{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T08:35:59Z", "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": "2026-10-05T13:20:28+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-06T19:51:53+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q11500", "registryId": "vr.tr.area", "name": "area", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.QLT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q11500/", "model": { "registry_id": "vr.tr.area", "name": "area", "purpose": "Let an agent handle area by definition, units, calculation, measurement and domain-specific uses.", "definition": "A quantity expressing the extent of a two-dimensional surface or region, measured in square units such as square metres; related technical quantities include cross sections in physics and equivalent absorption area in acoustics.", "what_it_is_for": "Measuring land, floors, surfaces and cross sections.", "affordances": [ "compute areas of shapes", "convert area units", "measure floor or land area", "use cross sections in physics" ], "distinguishing_features": [ "Extent of a surface", "Square units", "Measurement conventions vary for buildings and land", "Technical senses in physics and acoustics" ], "appearance": "Not visible itself; the size of a surface.", "visual_identification": [ "Units such as m2, hectare, acre", "Floor area and land area figures", "Cross section in physics is measured in barns" ], "physical_properties": [ { "quantity": "hectare", "typical_range": "10000", "unit": "m2", "note": "exact" }, { "quantity": "acre", "typical_range": "about 4046.86", "unit": "m2", "note": "" } ], "families_and_kinds": [ "geometric area", "land and cadastral area", "floor area", "surface area", "cross sections" ], "related_models": [ { "relation": "is a kind of", "target": "physical quantity and geometric measure", "why": "category" }, { "relation": "is measured in", "target": "square metre", "why": "unit" }, { "relation": "is computed for", "target": "polygon and circle", "why": "shapes" }, { "relation": "is related to", "target": "volume", "why": "three dimensions" } ], "identifiers": [ { "scheme": "SI unit", "value_or_pattern": "square metre (m2)", "note": "unit" } ], "standards_and_regulation": [ "ISO 80000-3", "Floor area measurement standards such as IPMS", "Cadastral survey rules" ], "failure_modes_and_hazards": [ "Different floor area definitions", "Unit conversion errors", "Map projection distortion of areas" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Calculate and report areas with stated units and method.", "Convert between units of area accurately." ], "must_not": [ "Misstate the area of land, property or rooms in a sale, lease or valuation.", "Mix units of area without converting them.", "Present an estimated area as a surveyed one." ], "requires_human": [ "Using a calculated area in a legal document, such as a land title or lease." ] }, "ethics": { "considerations": [ "Area figures decide prices, taxes and boundaries, so errors shift money and rights.", "Overstated floor areas in housing mislead buyers and tenants." ], "affected_parties": [ "Buyers and tenants", "Landowners" ] }, "owners": { "steward": "Nobody owns the quantity; land surveyors and registries answer for official land areas.", "master_systems": [ "Land registry or cadastre" ] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q11500: area", "url": "https://www.wikidata.org/wiki/Q11500", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Area", "url": "https://en.wikipedia.org/wiki/Area", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "calculation", "name": "Calculation", "description": "Computing area.", "rationale": "Formulas apply.", "layers": [ { "id": "shape", "name": "Shape", "description": "Formula.", "findings": [ { "id": "shape-finding", "name": "Shape", "description": "Area calculation.", "questions": [ { "text": "What is the area of this shape?", "kind": "measurement" }, { "text": "Which formula applies?", "kind": "definition" } ] } ] }, { "id": "units", "name": "Units", "description": "Conversion.", "findings": [ { "id": "units-finding", "name": "Units", "description": "Units.", "questions": [ { "text": "What is the area in the required unit?", "kind": "measurement" }, { "text": "Is the conversion exact?", "kind": "boundary" } ] } ] } ] }, { "id": "buildings", "name": "Buildings", "description": "Floor area.", "rationale": "Definitions differ.", "layers": [ { "id": "standard", "name": "Standard", "description": "Measurement rules.", "findings": [ { "id": "standard-finding", "name": "Standard", "description": "Floor area standard.", "questions": [ { "text": "Which floor area standard is used: gross, net or IPMS?", "kind": "provenance" }, { "text": "What is included?", "kind": "definition" } ] } ] }, { "id": "comparison", "name": "Comparison", "description": "Like for like.", "findings": [ { "id": "comparison-finding", "name": "Comparison", "description": "Comparison.", "questions": [ { "text": "Are areas measured the same way for comparison?", "kind": "boundary" }, { "text": "Who measured them?", "kind": "provenance" } ] } ] } ] }, { "id": "land", "name": "Land", "description": "Cadastre.", "rationale": "Land area needs surveys.", "layers": [ { "id": "survey", "name": "Survey", "description": "Measurement.", "findings": [ { "id": "survey-finding", "name": "Survey", "description": "Land survey.", "questions": [ { "text": "What is the official land area, from the cadastre?", "kind": "provenance" }, { "text": "How accurate is it?", "kind": "measurement" } ] } ] }, { "id": "maps", "name": "Maps", "description": "Projection.", "findings": [ { "id": "maps-finding", "name": "Maps", "description": "Map areas.", "questions": [ { "text": "Is the map projection distorting areas?", "kind": "boundary" }, { "text": "Which projection preserves area?", "kind": "definition" } ] } ] } ] }, { "id": "science", "name": "Science", "description": "Technical senses.", "rationale": "Area has technical uses.", "layers": [ { "id": "cross-section", "name": "Cross section", "description": "Physics.", "findings": [ { "id": "cross-section-finding", "name": "Cross section", "description": "Cross section.", "questions": [ { "text": "Is a reaction cross section meant?", "kind": "boundary" }, { "text": "In which unit?", "kind": "definition" } ] } ] }, { "id": "acoustics", "name": "Acoustics", "description": "Absorption area.", "findings": [ { "id": "acoustics-finding", "name": "Acoustics", "description": "Absorption area.", "questions": [ { "text": "What is the equivalent absorption area of the room?", "kind": "measurement" }, { "text": "How is it measured?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should area kinds be separate entries?", "How should measurement standards be linked?", "How should cross sections be split off?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }