{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-12T01:35:44Z", "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": "2026-10-05T23:55:00Z", "ingestedAt": "2026-10-05T20:56:05+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:33+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q925", "registryId": "vr.tr.mercury", "name": "mercury", "version": "0.2.0-wave.2", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q925/", "model": { "registry_id": "vr.tr.mercury", "name": "mercury", "purpose": "Let an agent explain mercury and its properties and isotopes, describe uses and their phase-out, relay toxicity and safety guidance from health and environmental authorities, and support chemistry learning.", "definition": "A chemical element with atomic number 80, a dense silvery post-transition metal that is liquid at room temperature, occurring natively and mainly as cinnabar ore, with many isotopes, used historically in thermometers, barometers, dental amalgam, lamps, gold extraction and industry, and now restricted under the Minamata Convention because of its toxicity and environmental persistence; mercury exposure through vapour, compounds such as methylmercury in fish and contaminated sites is a public health concern managed by regulation.", "what_it_is_for": "A liquid metal element.", "affordances": [ "explain properties and isotopes", "describe uses and phase-out", "relay safety guidance", "support learning" ], "distinguishing_features": [ "Liquid metal", "High density", "Toxicity", "International restriction" ], "appearance": "Silvery liquid metal.", "visual_identification": [ "Element 80, liquid at room temperature", "Toxic and persistent", "The planet Mercury and the Roman god are other senses" ], "physical_properties": [ { "quantity": "Mass density", "unit": "g/cm3", "typical_range": "Approximately 13.5 at room temperature", "note": "Density depends on temperature and refers here to liquid elemental mercury." }, { "quantity": "Melting temperature", "unit": "degrees Celsius", "typical_range": "Approximately -38.8", "note": "This phase-transition temperature applies to pure elemental mercury near standard atmospheric pressure." }, { "quantity": "Boiling temperature", "unit": "degrees Celsius", "typical_range": "Approximately 356.7", "note": "This boiling temperature applies to pure elemental mercury at standard atmospheric pressure." } ], "families_and_kinds": [ "elemental mercury", "inorganic mercury compounds", "organic mercury such as methylmercury", "mercury isotopes", "mercury in products and industry" ], "related_models": [ { "relation": "is a kind of", "target": "post-transition metal", "why": "category" }, { "relation": "is related to", "target": "halide class of minerals", "why": "mercury halide minerals" }, { "relation": "is related to", "target": "bismuth", "why": "a neighbouring element" }, { "relation": "is related to", "target": "carcinogen", "why": "hazardous substances" } ], "identifiers": [], "standards_and_regulation": [ "Minamata Convention on Mercury", "Occupational exposure limits", "Food limits for methylmercury in fish" ], "failure_modes_and_hazards": [ "Vapour exposure from spills and broken devices", "Methylmercury in fish", "Contamination from artisanal gold mining" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Explain mercury's properties, uses and health risks from authoritative sources.", "Report mercury spills or broken mercury devices to the person responsible and point to official clean-up guidance.", "Track mercury-containing items for licensed disposal." ], "must_not": [ "Heat, vacuum or sweep up spilled mercury in a way that spreads vapour.", "Dispose of mercury or mercury-containing items in ordinary waste or drains.", "Advise on using mercury in gold extraction or other processes that release it.", "Help supply mercury in breach of the law." ], "requires_human": [ "Responding to a mercury spill in a home, school or workplace." ] }, "ethics": { "considerations": [ "Mercury damages the nervous system, especially in unborn children.", "Mercury pollution from gold mining harms miners and river communities." ], "affected_parties": [ "Children and pregnant women", "Small-scale miners", "Communities who eat fish" ] }, "owners": { "steward": "The holder of the material; chemical and waste regulators control its trade and disposal.", "master_systems": [] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q925: mercury", "url": "https://www.wikidata.org/wiki/Q925", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Mercury (element)", "url": "https://en.wikipedia.org/wiki/Mercury_%28element%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 mercury is.", "rationale": "Chemistry.", "layers": [ { "id": "properties", "name": "Properties", "description": "Properties and isotopes.", "findings": [ { "id": "properties-finding", "name": "Properties", "description": "Properties.", "questions": [ { "text": "What are the physical and chemical properties of mercury, why is it liquid, and what is known about its isotopes?", "kind": "definition" }, { "text": "Is the element, the planet or another sense meant?", "kind": "boundary" } ] } ] }, { "id": "compounds", "name": "Compounds", "description": "Compounds.", "findings": [ { "id": "compounds-finding", "name": "Compounds", "description": "Compounds.", "questions": [ { "text": "What are the main inorganic and organic mercury compounds, and how do they differ in toxicity?", "kind": "definition" }, { "text": "Which entry fits a specific compound?", "kind": "action" } ] } ] } ] }, { "id": "safety", "name": "Safety", "description": "Toxicity and safety.", "rationale": "General information.", "layers": [ { "id": "exposure", "name": "Exposure", "description": "Exposure and effects.", "findings": [ { "id": "exposure-finding", "name": "Exposure", "description": "Exposure.", "questions": [ { "text": "What are the health effects of mercury exposure, and what do health authorities advise about fish, dental amalgam and vapour?", "kind": "provenance" }, { "text": "Is a spill or exposure happening now, requiring a poison centre or emergency services?", "kind": "boundary" } ] } ] }, { "id": "spills", "name": "Spills", "description": "Spills and disposal.", "findings": [ { "id": "spills-finding", "name": "Spills", "description": "Spills.", "questions": [ { "text": "How should small mercury spills from thermometers or lamps be handled and mercury products disposed of, according to authorities?", "kind": "provenance" }, { "text": "Which entry fits hazardous waste?", "kind": "action" } ] } ] } ] }, { "id": "use", "name": "Use", "description": "Uses and regulation.", "rationale": "Policy.", "layers": [ { "id": "uses", "name": "Uses", "description": "Historical and current uses.", "findings": [ { "id": "uses-finding", "name": "Uses", "description": "Uses.", "questions": [ { "text": "How was mercury used in instruments, medicine, lamps, gold extraction and industry, and which uses continue?", "kind": "provenance" }, { "text": "Which entry fits a specific use?", "kind": "action" } ] } ] }, { "id": "convention", "name": "Convention", "description": "Minamata Convention.", "findings": [ { "id": "convention-finding", "name": "Convention", "description": "Convention.", "questions": [ { "text": "What does the Minamata Convention require, and how are artisanal gold mining and contaminated sites addressed?", "kind": "provenance" }, { "text": "Which entry fits environmental treaties?", "kind": "action" } ] } ] } ] }, { "id": "learn", "name": "Learn", "description": "History and teaching.", "rationale": "Education.", "layers": [ { "id": "history", "name": "History", "description": "History.", "findings": [ { "id": "history-finding", "name": "History", "description": "History.", "questions": [ { "text": "How has mercury been used and understood from antiquity through Minamata disease to modern regulation?", "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 mercury be taught safely in chemistry?", "kind": "action" }, { "text": "Which misconceptions arise?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should methylmercury be a separate entry?", "How should Convention resources be linked?", "How should spill guidance be linked?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }