{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T15:26:27Z", "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": "2026-10-05T18:00:00Z", "ingestedAt": "2026-10-05T13:27:51+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-Q483110", "registryId": "vr.tr.stadium", "name": "stadium", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.PLC" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q483110/", "model": { "registry_id": "vr.tr.stadium", "name": "stadium", "purpose": "Let an agent handle stadiums by venue, event, access and safety: find events and tickets through official channels, explain access and rules, and support planning and heritage.", "definition": "A large venue for sports and events with a field or pitch surrounded by tiered seating or standing areas for spectators, from football and athletics stadiums to bullrings, modular and portable stadiums, and multi-purpose arenas; stadiums are subject to safety, licensing and accessibility rules.", "what_it_is_for": "Hosting sports and large events.", "affordances": [ "find a stadium, its capacity and events", "explain access, transport and rules", "find official tickets", "explain safety and accessibility standards" ], "distinguishing_features": [ "Field with spectator stands", "Large capacity", "Safety-regulated", "Multi-purpose use" ], "appearance": "Large structures with a central field and surrounding stands, often with roofs and floodlights.", "visual_identification": [ "Tiered stands around a field", "Floodlights and scoreboards", "Arenas are usually indoor and smaller" ], "physical_properties": [ { "quantity": "Spectator capacity", "unit": "persons", "typical_range": "", "note": "Capacity is determined from the permitted event configuration and approved seating and standing provision." }, { "quantity": "Playing surface area", "unit": "square metres", "typical_range": "", "note": "Area is measured from the boundaries of the playing surface for the relevant venue configuration." }, { "quantity": "Overall structural height", "unit": "metres", "typical_range": "", "note": "Height is measured from a stated ground reference to the highest included structural point." }, { "quantity": "Spectator tier slope", "unit": "degrees", "typical_range": "", "note": "Slope is measured relative to horizontal for each seating or standing tier." } ], "families_and_kinds": [ "football and rugby stadiums", "athletics and multi-sport stadiums", "bullrings", "modular and portable stadiums", "historic stadiums" ], "related_models": [ { "relation": "is a kind of", "target": "sports venue", "why": "category" }, { "relation": "is a kind of", "target": "sports building", "why": "category" }, { "relation": "hosts", "target": "match-event", "why": "events" }, { "relation": "is related to", "target": "square", "why": "other public gathering space" } ], "identifiers": [], "standards_and_regulation": [ "Stadium safety guidance such as the Green Guide", "UEFA and FIFA stadium requirements", "Accessibility standards" ], "failure_modes_and_hazards": [ "Crowd crushes", "Ticket fraud", "Structural failures" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Report events, capacity and access information from the stadium operator.", "Monitor crowd density and safety systems where the operator has authorized it." ], "must_not": [ "Admit more people than the licensed capacity or block exits.", "Use face recognition on spectators without a lawful basis.", "Hide or disable safety systems such as alarms, barriers or public address.", "Spread false alarms that could cause a crowd crush." ], "requires_human": [ "Deciding to halt an event, open gates or evacuate.", "Banning a spectator from the venue." ] }, "ethics": { "considerations": [ "Stadium disasters have killed many fans; crowd safety comes first.", "Mass surveillance of spectators threatens privacy." ], "affected_parties": [ "Spectators", "Stewards and staff", "Nearby residents" ] }, "owners": { "steward": "The stadium operator, under safety certification by the local authority.", "master_systems": [] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q483110: stadium", "url": "https://www.wikidata.org/wiki/Q483110", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Stadium", "url": "https://en.wikipedia.org/wiki/Stadium", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "venue", "name": "Venue", "description": "A specific stadium.", "rationale": "Facts need sources.", "layers": [ { "id": "facts", "name": "Facts", "description": "Capacity and use.", "findings": [ { "id": "facts-finding", "name": "Facts", "description": "Facts.", "questions": [ { "text": "What are the capacity, tenants and main uses of this stadium, according to the operator?", "kind": "provenance" }, { "text": "When was it built or renovated?", "kind": "provenance" } ] } ] }, { "id": "events", "name": "Events", "description": "Upcoming events.", "findings": [ { "id": "events-finding", "name": "Events", "description": "Events.", "questions": [ { "text": "Which events are scheduled?", "kind": "provenance" }, { "text": "Where are official tickets sold?", "kind": "provenance" } ] } ] } ] }, { "id": "visit", "name": "Visit", "description": "Attending.", "rationale": "Plan the visit.", "layers": [ { "id": "access", "name": "Access", "description": "Getting there.", "findings": [ { "id": "access-finding", "name": "Access", "description": "Getting there.", "questions": [ { "text": "How is the stadium reached by public transport, and what parking exists?", "kind": "provenance" }, { "text": "Which entrances and gates apply to this ticket?", "kind": "provenance" } ] } ] }, { "id": "rules", "name": "Rules", "description": "Stadium rules.", "findings": [ { "id": "rules-finding", "name": "Rules", "description": "Rules.", "questions": [ { "text": "Which items are prohibited, and what conduct rules apply?", "kind": "provenance" }, { "text": "Which accessibility services are available?", "kind": "provenance" } ] } ] } ] }, { "id": "safety", "name": "Safety", "description": "Crowd safety.", "rationale": "Safety first.", "layers": [ { "id": "crowd", "name": "Crowd", "description": "Crowd management.", "findings": [ { "id": "crowd-finding", "name": "Crowd", "description": "Crowd management.", "questions": [ { "text": "Is there a crowd crush or emergency?", "kind": "boundary" }, { "text": "Should stewards and emergency services be alerted?", "kind": "action" } ] } ] }, { "id": "standards", "name": "Standards", "description": "Safety standards.", "findings": [ { "id": "standards-finding", "name": "Standards", "description": "Safety standards.", "questions": [ { "text": "Which safety standards and licensing apply to stadiums here?", "kind": "provenance" }, { "text": "How is capacity certified?", "kind": "provenance" } ] } ] } ] }, { "id": "planning", "name": "Planning", "description": "Building stadiums.", "rationale": "Stadiums shape cities.", "layers": [ { "id": "design", "name": "Design", "description": "Design and cost.", "findings": [ { "id": "design-finding", "name": "Design", "description": "Design.", "questions": [ { "text": "What does it take to design, fund and build a stadium?", "kind": "provenance" }, { "text": "What do case studies say about legacy use?", "kind": "provenance" } ] } ] }, { "id": "heritage", "name": "Heritage", "description": "Historic venues.", "findings": [ { "id": "heritage-finding", "name": "Heritage", "description": "Heritage.", "questions": [ { "text": "Which stadiums are historic or protected?", "kind": "provenance" }, { "text": "Can they be toured?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should each stadium be a separate entry?", "How should event calendars be linked?", "How should safety standards be localised?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }