{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T09:48:30Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 18.3, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a09503-53cf-7810-897c-2919b2ce5d00\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: Fokker F.IV\nSense to describe: (none recorded)\nDomain code: PHY.OBJ\nAlso known as: (none)\n\n\nContext for this batch of 1001 things:\n# Batch 043: 1001 reg", "usd": 0.0, "recall": true }, "codex": { "seconds": 92.5, "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: 01a09503-53c2-7d02-871b-95b1d2eccc98\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: Fokker F.IV\nRegistry id: vr.tr.fokker-f-iv\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\n" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:50:46+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:26+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q1435260", "registryId": "vr.tr.fokker-f-iv", "name": "Fokker F.IV", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q1435260/", "model": { "registry_id": "vr.tr.fokker-f-iv", "name": "Fokker F.IV", "purpose": "Enable an agent to recognise the Fokker F.IV aircraft design, distinguish its documented configurations, and assess which comparisons or interventions the available evidence supports.", "definition": "The Fokker F.IV was an early-1920s Dutch single-engine, high-wing transport monoplane, two examples of which were built for the United States Army Air Service as the Fokker T-2.", "scope_statement": "This model owns the aircraft-type identity of Fokker F.IV, registry entry vr.tr.fokker-f-iv in PHY / PHY.OBJ, including relationships to military designations and configuration-dependent characteristics; individual airframes supply evidence rather than define universal type properties.", "in_scope": [ "F.IV design identity and documented designation relationships", "Airframe architecture and recognition criteria", "Propulsion, fuel, controls and crew arrangements", "Transport, record-flight and ambulance configuration differences", "Configuration-specific performance evidence and preservation requirements" ], "out_of_scope": [ "General principles shared by all powered aircraft", "Other Fokker aircraft designs with similar names", "Individual airframe ownership, accession and maintenance histories", "Biographies of designers, pilots and military personnel", "Flight records as independently modelled historical events", "Standalone models of engines, medical equipment and aviation regulations" ], "distinguishing_features": [ "Require an explicit documentary connection to F.IV: the American T-2 designation is associated with this design, but an unqualified T-2 label is insufficient identification. [Fokker history](https://www.fokker-history.com/en-gb/f-iv)", "Check the high-wing, elongated cabin-fuselage arrangement against an identified F.IV drawing or photograph rather than relying on a generic Fokker silhouette. [Fokker history](https://www.fokker-history.com/en-gb/f-iv)", "Distinguish intended passenger accommodation from realised service configuration: the documented twelve-passenger design does not establish airline passenger operation. [Fokker history](https://www.fokker-history.com/en-gb/f-iv)", "Treat the A-2 ambulance designation and modified record-flight T-2 as configuration relationships requiring airframe attribution, rather than interchangeable descriptions of every F.IV. [Fokker history](https://www.fokker-history.com/en-gb/f-iv)" ], "characteristics": [ { "name": "Designation relationship", "kind": "relation", "unit_or_values": "F.IV design identity linked to documented service designation, airframe and date", "why_it_matters": "Prevents military labels and aircraft-type names from creating duplicate or incorrectly merged models." }, { "name": "Configuration role", "kind": "category", "unit_or_values": "proposed passenger transport; delivered military transport; record-flight conversion; ambulance conversion; preserved presentation; unresolved", "why_it_matters": "Determines which accommodation, equipment and performance claims apply." }, { "name": "Airframe geometry", "kind": "measurement", "unit_or_values": "span, length and height in m; wing area in m²; configuration and source required", "why_it_matters": "Supports identification, scale checking and handling assessments without mixing incompatible specifications." }, { "name": "Structural construction", "kind": "category", "unit_or_values": "documented materials and construction methods for wing, fuselage, covering and landing gear", "why_it_matters": "Connects identification and conservation decisions to the actual construction." }, { "name": "Installed propulsion", "kind": "relation", "unit_or_values": "engine model, manufacturer, propeller and installation revision linked to configuration", "why_it_matters": "Separates an engine-family association from the exact installation supporting a performance claim." }, { "name": "Rated engine output", "kind": "measurement", "unit_or_values": "kW, with original hp convention, engine speed and rating conditions retained", "why_it_matters": "Makes historical power figures comparable without silently assuming their measurement basis." }, { "name": "Fuel installation", "kind": "measurement", "unit_or_values": "tank capacities and usable fuel in L; original gallon convention, locations and configuration retained", "why_it_matters": "Record-flight modifications can change endurance, cabin availability and mass distribution." }, { "name": "Loading envelope", "kind": "measurement", "unit_or_values": "empty mass, loaded mass and payload in kg; centre-of-gravity limits in source-defined coordinates", "why_it_matters": "Prevents exceptional flight loading from being treated as an ordinary operating allowance." }, { "name": "Occupant accommodation", "kind": "measurement", "unit_or_values": "crew, passenger and stretcher counts recorded separately by configuration", "why_it_matters": "Avoids combining mutually exclusive transport, medical and endurance arrangements." }, { "name": "Performance evidence", "kind": "measurement", "unit_or_values": "speed in km/h, range in km, endurance in h and altitude in m, with load and test conditions", "why_it_matters": "Distinguishes measured flight results from nominal specifications and estimates." }, { "name": "Intervention eligibility", "kind": "state", "unit_or_values": "unknown; documented for display; documented for handling; separately authorised for engine operation or flight", "why_it_matters": "A preserved example's appearance or historical capability does not establish present operational suitability." } ], "affordances": [ "Identify a candidate F.IV representation using designation evidence and configuration-specific visual features.", "Reconcile F.IV, T-2 and A-2 references while retaining airframe and date distinctions.", "Compare specifications only after matching configuration, units and measurement conditions.", "Explain how a documented conversion changes accommodation, fuel capacity and loading.", "Flag unsupported extrapolations from record flights to ordinary transport performance.", "Prepare an evidence-based inspection or conservation brief for a linked specimen." ], "agent_conduct": { "may": [ "Describe the type's design and its role in early long-distance flight history.", "Support museums in cataloguing and conserving surviving aircraft." ], "must_not": [ "Damage, alter or remove parts from a preserved historic aircraft without its custodian's approval.", "Present uncertain or contested records as established fact.", "Attempt to operate a museum airframe that is not certified to fly." ], "requires_human": [ "Any conservation intervention or loan of a preserved airframe." ] }, "ethics": { "considerations": [ "Historic aircraft are irreplaceable and record the work and risks of early aviators." ], "affected_parties": [ "Museums and their visitors", "Aviation historians" ] }, "owners": { "steward": "The museum or collection that holds a surviving example; nobody owns the design history.", "master_systems": [] }, "visual_identification": [ "A high, thick cantilever wing set on top of a slab-sided fuselage.", "A single nose-mounted engine and an open cockpit beside the leading edge of the wing." ], "failure_modes_and_hazards": [ "Fabric, wood and glue in aged airframes deteriorate and can collapse if handled roughly.", "Historic paints and materials may contain lead or other hazards for conservators." ], "what_it_is_for": [ "This early transport aircraft was developed for carrying people and cargo and was evaluated by the United States Army Air Service.", "It is encountered in aviation history, museum interpretation and studies of early long-distance flight and transport aircraft development." ], "facets_not_applicable": { "interfaces": "No design-specific standard or applicable historical regulatory instrument can be confidently identified for this aircraft." } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q1435260: Fokker F.IV", "url": "https://www.wikidata.org/wiki/Q1435260", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Fokker F.IV", "url": "https://en.wikipedia.org/wiki/Fokker_F.IV", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "identity-and-designation", "name": "Identity and designation", "description": "Establish what belongs to the F.IV design and how differently labelled records relate to it.", "rationale": "Military redesignations and the very small production history make type, conversion and specimen easy to conflate.", "layers": [ { "id": "type-boundary", "name": "Type boundary", "description": "Anchor the registry entry to a documented aircraft design.", "findings": [ { "id": "f-iv-identification", "name": "F.IV identification", "description": "Require documentary identification alongside visual resemblance.", "questions": [ { "text": "Which manufacturer drawing, catalogue or military acceptance record explicitly identifies this design as F.IV?", "kind": "provenance", "id": "f-iv-identification-q01" }, { "text": "Which features distinguish F.IV from adjacent Fokker transport designs in an uncaptioned image?", "kind": "boundary", "id": "f-iv-identification-q02" } ] } ] }, { "id": "designation-crosswalk", "name": "Designation crosswalk", "description": "Relate design names, service names and individual aircraft identifiers.", "findings": [ { "id": "military-name-mapping", "name": "Military name mapping", "description": "Represent designation changes as evidenced relationships with explicit applicability.", "questions": [ { "text": "Which records establish the mapping between F.IV and the U.S. Army T-2 designation?", "kind": "provenance", "id": "military-name-mapping-q01" }, { "text": "Does each A-2 reference identify a particular converted F.IV airframe, and what date bounds that usage?", "kind": "boundary", "id": "military-name-mapping-q02" } ] } ] } ] }, { "id": "airframe-recognition", "name": "Airframe recognition", "description": "Capture the geometry and construction needed to recognise and interpret an F.IV airframe.", "rationale": "Overall resemblance is insufficient when photographs show different aircraft, modifications or restorations.", "layers": [ { "id": "geometry-and-silhouette", "name": "Geometry and silhouette", "description": "Compare externally visible proportions against identified reference material.", "findings": [ { "id": "configuration-specific-outline", "name": "Configuration-specific outline", "description": "Record wing, cabin, cockpit and undercarriage features without promoting specimen details to universal characteristics.", "questions": [ { "text": "What span, fuselage length and wing geometry are supported by dimensioned F.IV drawings?", "kind": "measurement", "id": "configuration-specific-outline-q01" }, { "text": "Which window, cockpit and landing-gear differences identify an airframe or modification rather than a different aircraft type?", "kind": "boundary", "id": "configuration-specific-outline-q02" } ] } ] }, { "id": "construction-and-load-paths", "name": "Construction and load paths", "description": "Identify the structural assemblies behind the visible outline.", "findings": [ { "id": "structural-evidence", "name": "Structural evidence", "description": "Establish construction materials, joints and attachment arrangements from technical or physical evidence.", "questions": [ { "text": "What evidence establishes the F.IV wing's internal construction and its attachment to the fuselage?", "kind": "provenance", "id": "structural-evidence-q01" }, { "text": "Which fuselage, covering and undercarriage components require separate condition assessment before moving a surviving assembly?", "kind": "action", "id": "structural-evidence-q02" } ] } ] } ] }, { "id": "propulsion-and-flight-systems", "name": "Propulsion and flight systems", "description": "Describe the installed powerplant and the systems through which crews sustained and controlled flight.", "rationale": "Engine identification alone cannot explain configuration-dependent endurance or crew operation.", "layers": [ { "id": "engine-and-consumables", "name": "Engine and consumables", "description": "Establish the exact engine installation and its supporting systems.", "findings": [ { "id": "powerplant-installation", "name": "Powerplant installation", "description": "Link engine ratings, propeller and consumable requirements to dated installation evidence.", "questions": [ { "text": "Which engine model, manufacturer and rated output are documented for each F.IV configuration?", "kind": "provenance", "id": "powerplant-installation-q01" }, { "text": "What fuel, lubrication and cooling arrangements supported that installation, and which changed during conversion?", "kind": "definition", "id": "powerplant-installation-q02" } ] } ] }, { "id": "crew-controls-and-fuel-management", "name": "Crew controls and fuel management", "description": "Trace how crew stations, controls and fuel arrangements differ across configurations.", "findings": [ { "id": "operating-arrangement", "name": "Operating arrangement", "description": "Require evidence for crew access, control duplication and fuel-system operation.", "questions": [ { "text": "How were pilot stations, control linkages and instruments arranged before and after the record-flight modification?", "kind": "definition", "id": "operating-arrangement-q01" }, { "text": "What documented procedures governed tank selection or transfer, and what evidence identifies their failure consequences?", "kind": "action", "id": "operating-arrangement-q02" } ] } ] } ] }, { "id": "mission-conversions-and-loading", "name": "Mission conversions and loading", "description": "Separate intended accommodation from the physical arrangements used for transport, endurance and medical roles.", "rationale": "A single blended specification would incorrectly combine capacities belonging to different F.IV configurations.", "layers": [ { "id": "cabin-use", "name": "Cabin use", "description": "Identify what the cabin could contain in each evidenced arrangement.", "findings": [ { "id": "accommodation-by-role", "name": "Accommodation by role", "description": "Distinguish design proposals, installed equipment and demonstrated use.", "questions": [ { "text": "Which seating plans establish proposed passenger accommodation, and which records establish actual carriage?", "kind": "provenance", "id": "accommodation-by-role-q01" }, { "text": "What stretcher positions, attendant accommodation and loading access are documented for the ambulance conversion?", "kind": "measurement", "id": "accommodation-by-role-q02" } ] } ] }, { "id": "conversion-mass-and-balance", "name": "Conversion mass and balance", "description": "Account for equipment and fuel changes that alter usable space and loading.", "findings": [ { "id": "endurance-loading-effects", "name": "Endurance loading effects", "description": "Associate endurance modifications with their mass, location and operational consequences.", "questions": [ { "text": "What additional fuel capacity and equipment mass are documented for each record-flight configuration?", "kind": "measurement", "id": "endurance-loading-effects-q01" }, { "text": "Which loading records establish centre-of-gravity constraints, and do exceptional record attempts fall outside ordinary transport loading?", "kind": "boundary", "id": "endurance-loading-effects-q02" } ] } ] } ] }, { "id": "performance-and-preservation", "name": "Performance and preservation", "description": "Control how historical performance and surviving material inform present decisions.", "rationale": "A record-setting configuration and a restored museum specimen each provide evidence with different limits.", "layers": [ { "id": "performance-applicability", "name": "Performance applicability", "description": "Attach conditions and configuration to every numerical capability claim.", "findings": [ { "id": "specification-versus-achievement", "name": "Specification versus achievement", "description": "Keep design estimates, acceptance measurements and particular flight results distinct.", "questions": [ { "text": "Which F.IV speed, range and endurance figures are estimates, controlled test results or achievements of a particular modified aircraft?", "kind": "boundary", "id": "specification-versus-achievement-q01" }, { "text": "What load, fuel quantity, weather, route and measurement method accompanied each reported result?", "kind": "measurement", "id": "specification-versus-achievement-q02" } ] } ] }, { "id": "surviving-material-and-action", "name": "Surviving material and action", "description": "Use restoration evidence and current specimen assessments to bound physical interventions.", "findings": [ { "id": "authenticity-and-intervention", "name": "Authenticity and intervention", "description": "Separate evidence of historical configuration from evidence of present structural or operational fitness.", "questions": [ { "text": "Which surviving F.IV components are original, repaired or replaced, and which historical configuration does the restoration represent?", "kind": "provenance", "id": "authenticity-and-intervention-q01" }, { "text": "What specimen-specific inspection and authorisation are required before handling, engine operation or flight can be considered?", "kind": "action", "id": "authenticity-and-intervention-q02" }, { "text": "Which historical military acceptance requirements applied, and which present requirements would govern a proposed intervention?", "kind": "boundary", "id": "authenticity-and-intervention-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; no sources were consulted.", "Check dimensions, engine specifications, payload and performance against historical technical records before adding numerical measurements.", "The hazards listed are general to single-engine transport aircraft and are not claims about documented F.IV accidents or defects." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of Fokker F.IV 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 model designation", "value_or_pattern": "Fokker F.IV", "note": "Identifies the aircraft design, not an individual airframe." }, { "scheme": "United States Army aircraft designation", "value_or_pattern": "T-2", "note": "Military designation used for the F.IV transport." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of Fokker F.IV 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": [ "Transport evaluation by the United States Army Air Service.", "Long-distance flight demonstrations, including the first nonstop coast-to-coast flight across the United States in 1923." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of Fokker F.IV 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": [ "Failure of the sole engine requires an unpowered landing.", "Fuel exhaustion is a critical hazard during long-distance flight.", "Excess weight or improper load distribution can compromise takeoff performance and stability." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of Fokker F.IV 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": [ "The Dutch manufacturer designation F.IV and the United States military designation T-2 refer to the same underlying aircraft design." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of Fokker F.IV 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": "Fokker T-2", "difference": "An alternative military designation for this design, not a separate aircraft type to model independently." }, { "name": "Fokker F.III", "difference": "A separate, earlier Fokker transport design; the F.IV was a larger aircraft." }, { "name": "Fokker F.IV airframe", "difference": "An individual manufactured aircraft with its own service history, whereas Fokker F.IV denotes the design." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of Fokker F.IV this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "What primary factory and military records conclusively map construction numbers, service serials and designation changes for the F.IV airframes?", "Which published dimensions, engine ratings and weights describe the original design, a delivered aircraft or a later conversion?", "What exact control-station, tank and fuel-management modifications were installed for each endurance or distance attempt?", "What accommodation and operational use are demonstrated for the ambulance conversion beyond its designation?", "Which surviving components preserve original construction, and what documented requirements support any proposed physical intervention?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 16, "questions": 27 } }