsion and control",
                        "description": "Describe the physical architecture that identifies Typhoon and constrains its operation and support.",
                        "rationale": "Typhoon recognition and condition assessment depend on the combination of its airframe, twin-engine propulsion and controlled flight architecture.",
                        "layers": [
                            {
                                "id": "physical-envelope",
                                "name": "Physical envelope",
                                "description": "Capture airframe geometry and configuration-qualified dimensions and masses.",
                                "findings": [
                                    {
                                        "id": "geometry-and-loading",
                                        "name": "Geometry and loading",
                                        "description": "Use canard-delta geometry as a recognition cue and record dimensions and loading limits with their measurement definitions and applicable configuration.",
                                        "questions": [
                                            {
                                                "text": "Which documented airframe features distinguish this Typhoon configuration from similar canard-delta aircraft?",
                                                "kind": "definition",
                                                "id": "geometry-and-loading-q01"
                                            },
                                            {
                                                "text": "What dimensions and mass limits apply, and do the figures include external equipment or fuel?",
                                                "kind": "measurement",
                                                "id": "geometry-and-loading-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "propulsion-and-flight-control",
                                "name": "Propulsion and flight control",
                                "description": "Connect engine and flight-control identity to approved configuration and condition evidence.",
                                "findings": [
                                    {
                                        "id": "ej200-and-control-baseline",
                                        "name": "EJ200 and control baseline",
                                        "description": "Typhoon uses EJ200 propulsion; record engine standards and flight-control applicability without converting promotional performance figures into operating limits. Reference: [Eurofighter aircraft features](https://world.eurofighter.com/the-aircraft/features).",
                                        "questions": [
                                            {
                                                "text": "Which EJ200 build standards and flight-control software standard apply to the configuration?",
                                                "kind": "provenance",
                                                "id": "ej200-and-control-baseline-q01"
                                            },
                                            {
                                                "text": "Which approved records establish propulsion and flight-control serviceability or restrictions?",
                                                "kind": "action",
                                                "id": "ej200-and-control-baseline-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "sensors-and-electronic-systems",
                        "name": "Sensors and electronic systems",
                        "description": "Represent the installed sensing and defensive equipment without assuming uniform fit across the family.",
                        "rationale": "Radar evolution and optional or nationally differentiated equipment make generic Typhoon sensor claims unreliable.",
                        "layers": [
                            {
                                "id": "radar-and-passive-sensing",
                                "name": "Radar and passive sensing",
                                "description": "Identify radar and infrared equipment and distinguish installation from capability acceptance.",
                                "findings": [
                                    {
                                        "id": "sensor-fit-applicability",
                                        "name": "Sensor fit applicability",
                                        "description": "Record the exact radar variant and PIRATE installation status. Eurofighter describes CAPTOR-M and evolving electronically scanned radar systems, making configuration and date essential. Reference: [Making Sense of Typhoon](https://world.eurofighter.com/news/making-sense-of-typhoon).",
                                        "questions": [
                                            {
                                                "text": "Which radar variant and passive infrared equipment are installed on the specified baseline?",
                                                "kind": "definition",
                                                "id": "sensor-fit-applicability-q01"
                                            },
                                            {
                                                "text": "Does the supporting evidence establish a development milestone, delivered installation or accepted service capability?",
                                                "kind": "provenance",
                                                "id": "sensor-fit-applicability-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "defensive-system-configuration",
                                "name": "Defensive system configuration",
                                "description": "Record defensive equipment identity and support status at a non-tactical level.",
                                "findings": [
                                    {
                                        "id": "praetorian-applicability",
                                        "name": "Praetorian applicability",
                                        "description": "Eurofighter identifies Praetorian as Typhoon's defensive aids system; determine the applicable fit and modification status rather than assuming a common fleet-wide installation. Reference: [Outpacing the Threat](https://www.eurofighter.com/news/outpacing-the-threat).",
                                        "questions": [
                                            {
                                                "text": "Which defensive aids configuration is documented for this national and aircraft baseline?",
                                                "kind": "provenance",
                                                "id": "praetorian-applicability-q01"
                                            },
                                            {
                                                "text": "Which available serviceability records establish whether that installation is supported and usable?",
                                                "kind": "action",
                                                "id": "praetorian-applicability-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "roles-and-equipment-clearance",
                        "name": "Roles and equipment clearance",
                        "description": "Separate family-level role descriptions from approved capabilities of particular configurations.",
                        "rationale": "Typhoon's advertised role breadth does not prove that every airframe has every integration or approval.",
                        "layers": [
                            {
                                "id": "role-applicability",
                                "name": "Role applicability",
                                "description": "Connect role labels to an evidenced configuration and acceptance state.",
                                "findings": [
                                    {
                                        "id": "swing-role-claim",
                                        "name": "Swing-role claim",
                                        "description": "Eurofighter describes Typhoon as able to perform air-to-air and air-to-surface roles within a mission; record which roles are approved for the configuration under assessment. Reference: [The Aircraft](https://world.eurofighter.com/the-aircraft).",
                                        "questions": [
                                            {
                                                "text": "Which roles are documented as approved for this aircraft baseline?",
                                                "kind": "definition",
                                                "id": "swing-role-claim-q01"
                                            },
                                            {
                                                "text": "What evidence separates a family-level advertised role from an accepted capability of this configuration?",
                                                "kind": "boundary",
                                                "id": "swing-role-claim-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "external-equipment-interfaces",
                                "name": "External equipment interfaces",
                                "description": "Represent equipment compatibility through applicable integration and approval records.",
                                "findings": [
                                    {
                                        "id": "clearance-dependencies",
                                        "name": "Clearance dependencies",
                                        "description": "Record approved compatibility for external tanks, pods and stores as a relationship to aircraft hardware, software and national clearance; keep equipment design and employment procedures in neighbouring models.",
                                        "questions": [
                                            {
                                                "text": "Which approval establishes compatibility between the named equipment and this Typhoon baseline?",
                                                "kind": "provenance",
                                                "id": "clearance-dependencies-q01"
                                            },
                                            {
                                                "text": "Which configuration dependencies must be satisfied before the agent can report that compatibility as established?",
                                                "kind": "action",
                                                "id": "clearance-dependencies-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "sustainment-and-airworthiness",
                        "name": "Sustainment and airworthiness",
                        "description": "Define the evidence required to assess an associated Typhoon airframe's supportability and authorised condition.",
                        "rationale": "An installed capability is usable only within the aircraft's maintenance, life and airworthiness constraints.",
                        "layers": [
                            {
                                "id": "maintenance-and-life",
                                "name": "Maintenance and life",
                                "description": "Connect Typhoon airframe and EJ200 maintenance applicability to life usage and unresolved defects.",
                                "findings": [
                                    {
                                        "id": "life-and-maintenance-evidence",
                                        "name": "Life and maintenance evidence",
                                        "description": "Require applicable maintenance references, structural life accounting, engine life records and defect dispositions; do not infer inspection intervals or common failure rates from the draft.",
                                        "questions": [
                                            {
                                                "text": "Which approved maintenance programme and life-accounting methods apply to the airframe and its EJ200 installations?",
                                                "kind": "provenance",
                                                "id": "life-and-maintenance-evidence-q01"
                                            },
                                            {
                                                "text": "What recorded hours, cycles, fatigue measures and outstanding maintenance affect the requested assessment?",
                                                "kind": "measurement",
                                                "id": "life-and-maintenance-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "release-and-ground-safety",
                                "name": "Release and ground safety",
                                "description": "Locate authority and approved precautions for flight release and ground activity.",
                                "findings": [
                                    {
                                        "id": "authorised-status",
                                        "name": "Authorised status",
                                        "description": "Record the responsible military airworthiness authority, applicable release evidence and approved ground-safety documentation for hazards such as ejection systems and installed stores; a generic certification label is insufficient.",
                                        "questions": [
                                            {
                                                "text": "Which authority and dated release documents establish the aircraft's authorised status and restrictions?",
                                                "kind": "provenance",
                                                "id": "authorised-status-q01"
                                            },
                                            {
                                                "text": "Which approved Typhoon instructions and qualified personnel are required for the proposed ground or maintenance activity?",
                                                "kind": "action",
                                                "id": "authorised-status-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, with no sources consulted; dimensions and performance figures should be checked against the relevant configuration.",
                                            "Production tranche, national designation and operational capability are different classifications; upgrades can change the capabilities of a particular aircraft.",
                                            "The variants listed are not exhaustive; applicable airworthiness requirements, current production standards and weapon clearances need verification."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of Eurofighter Typhoon 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": [
                                            "Single-seat operational aircraft",
                                            "Two-seat aircraft used for conversion training and operational tasks",
                                            "Tranche 1 production aircraft",
                                            "Tranche 2 production aircraft",
                                            "Tranche 3 production aircraft"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of Eurofighter Typhoon 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": "ICAO aircraft type designator",
                                                "value_or_pattern": "EUFI",
                                                "note": "Identifies the aircraft type in aviation systems, not an individual airframe."
                                            },
                                            {
                                                "scheme": "UK military aircraft designation",
                                                "value_or_pattern": "Typhoon FGR4; Typhoon T3",
                                                "note": "RAF designations for single-seat and two-seat versions respectively; these do not cover every national configuration."
                                            },
                                            {
                                                "scheme": "Military aircraft serial number",
                                                "value_or_pattern": "National military serial assigned to each airframe",
                                                "note": "Format depends on the operating country; manufacturer construction numbers provide a separate identity."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-identifiers-q01",
                                                "text": "Which of these identifiers and schemes hold for the sense of Eurofighter Typhoon 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": [
                                            "Air policing and quick-reaction alert interception",
                                            "Air superiority and defensive counter-air operations",
                                            "Precision attacks on ground targets using integrated weapons",
                                            "Armed reconnaissance with suitable sensors and stores",
                                            "Pilot conversion and continuation training"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of Eurofighter Typhoon 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 15.96",
                                                "unit": "m"
                                            },
                                            {
                                                "quantity": "Wingspan",
                                                "typical_range": "Approximately 10.95",
                                                "unit": "m"
                                            },
                                            {
                                                "quantity": "Overall height",
                                                "typical_range": "Approximately 5.28",
                                                "unit": "m"
                                            },
                                            {
                                                "quantity": "Maximum takeoff mass",
                                                "typical_range": "Approximately 23500",
                                                "unit": "kg"
                                            },
                                            {
                                                "quantity": "Rated thrust per EJ200 engine with afterburner",
                                                "typical_range": "Approximately 90",
                                                "unit": "kN"
                                            },
                                            {
                                                "quantity": "Maximum speed at altitude",
                                                "typical_range": "Approximately 2",
                                                "unit": "Mach"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of Eurofighter Typhoon 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": [
                                            "Foreign-object ingestion, bird strikes or engine faults can cause thrust loss or fire.",
                                            "Failures affecting flight-control computers, sensors, electrical power or actuators can compromise control; the aircraft depends on digital fly-by-wire control.",
                                            "High acceleration can cause pilot incapacitation, including G-induced loss of consciousness.",
                                            "Fatigue, corrosion and impact damage require inspection and can limit structural service life.",
                                            "Engine intakes, hot exhaust, live weapons and pyrotechnic escape equipment create ground-handling hazards."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of Eurofighter Typhoon 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": [
                                            "National fleets differ in integrated weapons, communications equipment, software and upgrade histories.",
                                            "The United Kingdom uses role-and-mark designations such as FGR4, while other operators use their own designation and serial conventions.",
                                            "Military airworthiness oversight and release-to-service arrangements depend on the operating nation."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-regional-variation-q01",
                                                "text": "Which of these regional variation hold for the sense of Eurofighter Typhoon 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": "Individual Eurofighter Typhoon airframe",
                                                "difference": "An airframe has a unique serial, maintenance history and configuration; this entry describes the aircraft design family."
                                            },
                                            {
                                                "name": "British Aerospace EAP",
                                                "difference": "EAP was an experimental technology demonstrator that informed development, rather than an operational Typhoon variant."
                                            },
                                            {
                                                "name": "Panavia Tornado",
                                                "difference": "Tornado is a separate variable-sweep-wing combat aircraft family; Typhoon uses a fixed delta wing and foreplanes."
                                            },
                                            {
                                                "name": "Dassault Rafale",
                                                "difference": "Rafale is a separate French combat aircraft family, despite sharing the twin-engine canard-delta arrangement."
                                            },
                                            {
                                                "name": "Hawker Typhoon",
                                                "difference": "The Hawker Typhoon is a Second World War piston-engine aircraft unrelated to the Eurofighter design."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Eurofighter Typhoon this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does an existing Vercy world model already cover Eurofighter Typhoon, requiring this registry entry to link to it instead of creating another publication?",
                "Which authoritative crosswalk resolves national designations, tranches, blocks and upgrade packages without implying uniform capabilities?",
                "Which configuration-qualified sources establish dimensions, mass limits, fuel capacities and approved performance envelopes?",
                "Which current acceptance records establish radar, PIRATE, defensive-system and external-equipment applicability across operator configurations?",
                "Which operator-approved sources establish military airworthiness requirements, maintenance intervals, life limits, consumables, safety provisions and documented recurring failure modes?"
            ],
            "statistics": {
                "bundles": 6,
                "layers": 11,
                "findings": 18,
                "questions": 28
            }
        },
        "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 Eurofighter Typhoon, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise the Eurofighter Typhoon aircraft family, distinguish its configuration-dependent capabilities, and determine what evidence is needed to assess an associated airframe's condition and authorised 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: Typhoon T, Typhoon DA, Typhoon IPA, Typhoon Tranche 1, Typhoon Tranche 2, Typhoon S.",
                "6 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 67 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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": [
                        "Typhoon T",
                        "Typhoon DA",
                        "Typhoon IPA",
                        "Typhoon Tranche 1",
                        "Typhoon Tranche 2",
                        "Typhoon S"
                    ]
                }
            ],
            "standing": "Described in 67 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 6 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 Eurofighter Typhoon from another, and a Eurofighter Typhoon 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 Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon 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 Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon 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 Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon is built from and which parts are replaceable.",
                                        "questions": [
                                            {
                                                "id": "parts-and-materials-q01",
                                                "text": "What identifies and describes the composition of a Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon is judged and by whom.",
                                        "questions": [
                                            {
                                                "id": "condition-assessment-q01",
                                                "text": "What identifies and describes the condition of a Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon 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 Eurofighter Typhoon is, and what that position is measured against.",
                                        "questions": [
                                            {
                                                "id": "position-and-frame-q01",
                                                "text": "What identifies and describes the location of a Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon 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 Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon 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 Eurofighter Typhoon between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a Eurofighter Typhoon 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 Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon 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 Eurofighter Typhoon is for, and what it is used for anyway.",
                                "findings": [
                                    {
                                        "id": "function-and-purpose",
                                        "name": "Function, purpose and misuse",
                                        "description": "The function a Eurofighter Typhoon performs and the uses that fall outside it.",
                                        "questions": [
                                            {
                                                "id": "function-and-purpose-q01",
                                                "text": "What identifies and describes the use of a Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon.",
                                "findings": [
                                    {
                                        "id": "procedures-and-skills",
                                        "name": "Procedures, skills and required tools",
                                        "description": "What an agent needs before it can act on a Eurofighter Typhoon at all.",
                                        "questions": [
                                            {
                                                "id": "procedures-and-skills-q01",
                                                "text": "What identifies and describes handling a Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon 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 Eurofighter Typhoon and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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 Eurofighter Typhoon is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a Eurofighter Typhoon, 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 Eurofighter Typhoon, 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 Eurofighter Typhoon 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
            }
        }
    }
}