{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T09:08:09Z", "providers": [ "Codex" ], "breadth": "recalled by Codex without web access - no source was read", "missingProviders": [], "pass": 2, "cost": { "grok": { "seconds": 23.2, "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: 01a094de-8316-7451-9e8f-5620b696af9f\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: DH.87 Hornet Moth\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: 10", "usd": 0.0, "recall": true }, "codex": { "seconds": 84.6, "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: 01a094de-832a-7b52-b2a8-c45b61afc94a\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: DH.87 Hornet Moth\nRegistry id: vr.tr.dh-87-hornet-moth\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": "2026-10-06T08:53:14+00:00", "fields": [ "agent_conduct", "ethics", "failure_modes_and_hazards", "owners", "visual_identification" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:25+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q1050504", "registryId": "vr.tr.dh-87-hornet-moth", "name": "DH.87 Hornet Moth", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q1050504/", "model": { "registry_id": "vr.tr.dh-87-hornet-moth", "name": "DH.87 Hornet Moth", "purpose": "Enable an AI agent to recognise the DH.87 Hornet Moth aircraft type, distinguish its configurations, and identify the evidence needed to assess a particular example for preservation, maintenance or operation.", "definition": "The de Havilland DH.87 Hornet Moth is a British single-engine, two-seat cabin biplane developed in the 1930s for private flying and touring, with side-by-side seating and a fixed tailwheel undercarriage.", "scope_statement": "This model owns the type-specific recognition criteria and assessment questions for vr.tr.dh-87-hornet-moth within PHY / PHY.OBJ, including DH.87A and DH.87B configurations; individual aircraft supply evidence against these criteria.", "in_scope": [ "DH.87 type identity, variant identification and documented A-to-B conversions", "Wing configuration, folding arrangements and configuration-dependent handling", "Cabin layout, loading and installed propulsion interfaces", "Type-specific inspection, restoration and equipment assessment", "Evidence connecting an example's configuration and condition to permitted activities" ], "out_of_scope": [ "The broader de Havilland Moth aircraft family", "Tiger Moth, Puss Moth and DH.103 Hornet type models", "The Gipsy Major engine's standalone design and overhaul model", "Individual aircraft ownership histories and maintenance logs as independent records", "Pilot licensing, aerodrome operations and flight planning as separate activity models" ], "distinguishing_features": [ "Match manufacturer and DH.87 designation against identification records; the word Hornet alone is insufficient.", "Check for a single-engine biplane with an enclosed, side-by-side cabin, distinguishing it from the open-cockpit Tiger Moth. [Museum aircraft overview](https://www.dehavillandmuseum.co.uk/aircraft/de-havilland-dh87b-hornet-moth/)", "Distinguish tapered, pointed DH.87A wings from the near-rectangular B configuration; record conversions separately from original build identity. [Museum configuration history](https://www.dehavillandmuseum.co.uk/aircraft/de-havilland-dh87b-hornet-moth/)", "Use folding wings and rotating undercarriage-leg fairings acting as airbrakes as supporting recognition features, subject to the example's installed configuration. [Museum design description](https://www.dehavillandmuseum.co.uk/aircraft/de-havilland-dh87b-hornet-moth/)" ], "characteristics": [ { "name": "Build identity and present variant", "kind": "relation", "unit_or_values": "Manufacturer identity, construction number, original designation, current configuration and conversion evidence", "why_it_matters": "An aircraft's original designation may differ from its present wing configuration." }, { "name": "Wing planform", "kind": "category", "unit_or_values": "A-type tapered; B-type near-rectangular; modified; unverified", "why_it_matters": "Determines which handling evidence and configuration documents require examination." }, { "name": "Wing folding readiness", "kind": "state", "unit_or_values": "Flight-position security verified; folded and secured; transition; inspection required; unknown", "why_it_matters": "Separates storage configuration from evidence of readiness for flight." }, { "name": "Wingspan", "kind": "measurement", "unit_or_values": "m; museum DH.87B reference: 9.73 m", "why_it_matters": "Supports identification and hangar clearance assessment; verify the particular configuration. [Museum specifications](https://www.dehavillandmuseum.co.uk/aircraft/de-havilland-dh87b-hornet-moth/)" }, { "name": "Installed engine and propeller", "kind": "relation", "unit_or_values": "Engine model and serial, propeller identification, installation approval and applicable limits", "why_it_matters": "Do not assume one installation across survivors: AAIB recorded a Gipsy Major 1C on G-ADNE. [AAIB report](https://assets.publishing.service.gov.uk/media/5422ea88e5274a1314000013/dft_avsafety_pdf_501937.pdf)" }, { "name": "Loaded mass and centre of gravity", "kind": "measurement", "unit_or_values": "kg and mm from the documented datum; configuration-specific permitted envelope", "why_it_matters": "Connects occupants, baggage and fuel to documented loading limits." }, { "name": "Fuel capacity and usable quantity", "kind": "measurement", "unit_or_values": "L; total, usable and measured remaining quantities distinguished", "why_it_matters": "Prevents catalogue range figures from substituting for actual fuel and consumption evidence." }, { "name": "Landing and drag-control equipment", "kind": "state", "unit_or_values": "Installed configuration and inspection state of wheel brakes, tailwheel and fairing airbrakes", "why_it_matters": "Supports assessment of ground handling and control availability." }, { "name": "Flight-envelope evidence", "kind": "relation", "unit_or_values": "Applicable manual revision, wing configuration, speed units, loading conditions and restrictions", "why_it_matters": "Keeps historical performance summaries separate from operating limitations." }, { "name": "Preservation and operating status", "kind": "state", "unit_or_values": "Static exhibit; restoration; ground-operation candidate; flight-operation candidate; unresolved", "why_it_matters": "A complete-looking restoration does not establish mechanical serviceability or operating authority." } ], "affordances": [ "Classify a documented aircraft as DH.87 and identify unresolved variant evidence.", "Compare original build configuration with present wings, propulsion and equipment.", "Assess folding and storage readiness against applicable instructions and inspection records.", "Check whether loading and performance evidence applies to the installed configuration.", "Prepare a focused inspection or restoration evidence request.", "Determine which maintenance, technical and regulatory evidence is missing before a proposed ground run or flight." ], "agent_conduct": { "may": [ "Describe the Hornet Moth, its history and surviving examples from reliable sources.", "Report an aircraft's registration and airworthiness status from the official register.", "Support preservation and museum records of the type." ], "must_not": [ "Fly or move an aircraft without the owner's authority and a valid airworthiness certificate.", "Return an aircraft to service after maintenance without a qualified sign-off.", "Misrepresent an aircraft's history, originality or airworthiness in a sale.", "Approach or touch a running propeller or let others do so." ], "requires_human": [ "Certifying the aircraft as airworthy or approving modifications." ] }, "ethics": { "considerations": [ "Vintage aircraft carry pilots and passengers with older safety standards.", "Surviving examples are aviation heritage." ], "affected_parties": [ "Pilots and passengers", "People on the ground", "Restorers and owners" ] }, "owners": { "steward": "The registered owner or operator; the civil aviation authority keeps the aircraft register.", "master_systems": [ "National civil aircraft register" ] }, "visual_identification": [ "A small biplane with a fully enclosed cabin and side-by-side seats.", "Fabric-covered wings with a fixed tailwheel undercarriage." ], "failure_modes_and_hazards": [ "Ageing wooden and fabric structures can deteriorate unseen.", "Tailwheel aircraft can ground-loop on landing." ], "what_it_is_for": [ "This aircraft type was developed for private flying and touring with two occupants seated side by side in an enclosed cabin.", "Surviving examples are encountered in historic aircraft collections, restoration projects and heritage flying." ], "standards_and_regulation": [ "Annex 7 to the Convention on International Civil Aviation, issued by the International Civil Aviation Organization, specifies nationality and registration markings for civil aircraft within its scope.", "The Air Navigation Order 2016, issued by the United Kingdom as an Order in Council, provides requirements relevant to examples operated under United Kingdom jurisdiction." ] }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q1050504: DH.87 Hornet Moth", "url": "https://www.wikidata.org/wiki/Q1050504", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: De Havilland Hornet Moth", "url": "https://en.wikipedia.org/wiki/De_Havilland_Hornet_Moth", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "identity-and-configuration", "name": "Identity and configuration", "description": "Resolve DH.87 membership and the distinction between original identity and current configuration.", "rationale": "A name or paint scheme cannot establish variant identity, particularly after wing conversion.", "layers": [ { "id": "type-recognition", "name": "Type recognition", "description": "Connect observed features to documentary identification.", "findings": [ { "id": "dh87-identity-evidence", "name": "DH.87 identity evidence", "description": "Require a traceable basis for attributing an example to this registered type.", "questions": [ { "text": "Which identification plate, construction record or authoritative register establishes this example as a DH.87?", "kind": "provenance", "id": "dh87-identity-evidence-q01" }, { "text": "Do its cabin and wing arrangement support that identification, or suggest a different Moth type?", "kind": "boundary", "id": "dh87-identity-evidence-q02" } ] } ] }, { "id": "variant-and-conversion", "name": "Variant and conversion", "description": "Record original designation and later configuration changes independently.", "findings": [ { "id": "wing-conversion-traceability", "name": "Wing conversion traceability", "description": "Treat wing configuration as an evidenced attribute rather than an inference from registration or build date.", "questions": [ { "text": "Was this aircraft built as a DH.87A or DH.87B, and which wings are fitted now?", "kind": "definition", "id": "wing-conversion-traceability-q01" }, { "text": "What conversion, repair or replacement records connect the installed wings to the aircraft's present designation?", "kind": "provenance", "id": "wing-conversion-traceability-q02" } ] } ] } ] }, { "id": "wings-folding-and-handling", "name": "Wings, folding and handling", "description": "Connect wing geometry and folding condition to handling and storage decisions.", "rationale": "The A/B wing distinction and folding arrangements require explicit configuration evidence.", "layers": [ { "id": "planform-dependent-envelope", "name": "Planform-dependent envelope", "description": "Associate handling claims with the wing configuration to which they apply.", "findings": [ { "id": "stall-behaviour-applicability", "name": "Stall behaviour applicability", "description": "The museum associates the original pointed wings with tip-first stalling and the subsequent wing redesign; operational assessment needs applicable flight documentation. [Museum wing history](https://www.dehavillandmuseum.co.uk/aircraft/de-havilland-dh87b-hornet-moth/)", "questions": [ { "text": "Which documented stall characteristics and limitations apply to the installed wings?", "kind": "provenance", "id": "stall-behaviour-applicability-q01" }, { "text": "Under what mass, centre-of-gravity and test conditions were the cited stall speeds established?", "kind": "measurement", "id": "stall-behaviour-applicability-q02" } ] } ] }, { "id": "folding-and-rigging", "name": "Folding and rigging", "description": "Assess the transition between storage and flight configurations.", "findings": [ { "id": "folding-security-evidence", "name": "Folding security evidence", "description": "Record the applicable folding instructions and evidence that affected attachments and controls have been checked.", "questions": [ { "text": "Which instructions identify the folding sequence, securing points and required checks for this configuration?", "kind": "provenance", "id": "folding-security-evidence-q01" }, { "text": "What inspection and control checks are required before this folded or recently unfolded example may be moved or operated?", "kind": "action", "id": "folding-security-evidence-q02" } ] } ] } ] }, { "id": "cabin-loading-and-fuel", "name": "Cabin, loading and fuel", "description": "Assess how occupants, baggage and fuel affect the aircraft's usable configuration.", "rationale": "The touring cabin and fuel arrangement make loading evidence central to assessing an example.", "layers": [ { "id": "occupants-and-baggage", "name": "Occupants and baggage", "description": "Connect cabin use to the aircraft's documented weight and balance.", "findings": [ { "id": "configuration-specific-loading", "name": "Configuration-specific loading", "description": "Use the example's weighing record and loading instructions to assess occupancy and baggage proposals.", "questions": [ { "text": "What empty mass, datum and centre-of-gravity record reflects the current restoration and equipment?", "kind": "measurement", "id": "configuration-specific-loading-q01" }, { "text": "Does the proposed occupant, baggage and fuel combination remain within its documented loading envelope?", "kind": "action", "id": "configuration-specific-loading-q02" } ] } ] }, { "id": "fuel-storage-and-delivery", "name": "Fuel storage and delivery", "description": "Resolve the fitted tank and fuel-feed arrangement.", "findings": [ { "id": "fuel-system-applicability", "name": "Fuel system applicability", "description": "The museum describes a tank behind the seats beneath the baggage space and engine-driven fuel pumps; verify the actual installation. [Museum fuel-system description](https://www.dehavillandmuseum.co.uk/aircraft/de-havilland-dh87b-hornet-moth/)", "questions": [ { "text": "What tank capacity, unusable fuel and pump arrangement are documented for this example?", "kind": "measurement", "id": "fuel-system-applicability-q01" }, { "text": "Which fuel specification and inspection instructions apply to the installed engine and fuel system?", "kind": "provenance", "id": "fuel-system-applicability-q02" } ] } ] } ] }, { "id": "propulsion-and-control-equipment", "name": "Propulsion and control equipment", "description": "Identify installed equipment and establish which instructions govern its use.", "rationale": "Surviving examples require installation-specific assessment rather than assumptions from a historical specification.", "layers": [ { "id": "engine-propeller-and-starting", "name": "Engine, propeller and starting", "description": "Connect propulsion identity to starting provisions, consumables and limits.", "findings": [ { "id": "installed-propulsion-evidence", "name": "Installed propulsion evidence", "description": "Keep engine, propeller and starting-system identification linked to installation and maintenance records.", "questions": [ { "text": "Which engine, propeller and starting arrangement are fitted, and what records establish their accepted installation?", "kind": "provenance", "id": "installed-propulsion-evidence-q01" }, { "text": "Which operating limits, lubricant requirements and maintenance instructions apply to that combination?", "kind": "action", "id": "installed-propulsion-evidence-q02" } ] } ] }, { "id": "landing-and-drag-controls", "name": "Landing and drag controls", "description": "Assess the relationship between cockpit controls and fitted ground-handling or drag equipment.", "findings": [ { "id": "brake-and-fairing-control-state", "name": "Brake and fairing control state", "description": "Require evidence of installed control arrangements and functional checks, including any modification or deactivation.", "questions": [ { "text": "How are wheel brakes, tailwheel and rotating fairing airbrakes configured and controlled on this example?", "kind": "definition", "id": "brake-and-fairing-control-state-q01" }, { "text": "What documented checks establish their condition and any resulting operating restrictions?", "kind": "action", "id": "brake-and-fairing-control-state-q02" } ] } ] } ] }, { "id": "continued-integrity-and-use", "name": "Continued integrity and use", "description": "Connect restoration and inspection evidence to a proposed activity.", "rationale": "Historical authenticity, physical completeness and fitness for operation are separate judgements for a surviving DH.87.", "layers": [ { "id": "structure-and-restoration", "name": "Structure and restoration", "description": "Trace structural condition and repairs against the intended DH.87 configuration.", "findings": [ { "id": "structural-evidence-gaps", "name": "Structural evidence gaps", "description": "Identify inspection needs for wing attachments, folding components and other structural details from applicable drawings and maintenance instructions.", "questions": [ { "text": "Which drawings and inspection instructions establish the materials, joints and deterioration mechanisms relevant to this airframe?", "kind": "provenance", "id": "structural-evidence-gaps-q01" }, { "text": "Which repairs, replacement wings or concealed areas lack sufficient evidence for the proposed use?", "kind": "boundary", "id": "structural-evidence-gaps-q02" } ] } ] }, { "id": "activity-eligibility", "name": "Activity eligibility", "description": "Assess documentary and physical readiness for display, ground operation or flight.", "findings": [ { "id": "permitted-use-evidence", "name": "Permitted use evidence", "description": "Require the applicable authority, technical basis and current condition evidence before assigning operational eligibility.", "questions": [ { "text": "Which jurisdiction, issuing authority and aircraft-specific certificate or permit govern the proposed activity?", "kind": "provenance", "id": "permitted-use-evidence-q01" }, { "text": "What unresolved inspection, maintenance or configuration issues prevent this example from meeting those conditions?", "kind": "action", "id": "permitted-use-evidence-q02" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-confidence-notes", "name": "Check these first", "description": "Recalled without web access and unsourced; every item is a lead to verify.", "evidence": [ "This is a recall-based description; no sources were consulted.", "Verify wing configuration and modification history when distinguishing an individual DH.87A from a DH.87B.", "Engine rating, performance figures and applicable airworthiness requirements should be checked against the specific variant and airframe records; the hazards listed are general to this construction and configuration." ], "questions": [ { "id": "evidence-confidence-notes-q01", "text": "Which of these check these first hold for the sense of DH.87 Hornet Moth 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": [ "DH.87A: initial production variant with tapered wings", "DH.87B: revised variant with substantially rectangular wings" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of DH.87 Hornet Moth 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": "de Havilland aircraft type designation", "value_or_pattern": "DH.87", "note": "Identifies the aircraft design family; DH.87A and DH.87B distinguish variants." }, { "scheme": "Manufacturer's construction number", "value_or_pattern": "Individual airframe construction number", "note": "Identifies a particular airframe independently of changes to its registration." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of DH.87 Hornet Moth 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": [ "Private recreational flying and touring", "Wartime military communications and liaison duties", "Preserved-aircraft flying and heritage displays" ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of DH.87 Hornet Moth 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": "Seating capacity", "typical_range": "2", "unit": "persons" }, { "quantity": "Nominal engine power with a de Havilland Gipsy Major", "typical_range": "130", "unit": "hp" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of DH.87 Hornet Moth 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": [ "Deterioration of wooden structure, adhesive joints and fabric covering through age, moisture or inadequate storage", "Corrosion or deterioration of metal fittings, control cables and bracing components", "Ground-loop and directional-control hazards associated with tailwheel landing gear", "Engine failure or fuel-system faults requiring a forced landing", "Stall and spin hazards at low airspeed, particularly during low-altitude manoeuvring" ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of DH.87 Hornet Moth 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": [ "Registration, airworthiness approval and operating limitations for surviving aircraft depend on the national aviation authority." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of DH.87 Hornet Moth 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": "de Havilland DH.82 Tiger Moth", "difference": "The Tiger Moth is primarily a tandem-seat, open-cockpit training biplane; the Hornet Moth has an enclosed cabin with side-by-side seating." }, { "name": "de Havilland DH.85 Leopard Moth", "difference": "The Leopard Moth is a three-seat cabin monoplane; the Hornet Moth is a two-seat cabin biplane." }, { "name": "Individual DH.87 airframe", "difference": "An airframe has its own construction number, registration and service history; DH.87 Hornet Moth names the aircraft design family." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of DH.87 Hornet Moth this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Which original manuals, drawings and approved supplements authoritatively define DH.87A and DH.87B limitations and conversion requirements?", "What are the verified variant-specific fuel capacities, loading envelopes and performance figures, including units and measurement conditions?", "Which structural deterioration mechanisms, inspection intervals and repair criteria are documented specifically for DH.87 aircraft?", "How did fairing airbrakes, starting equipment and flight instruments vary across production, conversions and later modifications?", "Which current airworthiness requirements and continuing-airworthiness instructions apply in the jurisdiction of a particular surviving example?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 28 } }