{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T00:49:35Z", "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": 2, "engine": "claude", "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-05T23:50:00Z", "ingestedAt": "2026-10-05T20:46:46+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "revisions": [ { "at": "2026-10-07T11:25:58+00:00", "engine": "codex", "fields": [ "definition" ], "answering_review": "caff704b0d8c8744759f4b1ac95741067d5874655f94876d5406a520a25fa488" } ], "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T12:16:31+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q2310214", "registryId": "vr.tr.pitch-q2310214", "name": "pitch", "version": "0.2.0-wave.2", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.PLC" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q2310214/", "model": { "registry_id": "vr.tr.pitch-q2310214", "name": "pitch", "purpose": "Let an agent explain sports pitches and their dimensions and surfaces, support building and maintaining pitches, relay safety and regulation, and separate other senses of pitch.", "definition": "A flat area of grass used for sports normally played on grass, such as football, rugby, hockey, polo and cricket, with dimensions and markings set by each sport's rules; pitches are built and maintained as sports infrastructure, and the word has other senses such as musical pitch and a sales pitch.", "what_it_is_for": "Playing areas for sports.", "affordances": [ "explain dimensions and surfaces", "support building and maintenance", "relay safety and regulation", "separate other senses" ], "distinguishing_features": [ "Rule-defined dimensions", "Surface types", "Markings", "Maintained infrastructure" ], "appearance": "A marked field or court of grass, turf, sand or hard surface.", "visual_identification": [ "Marked playing area", "Sport-specific dimensions", "A stadium encloses a pitch; musical pitch is another sense" ], "physical_properties": [ { "quantity": "Playing area length", "unit": "Metres", "typical_range": "", "note": "Measured between the designated end boundaries according to the sport and competition format." }, { "quantity": "Playing area width", "unit": "Metres", "typical_range": "", "note": "Measured between the designated side boundaries according to the applicable sport." }, { "quantity": "Surface gradient", "unit": "Percent", "typical_range": "", "note": "Calculated from surveyed elevation change divided by horizontal distance across the playing surface." }, { "quantity": "Grass height", "unit": "Millimetres", "typical_range": "", "note": "Measured from the soil surface to the top of the grass canopy at representative locations." } ], "families_and_kinds": [ "grass and turf pitches for football, rugby and hockey", "cricket fields", "baseball fields", "courts for handball and similar sports", "beach and sand pitches" ], "related_models": [ { "relation": "is a kind of", "target": "region", "why": "category" }, { "relation": "is a kind of", "target": "soil", "why": "category" }, { "relation": "is related to", "target": "athletics", "why": "sports facilities" }, { "relation": "is related to", "target": "ball", "why": "equipment used on pitches" } ], "identifiers": [], "standards_and_regulation": [ "Sport federation pitch specifications", "Artificial turf and safety standards", "Planning rules for sports facilities" ], "failure_modes_and_hazards": [ "Injuries from poor surfaces", "Drainage and waterlogging", "Environmental concerns with artificial turf" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Report a pitch's dimensions, surface and markings against the rules of its sport.", "Monitor drainage, surface condition and hazards on pitches it is authorized to maintain.", "Note when another sense of pitch, such as sound or slope, is meant instead." ], "must_not": [ "Declare a pitch fit for play when it is waterlogged, frozen or has hazards.", "Apply chemicals or treatments near players or spectators during use.", "Dispose of artificial turf infill where it can wash into drains and waterways.", "Book or close a shared public pitch without authority." ], "requires_human": [ "Calling off a match or closing a pitch for safety." ] }, "ethics": { "considerations": [ "Poor surfaces cause serious injuries to players.", "Access to public pitches matters to community sport, especially for young people." ], "affected_parties": [ "Players", "Spectators", "Local communities" ] }, "owners": { "steward": "The owner or operator of the ground; the sport's governing body sets the specifications.", "master_systems": [] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q2310214: pitch", "url": "https://www.wikidata.org/wiki/Q2310214", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Pitch (sports field)", "url": "https://en.wikipedia.org/wiki/Pitch_%28sports_field%29", "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 pitch is.", "rationale": "Definitions.", "layers": [ { "id": "dimensions", "name": "Dimensions", "description": "Dimensions and markings.", "findings": [ { "id": "dimensions-finding", "name": "Dimensions", "description": "Dimensions.", "questions": [ { "text": "What are the dimensions and markings of a pitch for this sport, according to its federation?", "kind": "provenance" }, { "text": "Is the sports pitch, or another sense of pitch, meant?", "kind": "boundary" } ] } ] }, { "id": "surfaces", "name": "Surfaces", "description": "Surfaces.", "findings": [ { "id": "surfaces-finding", "name": "Surfaces", "description": "Surfaces.", "questions": [ { "text": "How do grass, artificial turf, sand and hard surfaces compare for play, cost and safety?", "kind": "provenance" }, { "text": "Which entry fits a specific surface?", "kind": "action" } ] } ] } ] }, { "id": "build", "name": "Build", "description": "Building and maintaining.", "rationale": "Practice.", "layers": [ { "id": "construction", "name": "Construction", "description": "Construction.", "findings": [ { "id": "construction-finding", "name": "Construction", "description": "Construction.", "questions": [ { "text": "How is a pitch designed and built, including drainage, orientation and lighting?", "kind": "provenance" }, { "text": "Which planning rules apply?", "kind": "provenance" } ] } ] }, { "id": "maintenance", "name": "Maintenance", "description": "Maintenance.", "findings": [ { "id": "maintenance-finding", "name": "Maintenance", "description": "Maintenance.", "questions": [ { "text": "How are grass and artificial pitches maintained through the seasons?", "kind": "action" }, { "text": "Which entry fits turf management?", "kind": "action" } ] } ] } ] }, { "id": "safety", "name": "Safety", "description": "Safety and environment.", "rationale": "Regulation.", "layers": [ { "id": "injury", "name": "Injury", "description": "Injury prevention.", "findings": [ { "id": "injury-finding", "name": "Injury", "description": "Injury.", "questions": [ { "text": "How do surface quality and design affect injury risk, according to sports medicine?", "kind": "provenance" }, { "text": "Is someone injured on a pitch now, needing medical help?", "kind": "boundary" } ] } ] }, { "id": "environment", "name": "Environment", "description": "Environmental issues.", "findings": [ { "id": "environment-finding", "name": "Environment", "description": "Environment.", "questions": [ { "text": "What environmental concerns and regulations apply to artificial turf infill and pitch water use, with positions attributed?", "kind": "provenance" }, { "text": "Is the presentation neutral?", "kind": "boundary" } ] } ] } ] }, { "id": "learn", "name": "Learn", "description": "History and teaching.", "rationale": "Education.", "layers": [ { "id": "history", "name": "History", "description": "History of pitches.", "findings": [ { "id": "history-finding", "name": "History", "description": "History.", "questions": [ { "text": "How did standardised pitches develop with codified sports?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "teach", "name": "Teach", "description": "Teaching.", "findings": [ { "id": "teach-finding", "name": "Teach", "description": "Teaching.", "questions": [ { "text": "How can pitch design be taught in sports facility management?", "kind": "action" }, { "text": "Which misconceptions arise?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should each sport pitch be a separate entry?", "How should federation specifications be linked?", "How should maintenance guidance be linked?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }