{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T03:05:07Z", "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": 3, "engine": "claude", "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T10:00:00Z", "ingestedAt": "2026-10-06T07:05:31+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "revisions": [ { "at": "2026-10-06T22:34:14+00:00", "engine": "codex", "fields": [ "definition", "visual_identification" ], "answering_review": "1fe037d1493facc1cbfa2f7255b8f05faa8bf8edc7c2f579318ca9caacf5d600" } ], "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-Q1365704", "registryId": "vr.tr.railway-roundhouse", "name": "railway roundhouse", "version": "0.2.0-wave.3", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.BLT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q1365704/", "model": { "registry_id": "vr.tr.railway-roundhouse", "name": "railway roundhouse", "purpose": "Let an agent explain railway roundhouses and engine sheds, relay design and operation from railway history sources, describe surviving examples and conversions, and distinguish roundhouses from other railway buildings.", "definition": "A circular, semicircular or bow-shaped railway building arranged around, or rarely enclosing, a turntable that directs locomotives into radial stalls for housing, washing, servicing and repair; roundhouses were common in the steam era, many have been demolished or converted, and surviving examples are preserved as museums and heritage sites.", "what_it_is_for": "Housing and servicing locomotives.", "affordances": [ "explain design and operation", "relay history", "describe surviving examples", "distinguish from other buildings" ], "distinguishing_features": [ "Radial layout", "Turntable", "Steam era origin", "Heritage conversions" ], "appearance": "A circular or fan-shaped building with radial tracks around a turntable.", "visual_identification": [ "A roundhouse has locomotive stalls arranged around a turntable.", "Roundhouses have circular, semicircular or bow-shaped layouts, while straight engine sheds fall outside this architectural sense.", "Workshops build and overhaul rolling stock, goods sheds handle freight, and carriage sheds store coaches." ], "physical_properties": [ { "quantity": "turntable diameter", "typical_range": "about 15-35", "unit": "m", "note": "by era and locomotive size" } ], "families_and_kinds": [ "full circular roundhouses", "semicircular and fan-shaped roundhouses", "straight engine sheds", "square roundhouses with internal turntables", "preserved roundhouses as museums", "converted roundhouses as venues" ], "related_models": [ { "relation": "is a kind of", "target": "engine shed", "why": "in registry terms" }, { "relation": "is built around", "target": "railway turntable", "why": "to direct locomotives" }, { "relation": "served", "target": "steam locomotive", "why": "fleets" }, { "relation": "is preserved as", "target": "railway museum", "why": "in many cases" } ], "identifiers": [], "standards_and_regulation": [ "Railway safety rules for depots", "Heritage listing of historic roundhouses", "Building codes for conversions" ], "failure_modes_and_hazards": [ "Demolition of historic sheds", "Confusing roundhouses with workshops", "Asbestos and contamination in old depots" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Describe a roundhouse's history and layout from heritage and railway records.", "Report turntable and track status for the railway that authorized it." ], "must_not": [ "Move the turntable or a locomotive while people are on the tracks or in the pits.", "Let visitors into working areas or inspection pits without supervision.", "Demolish or alter a listed roundhouse without consent.", "Ignore contaminated ground from fuel, ash or asbestos when work is planned." ], "requires_human": [ "Starting locomotive moves or turntable operations in a shared roundhouse." ] }, "ethics": { "considerations": [ "Locomotive depots combine heavy moving machinery and pits that can kill workers.", "Roundhouses are railway heritage that communities want preserved." ], "affected_parties": [ "Railway staff", "Visitors and volunteers", "Heritage communities" ] }, "owners": { "steward": "The railway operator or heritage trust that owns it.", "master_systems": [ "Heritage registers" ] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q1365704: railway roundhouse", "url": "https://www.wikidata.org/wiki/Q1365704", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Railway roundhouse", "url": "https://en.wikipedia.org/wiki/Railway_roundhouse", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What a roundhouse is.", "rationale": "Definition.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition and layout.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is a railway roundhouse, and how do the turntable and radial stalls work?", "kind": "definition" }, { "text": "Is the question about a roundhouse, another engine shed or a workshop?", "kind": "boundary" } ] } ] }, { "id": "operation", "name": "Operation", "description": "Operation.", "findings": [ { "id": "operation-finding", "name": "Operation", "description": "Operation.", "questions": [ { "text": "How were locomotives serviced, coaled, watered and turned at a roundhouse?", "kind": "definition" }, { "text": "Which entry fits locomotive depot?", "kind": "action" } ] } ] } ] }, { "id": "history", "name": "History", "description": "History.", "rationale": "Sources.", "layers": [ { "id": "development", "name": "Development", "description": "Development.", "findings": [ { "id": "development-finding", "name": "Development", "description": "Development.", "questions": [ { "text": "How did roundhouses develop in the nineteenth century, and why did they decline with diesel and electric traction?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "examples", "name": "Examples", "description": "Notable examples.", "findings": [ { "id": "examples-finding", "name": "Examples", "description": "Examples.", "questions": [ { "text": "Which roundhouses are notable, such as those at Derby, Camden, Chattanooga and Spencer?", "kind": "provenance" }, { "text": "Which entry fits the specific roundhouse?", "kind": "action" } ] } ] } ] }, { "id": "heritage", "name": "Heritage", "description": "Heritage.", "rationale": "Practice.", "layers": [ { "id": "museums", "name": "Museums", "description": "Museums.", "findings": [ { "id": "museums-finding", "name": "Museums", "description": "Museums.", "questions": [ { "text": "Which roundhouses survive as railway museums?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] }, { "id": "conversion", "name": "Conversion", "description": "Conversion.", "findings": [ { "id": "conversion-finding", "name": "Conversion", "description": "Conversion.", "questions": [ { "text": "How have roundhouses been converted to venues, such as the Roundhouse in London?", "kind": "provenance" }, { "text": "Which entry fits adaptive reuse?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Regions and culture.", "rationale": "Context.", "layers": [ { "id": "regions", "name": "Regions", "description": "Regional forms.", "findings": [ { "id": "regions-finding", "name": "Regions", "description": "Regions.", "questions": [ { "text": "How do roundhouse designs differ between Britain, continental Europe and North America?", "kind": "provenance" }, { "text": "Which entry fits railway architecture?", "kind": "action" } ] } ] }, { "id": "culture", "name": "Culture", "description": "Culture.", "findings": [ { "id": "culture-finding", "name": "Culture", "description": "Culture.", "questions": [ { "text": "How do roundhouses appear in railway enthusiasm, modelling and film?", "kind": "provenance" }, { "text": "Which entry fits railway heritage?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should railway turntable be a separate entry?", "How should railway heritage inventories be linked?", "How should the broader engine shed sense be recorded?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }