{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T12:00:05Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 18.9, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a0957c-05dc-7b92-b8fe-ce7bd05c6292\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: Percival Pembroke\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 044: 10", "usd": 0.0, "recall": true }, "codex": { "seconds": 77.6, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a0957c-05dc-7511-9914-aca047e668b3\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Percival Pembroke\nRegistry id: vr.tr.percival-pembroke\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entr" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:43:02+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:31+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q539354", "registryId": "vr.tr.percival-pembroke", "name": "Percival Pembroke", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q539354/", "model": { "registry_id": "vr.tr.percival-pembroke", "name": "Percival Pembroke", "purpose": "Enable an agent to recognise the Percival Pembroke aircraft type, distinguish its configurations, and identify the evidence needed to assess an example's condition and permissible use.", "definition": "The Percival Pembroke is a British twin-engined, piston-powered, high-wing military light transport aircraft type developed from the Percival Prince and used for communications, transport and photographic reconnaissance.", "scope_statement": "This model owns the type-specific recognition criteria, configuration distinctions and assessment requirements for Percival Pembroke under vr.tr.percival-pembroke in PHY / PHY.OBJ; individual aircraft supply evidence against these requirements.", "in_scope": [ "Pembroke type identity and boundaries against related Percival aircraft", "Variant, operator and modification applicability", "Transport, communications, training and photographic configurations", "Configuration-specific dimensions, loading and operating limitations", "Structural condition, maintenance evidence and preservation status" ], "out_of_scope": [ "Independent models of individual aircraft and their complete service histories", "Percival Prince and Sea Prince type specifications", "General aerodynamics and pilot training curricula", "Standalone engine, propeller, camera and radio equipment models", "Operator organisation histories and reconnaissance mission intelligence" ], "distinguishing_features": [ "Require documentary identification as Pembroke, corroborated by manufacturer or service records; visual resemblance to another Percival aircraft is insufficient.", "Distinguish the Pembroke from its Prince predecessor through the longer-wing development intended for increased all-up weight. [RAF Museum](https://www.rafmuseum.org.uk/research/collections/hunting-percival-pembroke-c1/)", "Treat rearward-facing passenger seating as supporting evidence for an RAF transport configuration, not a universal identification requirement. [RAF Museum](https://www.rafmuseum.org.uk/research/collections/hunting-percival-pembroke-c1/)", "Distinguish transport, training and photographic installations through equipment and modification records rather than treating a changed cabin role as a different aircraft type." ], "characteristics": [ { "name": "Documented type and variant", "kind": "category", "unit_or_values": "Recorded Pembroke designation, supported by an identified document; unresolved", "why_it_matters": "Determines which specifications and instructions apply." }, { "name": "Identity corroboration", "kind": "relation", "unit_or_values": "Links between manufacturer identification, construction number, service serial and civil registration", "why_it_matters": "Prevents a paint scheme or reused registration from establishing identity alone." }, { "name": "Installed role configuration", "kind": "category", "unit_or_values": "Transport; communications; pilot training; navigation or signalling training; photographic reconnaissance; other documented conversion; unknown", "why_it_matters": "Controls cabin interpretation, equipment requirements and loading assessment." }, { "name": "Airframe dimensions", "kind": "measurement", "unit_or_values": "Wingspan, length and height in m, qualified by variant and configuration", "why_it_matters": "Supports identification, hangar accommodation and movement planning." }, { "name": "Mass and balance limits", "kind": "measurement", "unit_or_values": "Mass in kg; centre of gravity in the applicable manual's datum convention", "why_it_matters": "Connects seating, equipment and fuel configuration to documented loading limits." }, { "name": "Engine and propeller installation", "kind": "relation", "unit_or_values": "Installed component models and modification states linked to applicable Pembroke documentation", "why_it_matters": "Prevents assumptions that all examples share interchangeable powerplant installations." }, { "name": "Structural life evidence", "kind": "state", "unit_or_values": "Modification embodied; not embodied; applicability unresolved; supporting records incomplete", "why_it_matters": "Separates verified structural status from an aircraft's external appearance." }, { "name": "Preservation and operating status", "kind": "state", "unit_or_values": "Static exhibit; stored; restoration underway; ground-operation status documented; flight status documented; unknown", "why_it_matters": "Makes proposed actions depend on current evidence rather than historic serviceability." } ], "affordances": [ "Compare a candidate aircraft's records and visible configuration with Pembroke identification criteria.", "Select the applicable variant documentation and flag unsupported transfers of specifications.", "Evaluate whether a documented cabin installation supports a proposed transport, training or photographic role.", "Identify missing loading, maintenance or structural-life evidence before referring an operational decision to qualified personnel.", "Prepare a configuration-aware preservation, inspection or restoration research brief." ], "agent_conduct": { "may": [ "Describe the Percival Pembroke, its variants and service, citing archives.", "Identify the type in photographs and records." ], "must_not": [ "Fly or restore an airframe without airworthiness approval.", "Misattribute parts or histories to raise value.", "Disturb crash sites in breach of law.", "Invent service histories." ], "requires_human": [ "Handling artefacts from crash sites." ] }, "ethics": { "considerations": [ "Historic aircraft are heritage.", "Crash sites may hold remains." ], "affected_parties": [ "Families of crews", "Museums" ] }, "owners": { "steward": "Museums and collectors who hold surviving aircraft; aviation authorities register any that fly.", "master_systems": [ "Civil aircraft registers" ] }, "what_it_is_for": [ "This aircraft family was used for military liaison, light transport and photographic reconnaissance.", "Surviving examples are encountered in museums, preservation collections and historic aviation, where configuration and service records support identification." ], "standards_and_regulation": [ "The Air Navigation Order 2016, made by the United Kingdom in Council, provides an applicable legal framework for examples operated as civil aircraft in the United Kingdom.", "Annex 7 to the Convention on International Civil Aviation, issued by the International Civil Aviation Organization, specifies nationality and registration marking standards relevant to civil-registered examples." ], "visual_identification": [ "A high-mounted wing carries two piston engines with propellers, distinguishing the general layout from low-wing transports and jet aircraft.", "A boxy cabin fuselage, conventional single fin and retractable tricycle landing gear provide additional recognition cues.", "The extended wingspan relative to its closely related predecessor helps distinguish the type when dimensions or reliable comparison views are available." ], "failure_modes_and_hazards": [ "Age-related corrosion, fatigue and deterioration can compromise structural or system integrity.", "Moving propellers and operating engines present severe injury hazards to nearby people.", "Fuel leaks and degraded electrical systems can cause fire and property damage.", "Incomplete maintenance or modification records can undermine an assessment of airworthiness." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q539354: Percival Pembroke", "url": "https://www.wikidata.org/wiki/Q539354", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Percival Pembroke", "url": "https://en.wikipedia.org/wiki/Percival_Pembroke", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "pembroke-identity", "name": "Pembroke identity and family boundary", "description": "Establish what qualifies as a Pembroke and how examples relate to its type-level identity.", "rationale": "Related Percival designs and changing manufacturer labels make resemblance and naming alone insufficient.", "layers": [ { "id": "family-boundary", "name": "Family boundary", "description": "Separate the Pembroke from neighbouring Percival aircraft types.", "findings": [ { "id": "prince-development-boundary", "name": "Prince development boundary", "description": "Use the documented longer-wing, increased-weight development from the Prince as a family distinction, while requiring authoritative identification. [RAF Museum](https://www.rafmuseum.org.uk/research/collections/hunting-percival-pembroke-c1/)", "questions": [ { "text": "Which documentary designation establishes that the candidate is a Pembroke rather than a Prince or Sea Prince?", "kind": "definition", "id": "prince-development-boundary-q01" }, { "text": "Which drawing or specification establishes the relevant wing and weight differences?", "kind": "boundary", "id": "prince-development-boundary-q02" } ] } ] }, { "id": "identity-records", "name": "Identity records", "description": "Connect type membership to traceable identification evidence.", "findings": [ { "id": "serial-and-variant-corroboration", "name": "Serial and variant corroboration", "description": "Require agreement between construction identity, recorded variant and service or registration history; keep markings as separately assessed evidence.", "questions": [ { "text": "Which manufacturer or operator record links this construction number to a Pembroke variant?", "kind": "provenance", "id": "serial-and-variant-corroboration-q01" }, { "text": "Do current markings represent this aircraft's identity, a former identity or a display interpretation?", "kind": "boundary", "id": "serial-and-variant-corroboration-q02" } ] } ] } ] }, { "id": "role-and-cabin", "name": "Role and cabin configuration", "description": "Represent the Pembroke's alternative mission installations and their physical consequences.", "rationale": "A transport cabin, flying classroom and photographic installation create different recognition and assessment requirements.", "layers": [ { "id": "transport-installation", "name": "Transport installation", "description": "Describe seating, access and payload arrangements for the documented transport configuration.", "findings": [ { "id": "passenger-layout-evidence", "name": "Passenger layout evidence", "description": "Record seat orientation, installed places and restraint evidence without treating one preserved cabin as the type-wide standard.", "questions": [ { "text": "Which approved layout establishes the seat count, orientation and restraint arrangement for this configuration?", "kind": "provenance", "id": "passenger-layout-evidence-q01" }, { "text": "What passenger and baggage loading limits apply to that layout?", "kind": "measurement", "id": "passenger-layout-evidence-q02" } ] } ] }, { "id": "special-role-installations", "name": "Special-role installations", "description": "Distinguish training and photographic equipment from the basic transport arrangement.", "findings": [ { "id": "training-and-photographic-fit", "name": "Training and photographic fit", "description": "The type supported pilot-training, classroom and photographic roles; record the installation actually evidenced for a variant or example. [RAF Museum](https://www.rafmuseum.org.uk/research/collections/hunting-percival-pembroke-c1/)", "questions": [ { "text": "What records establish dual controls, classroom stations or photographic equipment for the configuration being modelled?", "kind": "provenance", "id": "training-and-photographic-fit-q01" }, { "text": "Which structural alterations, electrical demands and mass changes accompany that installation?", "kind": "boundary", "id": "training-and-photographic-fit-q02" } ] } ] } ] }, { "id": "installed-systems", "name": "Installed systems and controls", "description": "Bind powerplant and aircraft-system assessment to the actual Pembroke configuration.", "rationale": "Safe interpretation requires installation-specific documentation rather than generic aircraft component knowledge.", "layers": [ { "id": "powerplant-applicability", "name": "Powerplant applicability", "description": "Identify the documented engine and propeller combination and its supporting requirements.", "findings": [ { "id": "engine-propeller-record", "name": "Engine and propeller record", "description": "Treat component models, approved combinations, servicing requirements and limitations as facts to establish from applicable technical records.", "questions": [ { "text": "Which engine and propeller models are documented for this Pembroke variant and modification state?", "kind": "definition", "id": "engine-propeller-record-q01" }, { "text": "Which approved instructions specify fuel, lubricant and operating limits for the installed combination?", "kind": "provenance", "id": "engine-propeller-record-q02" } ] } ] }, { "id": "controls-and-indications", "name": "Controls and indications", "description": "Interpret cockpit and ground-system states using the correct configuration documentation.", "findings": [ { "id": "configuration-specific-system-states", "name": "Configuration-specific system states", "description": "Identify how the applicable Pembroke manual describes flight controls, landing gear, flaps, fuel selection and warning indications, including any training-control differences.", "questions": [ { "text": "Which cockpit indications and physical checks establish the documented state of these systems?", "kind": "definition", "id": "configuration-specific-system-states-q01" }, { "text": "Which interlocks or warnings are documented, and which would otherwise be unsupported assumptions?", "kind": "boundary", "id": "configuration-specific-system-states-q02" }, { "text": "What configuration-specific instructions must qualified personnel consult before a ground function check?", "kind": "action", "id": "configuration-specific-system-states-q03" } ] } ] } ] }, { "id": "loading-and-performance", "name": "Loading and operating envelope", "description": "Connect Pembroke dimensions, mass distribution and performance evidence to a defined configuration.", "rationale": "The type's transport role and alternative cabin fits make isolated headline capacities inadequate.", "layers": [ { "id": "geometry-and-loading", "name": "Geometry and loading", "description": "Establish spatial dimensions and configuration-dependent loading constraints.", "findings": [ { "id": "configuration-mass-balance", "name": "Configuration mass and balance", "description": "Record authoritative dimensions and mass-and-balance data, including the effects of seating, role equipment and subsequent alterations.", "questions": [ { "text": "What dimensions and maximum permitted masses are documented for the selected variant?", "kind": "measurement", "id": "configuration-mass-balance-q01" }, { "text": "Which weighing report and equipment schedule establish the example's current empty mass and centre of gravity?", "kind": "provenance", "id": "configuration-mass-balance-q02" } ] } ] }, { "id": "performance-applicability", "name": "Performance applicability", "description": "Keep published performance tied to the conditions under which it applies.", "findings": [ { "id": "conditional-performance", "name": "Conditional performance", "description": "Require configuration, mass and environmental conditions alongside speed, range, climb and runway-performance information.", "questions": [ { "text": "Which manual revision supplies performance data for this variant and installed equipment?", "kind": "provenance", "id": "conditional-performance-q01" }, { "text": "What mass, atmospheric, runway and engine-operating assumptions accompany each value?", "kind": "measurement", "id": "conditional-performance-q02" }, { "text": "Which missing inputs prevent an agent from supporting a proposed loading or movement assessment?", "kind": "action", "id": "conditional-performance-q03" } ] } ] } ] }, { "id": "structural-life-and-use", "name": "Structural life, preservation and permitted use", "description": "Assess ageing-airframe evidence and distinguish historical capability from currently supported actions.", "rationale": "Pembroke structural-life modifications and surviving examples' differing preservation states require explicit evidence boundaries.", "layers": [ { "id": "fatigue-and-maintenance", "name": "Fatigue and maintenance", "description": "Connect structural modification history with inspection and life records.", "findings": [ { "id": "life-extension-evidence", "name": "Life-extension evidence", "description": "The RAF Museum reports fatigue-life extension modifications in 1970; applicability, embodiment and remaining life must be established separately for each example. [RAF Museum](https://www.rafmuseum.org.uk/research/collections/hunting-percival-pembroke-c1/)", "questions": [ { "text": "Which modification instructions identify affected Pembroke variants, serials and structural areas?", "kind": "provenance", "id": "life-extension-evidence-q01" }, { "text": "What records demonstrate embodiment and subsequent inspection compliance?", "kind": "provenance", "id": "life-extension-evidence-q02" }, { "text": "Which missing usage or maintenance records leave structural-life assessment unresolved?", "kind": "boundary", "id": "life-extension-evidence-q03" } ] } ] }, { "id": "preservation-and-authority", "name": "Preservation and authority", "description": "Relate current physical condition and documentary status to proposed use.", "findings": [ { "id": "action-specific-evidence", "name": "Action-specific evidence", "description": "Assess display access, towing, ground running and flight separately, accounting for removed equipment, preservation treatments and restoration changes.", "questions": [ { "text": "Which recorded alterations or preservation measures affect the proposed action on this Pembroke?", "kind": "boundary", "id": "action-specific-evidence-q01" }, { "text": "What current inspection, technical instructions and responsible-person authorisation support that action?", "kind": "action", "id": "action-specific-evidence-q02" }, { "text": "If flight is proposed, which jurisdiction and current aircraft-specific approval documents govern it?", "kind": "provenance", "id": "action-specific-evidence-q03" } ] } ] } ] }, { "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 description is based on recall, without consulted sources; dimensions and variant nomenclature should be verified before publication.", "The variant list is selective; export marks and their equipment differences require checking.", "The hazards listed are general considerations for an ageing twin-engined piston aircraft, not claims of documented Pembroke-specific defects." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of Percival Pembroke 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": [ "Pembroke C.1: RAF transport and communications variant", "Pembroke C(PR).1: RAF photographic reconnaissance variant" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of Percival Pembroke 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": "Manufacturer type designation", "value_or_pattern": "P.66", "note": "Identifies the Percival Pembroke design, rather than an individual aircraft." }, { "scheme": "British military aircraft designation", "value_or_pattern": "Pembroke C.1", "note": "Service designation for the principal RAF transport variant." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of Percival Pembroke 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": [ "Military passenger and staff transport", "Military communications and liaison flights", "Photographic reconnaissance", "Light freight carriage" ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of Percival Pembroke 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": "Wingspan", "typical_range": "Approximately 19.7", "unit": "m" }, { "quantity": "Length", "typical_range": "Approximately 14.0", "unit": "m" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of Percival Pembroke 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": [ "Loss of one engine produces asymmetric thrust and reduced climb capability.", "Airframe icing can degrade lift, handling and performance.", "Fuel or oil leaks can lead to engine malfunction or fire.", "Age-related corrosion and fatigue require inspection in surviving aircraft." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of Percival Pembroke 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": [ "British service used RAF role-and-mark designations; export operators used additional national and variant designations.", "West German aircraft included examples employed for photographic reconnaissance." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of Percival Pembroke 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": "Percival Prince", "difference": "The Prince is the preceding design from which the Pembroke was developed; the Pembroke has an increased wingspan and greater load-carrying capability." }, { "name": "Percival Sea Prince", "difference": "The Sea Prince is a naval development of the Prince associated with Royal Navy transport and training roles, rather than the Pembroke type." }, { "name": "Individual preserved Pembroke aircraft", "difference": "An individual airframe has its own serial number, service history and condition; this entry describes the aircraft type." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Percival Pembroke this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which authoritative type records establish the complete Pembroke variant list, export designations and boundaries against Prince and Sea Prince configurations?", "Which primary manuals establish engine and propeller combinations, dimensions, capacities, consumables and operating limitations for each variant?", "What were the exact scope, serial applicability and inspection consequences of the reported 1970 fatigue-life modifications?", "Which photographic and training installations were standard production configurations, approved conversions or example-specific modifications?", "Which documented failure modes, service instructions and current approval requirements apply to any surviving example proposed for operation?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 32 } }