{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T04:26:34Z", "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": "2026-10-05T15:00:00Z", "ingestedAt": "2026-10-05T13:11:18+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "revisions": [ { "at": "2026-10-06T22:59:01+00:00", "engine": "codex", "fields": [ "agent_conduct", "definition", "distinguishing_features", "failure_modes_and_hazards", "purpose", "visual_identification" ], "answering_review": "3221dc40ff5e59ae4860ddc006f23c26a3d40dc772b5f1e9c997f9a5dd4a2ddb" } ], "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:32+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q7857", "registryId": "vr.tr.toilet", "name": "toilet", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.PLC" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q7857/", "model": { "registry_id": "vr.tr.toilet", "name": "toilet", "purpose": "Let an agent treat a toilet as sanitary hardware with a disposal system, water use, accessibility and hygiene requirements, while respecting users' privacy and access needs.", "definition": "A sanitary fixture used to collect and dispose of human urine and faeces, by flushing to a sewer or septic system or by a dry or chemical process.", "what_it_is_for": "Disposing of human waste hygienically, protecting health and dignity.", "affordances": [ "use it, which depends on access, privacy and accessibility", "install and connect it, to a sewer, a septic tank or a dry system", "clean and maintain it, under hygiene rules in public settings", "locate one, which matters for public toilets and accessibility" ], "distinguishing_features": [ "A toilet collects and disposes of human waste, unlike a basin or a sink.", "A toilet needs a sewer, septic, dry or chemical disposal route.", "Fixtures provided for public use must meet applicable accessibility and hygiene requirements.", "This sense covers the sanitary fixture." ], "appearance": "Usually a ceramic bowl with a seat and a cistern or flush valve; squat toilets are a pan set in the floor; dry and portable toilets use enclosed containers.", "visual_identification": [ "A toilet has a bowl or pan with a trap or drop and a flush mechanism or dry waste collection arrangement.", "Accessible fixtures may have adapted heights or shapes and nearby support rails.", "Room signage alone does not identify the fixture's type or accessibility." ], "physical_properties": [ { "quantity": "flush volume", "typical_range": "3-9", "unit": "litres", "note": "dual-flush and low-flow designs use less" }, { "quantity": "seat height", "typical_range": "380-480", "unit": "mm", "note": "accessible toilets are at the higher end" }, { "quantity": "outlet diameter", "typical_range": "90-110", "unit": "mm", "note": "connection to the soil pipe" } ], "families_and_kinds": [ "by position: sitting, squatting", "by disposal: flush to sewer, septic, composting, chemical, pit latrine", "by setting: domestic, public, portable, on vehicles", "by design: wall-hung, close-coupled, urinal as a related fixture" ], "related_models": [ { "relation": "is a kind of", "target": "sanitary fixture", "why": "inherits plumbing and hygiene questions" }, { "relation": "connects to", "target": "sewer or septic tank", "why": "the disposal system decides where it can be used" }, { "relation": "is part of", "target": "bathroom or restroom", "why": "the room is a separate model" }, { "relation": "is regulated by", "target": "building code", "why": "installation, ventilation and accessibility rules" } ], "identifiers": [], "standards_and_regulation": [ "EN 997 and EN 33 for WC pans in Europe", "ASME A112.19.2 and flush volume limits in North America", "Accessibility standards such as ISO 21542 and national building codes", "WHO guidelines on sanitation and health" ], "failure_modes_and_hazards": [ "Blockages and overflows can spread contamination.", "Leaks can waste water continuously.", "Lack of accessible or safe fixtures can exclude people.", "Poor cleaning of the fixture can spread infection." ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Locate available public-use and accessible toilet fixtures and report their condition.", "Schedule cleaning and report blockages, leaks and faults." ], "must_not": [ "Record, photograph or observe people using a toilet.", "Disable the only accessible toilet fixture without providing an alternative.", "Discharge toilet waste anywhere other than the sewer, septic or approved disposal system.", "Deny access to a toilet on grounds of disability, sex or gender contrary to the law." ], "requires_human": [ "Taking public-use toilet fixtures out of service or changing who may use them requires human authorization." ] }, "ethics": { "considerations": [ "Access to a safe, private toilet is a matter of dignity and health.", "Lack of toilets falls hardest on disabled, elderly and homeless people." ], "affected_parties": [ "People who need to use it", "Disabled people", "Cleaning and maintenance staff" ] }, "owners": { "steward": "The owner or operator of the premises; local authorities for public toilets.", "master_systems": [] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q7857: toilet", "url": "https://www.wikidata.org/wiki/Q7857", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Toilet", "url": "https://en.wikipedia.org/wiki/Toilet", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "fixture-and-disposal", "name": "Fixture and disposal", "description": "The appliance and where the waste goes.", "rationale": "The disposal system decides installation, use and environmental impact.", "layers": [ { "id": "fixture", "name": "Fixture type", "description": "Design and position.", "findings": [ { "id": "fixture-finding", "name": "Fixture description", "description": "The type, design and dimensions.", "questions": [ { "text": "What type of toilet is this, and what are its main dimensions?", "kind": "definition" }, { "text": "Which standard does it conform to?", "kind": "provenance" } ] } ] }, { "id": "disposal", "name": "Disposal route", "description": "Sewer, septic or dry.", "findings": [ { "id": "disposal-finding", "name": "Disposal system", "description": "Where the waste goes and how.", "questions": [ { "text": "Where does waste from this toilet go?", "kind": "definition" }, { "text": "What happens if that system fails?", "kind": "boundary" } ] } ] } ] }, { "id": "water-and-maintenance", "name": "Water and maintenance", "description": "Consumption and upkeep.", "rationale": "Water use and maintenance are the largest ongoing costs and environmental impacts.", "layers": [ { "id": "water", "name": "Water use", "description": "Flush volume and leaks.", "findings": [ { "id": "water-finding", "name": "Water consumption", "description": "Flush volume and measured use.", "questions": [ { "text": "How much water does each flush use?", "kind": "measurement" }, { "text": "Is it leaking, and how would that be detected?", "kind": "measurement" } ] } ] }, { "id": "maintenance", "name": "Maintenance", "description": "Cleaning and repair.", "findings": [ { "id": "maintenance-finding", "name": "Maintenance record", "description": "The cleaning and repair schedule.", "questions": [ { "text": "How often is this toilet cleaned and inspected?", "kind": "measurement" }, { "text": "Who is responsible for repairs?", "kind": "provenance" } ] } ] } ] }, { "id": "access-and-accessibility", "name": "Access and accessibility", "description": "Who can use it.", "rationale": "For public toilets, the question people ask is whether they can get in and use it.", "layers": [ { "id": "access", "name": "Access", "description": "Opening hours, fees and location.", "findings": [ { "id": "access-finding", "name": "Access conditions", "description": "Where it is and when and how it can be used.", "questions": [ { "text": "Where is this toilet, and when is it open?", "kind": "definition" }, { "text": "Is there a fee or a key required?", "kind": "definition" } ] } ] }, { "id": "accessibility", "name": "Accessibility", "description": "Provision for disabled people and families.", "findings": [ { "id": "accessibility-finding", "name": "Accessibility features", "description": "The features present.", "questions": [ { "text": "Is it accessible to wheelchair users, and to which standard?", "kind": "measurement" }, { "text": "Are baby-changing and adult changing facilities available?", "kind": "definition" } ] } ] } ] }, { "id": "hygiene-and-health", "name": "Hygiene and health", "description": "Keeping it safe.", "rationale": "Sanitation is a public health measure; failures spread disease.", "layers": [ { "id": "hygiene", "name": "Hygiene", "description": "Cleaning standards and handwashing.", "findings": [ { "id": "hygiene-finding", "name": "Hygiene provision", "description": "Handwashing and cleaning provision.", "questions": [ { "text": "Is handwashing provided next to it?", "kind": "definition" }, { "text": "Which hygiene standard applies in this setting?", "kind": "provenance" } ] } ] }, { "id": "safety", "name": "Safety and privacy", "description": "Personal safety and dignity.", "findings": [ { "id": "safety-finding", "name": "Safety measures", "description": "Locks, lighting and alarms.", "questions": [ { "text": "Does it provide lockable privacy and an alarm where required?", "kind": "definition" }, { "text": "What should happen when an alarm is triggered?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should the fixture and the room be separate entries?", "How should accessibility of public toilets be represented so agents can answer \"is there one I can use\"?", "How should non-sewered sanitation be modelled for places without sewers?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }