{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T05:07:43Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 1, "engine": "claude", "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-05T16:30:00Z", "ingestedAt": "2026-10-05T13:22:24+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-06T19:52:02+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q870", "registryId": "vr.tr.train", "name": "train", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q870/", "model": { "registry_id": "vr.tr.train", "name": "train", "purpose": "Let an agent handle trains by service, formation, operator, route and safety, distinct from the railway infrastructure.", "definition": "A series of connected railway vehicles, passenger coaches or freight wagons, moved along a railway by one or more locomotives or self-propelled units.", "what_it_is_for": "Moving passengers and freight by rail efficiently over short and long distances.", "affordances": [ "ride it, with a ticket", "operate it, by licensed operators and drivers", "track it, with real-time information", "ship freight on it" ], "distinguishing_features": [ "Runs on rails, guided by track", "A train is a service and a formation; vehicles are separate assets", "Operated under railway safety regimes", "Special trains such as ambulance trains exist" ], "appearance": "A line of coupled vehicles on rails, powered by a locomotive or distributed traction, with a livery and destination displays.", "visual_identification": [ "Coupled vehicles on rails", "Train number and destination on displays", "Livery and operator branding" ], "physical_properties": [ { "quantity": "length", "typical_range": "20-3000+", "unit": "m", "note": "passenger to long freight trains" }, { "quantity": "speed", "typical_range": "30-350", "unit": "km/h", "note": "high-speed trains up to about 350 in service" } ], "families_and_kinds": [ "passenger: commuter, regional, intercity, high-speed, night trains", "freight trains", "tourist and heritage trains", "service trains: maintenance, firefighting, rescue" ], "related_models": [ { "relation": "is a kind of", "target": "vehicle", "why": "rail vehicle" }, { "relation": "provides", "target": "transport", "why": "rail transport" }, { "relation": "runs on", "target": "railway", "why": "infrastructure" }, { "relation": "is confused with", "target": "Train as training", "why": "a homonym" } ], "identifiers": [ { "scheme": "train number", "value_or_pattern": "operator-specific", "note": "identifies a service" }, { "scheme": "European Vehicle Number", "value_or_pattern": "12 digits", "note": "identifies rail vehicles in Europe" } ], "standards_and_regulation": [ "EU Railway Safety Directive and TSIs", "EU Rail Passenger Rights Regulation 2021/782", "National railway safety law" ], "failure_modes_and_hazards": [ "Derailments and collisions", "Level crossing accidents", "Delays and cancellations", "Trespass and platform-edge accidents" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Report timetables, delays and accessibility from the railway operator's data.", "Monitor train systems and report faults to the operator." ], "must_not": [ "Operate or move a train it is not authorized to control.", "Override signals, train protection or door interlocks.", "Help people trespass on tracks or ride outside the train.", "Dispatch a train with known safety faults." ], "requires_human": [ "Stopping, evacuating or releasing a train after an incident." ] }, "ethics": { "considerations": [ "Railway accidents can kill many; safety systems exist for good reasons.", "Rail access matters for people without cars, including disabled people." ], "affected_parties": [ "Passengers", "Railway workers", "People at level crossings" ] }, "owners": { "steward": "The railway undertaking that operates it; the rail safety authority licenses it.", "master_systems": [ "Rail vehicle registers" ] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q870: train", "url": "https://www.wikidata.org/wiki/Q870", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Train", "url": "https://en.wikipedia.org/wiki/Train", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "service", "name": "Service", "description": "Where and when it runs.", "rationale": "Passengers meet trains as services.", "layers": [ { "id": "route", "name": "Route and timetable", "description": "Stops and times.", "findings": [ { "id": "route-finding", "name": "Service", "description": "Route and schedule.", "questions": [ { "text": "Which route does this train run, calling where and when?", "kind": "definition" }, { "text": "Is it running on time now?", "kind": "measurement" } ] } ] }, { "id": "operator", "name": "Operator", "description": "Railway undertaking.", "findings": [ { "id": "operator-finding", "name": "Operator", "description": "The operator.", "questions": [ { "text": "Which operator runs it?", "kind": "provenance" }, { "text": "How are complaints and claims made?", "kind": "action" } ] } ] } ] }, { "id": "formation", "name": "Formation", "description": "Vehicles and facilities.", "rationale": "Formation decides capacity and facilities.", "layers": [ { "id": "vehicles", "name": "Vehicles", "description": "Coaches, locomotive, units.", "findings": [ { "id": "vehicles-finding", "name": "Formation", "description": "The vehicles in the formation.", "questions": [ { "text": "What vehicles form the train, and what is its capacity?", "kind": "measurement" }, { "text": "Which classes and facilities are available?", "kind": "definition" } ] } ] }, { "id": "accessibility", "name": "Accessibility", "description": "Step-free access.", "findings": [ { "id": "accessibility-finding", "name": "Accessibility", "description": "Access features.", "questions": [ { "text": "Is step-free boarding possible, and where are the wheelchair spaces?", "kind": "definition" }, { "text": "How is assistance booked?", "kind": "action" } ] } ] } ] }, { "id": "safety", "name": "Safety", "description": "Rail safety.", "rationale": "Rail is safe when systems and people perform.", "layers": [ { "id": "systems", "name": "Safety systems", "description": "Signalling and train protection.", "findings": [ { "id": "systems-finding", "name": "Train protection", "description": "Protection systems.", "questions": [ { "text": "Which train protection system does it use?", "kind": "definition" }, { "text": "Is the vehicle certified?", "kind": "provenance" } ] } ] }, { "id": "incidents", "name": "Incidents", "description": "Accidents and investigation.", "findings": [ { "id": "incidents-finding", "name": "Incident record", "description": "Incidents and investigations.", "questions": [ { "text": "Has this service or route had incidents?", "kind": "provenance" }, { "text": "Which body investigates rail accidents here?", "kind": "provenance" } ] } ] } ] }, { "id": "passenger-rights", "name": "Passenger rights", "description": "Delays and compensation.", "rationale": "Rights apply when things go wrong.", "layers": [ { "id": "delays", "name": "Delays", "description": "Compensation.", "findings": [ { "id": "delays-finding", "name": "Compensation", "description": "Compensation rules.", "questions": [ { "text": "What compensation applies for this delay?", "kind": "boundary" }, { "text": "How is it claimed?", "kind": "action" } ] } ] }, { "id": "tickets", "name": "Tickets", "description": "Validity and changes.", "findings": [ { "id": "tickets-finding", "name": "Ticket rules", "description": "Ticket conditions.", "questions": [ { "text": "Is this ticket valid on this train?", "kind": "boundary" }, { "text": "Can it be changed or refunded?", "kind": "boundary" } ] } ] } ] } ] }, "openQuestions": [ "Should services and rolling stock be separate entries?", "How should accessibility data be linked for journey planning?", "How should special-purpose trains be classified?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }