{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T21:27:04Z", "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": 4, "engine": "claude", "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T11:00:00Z", "ingestedAt": "2026-10-06T07:36:46+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "revisions": [ { "at": "2026-10-06T22:48:34+00:00", "engine": "codex", "fields": [ "definition", "visual_identification" ], "answering_review": "efce5c68f9b0b08f8e79d8ee5cbf8a5b1c92c7f780793a31fe727ca65fe476b4" } ], "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T10:10:30+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q3269344", "registryId": "vr.tr.oxyanion", "name": "oxyanion", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q3269344/", "model": { "registry_id": "vr.tr.oxyanion", "name": "oxyanion", "purpose": "Let an agent explain oxyanions, relay structure, nomenclature, chemistry and applications from inorganic chemistry sources, describe the named ions and clusters, warn about bleach mixing hazards and route exposures to poison centres, and distinguish oxyanions from oxides, oxoacids, peroxides and simple anions.", "definition": "An oxyanion is an anion composed of oxygen and exactly one other chemical element. Examples include sulfate, nitrate, phosphate, carbonate, perchlorate, hypohalites such as hypochlorite, the rarely isolated iodite, tungstate and heptamolybdate. Larger metal-oxygen clusters fall within this sense only when they contain a single non-oxygen element, excluding heteropolymetalates containing multiple non-oxygen elements. Naming follows patterns such as -ate and -ite.", "what_it_is_for": "Not applicable; a class of ions with many uses.", "affordances": [ "explain structure and naming", "relay chemistry and applications", "describe named ions", "warn about bleach hazards" ], "distinguishing_features": [ "Central atom with oxygen", "Systematic names", "Ubiquitous in nature", "Some hazardous" ], "appearance": "Not visible alone; found in salts such as white sulfate powders or coloured chromate and tungstate compounds.", "visual_identification": [ "An oxyanion in this sense contains oxygen and exactly one other chemical element.", "Examples include tungstate, heptamolybdate, hypohalites and iodite, while polyoxometalates qualify only when they contain a single non-oxygen element.", "Heteropolymetalates containing multiple non-oxygen elements fall outside this sense.", "Oxoacids are related acid forms, peroxides contain O-O bonds, and monatomic anions contain only one atom." ], "physical_properties": [ { "quantity": "naming series", "typical_range": "hypo-ite, -ite, -ate, per-ate", "unit": "note", "note": "for halogens" }, { "quantity": "sulfate", "typical_range": "SO4 2-", "unit": "formula", "note": "" }, { "quantity": "hypochlorite", "typical_range": "ClO-", "unit": "formula", "note": "bleach" } ], "families_and_kinds": [ "main group oxyanions such as sulfate and nitrate", "halogen oxyanions such as hypochlorite and perchlorate", "transition metal oxyanions such as permanganate and tungstate", "polyoxometalates", "heteropolyanions" ], "related_models": [ { "relation": "is a kind of", "target": "polyatomic anion", "why": "in registry terms" }, { "relation": "includes", "target": "sulfate", "why": "" }, { "relation": "includes", "target": "polyoxometalate", "why": "" }, { "relation": "is contrasted with", "target": "oxide", "why": "" } ], "identifiers": [], "standards_and_regulation": [ "IUPAC nomenclature of inorganic chemistry", "Drinking water limits for nitrate and perchlorate", "Household chemical labelling rules" ], "failure_modes_and_hazards": [ "Toxic gas from mixing bleach with acids or ammonia", "Perchlorate and nitrate water contamination", "Confusing -ite and -ate species" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Explain oxyanions, their structures and common compounds from chemistry sources.", "Report hazard information for oxyanion salts from safety data sheets." ], "must_not": [ "Mix bleach containing hypochlorite with acids or ammonia products.", "Provide guidance on using oxidising oxyanion salts, such as perchlorates or nitrates, to make explosives or harm people.", "Discharge nitrate or phosphate wastes in ways that pollute water.", "Store strong oxidisers next to fuels or flammables." ], "requires_human": [ "Approving storage of large quantities of oxidising salts." ] }, "ethics": { "considerations": [ "Nitrate and phosphate run-off causes algal blooms and dead zones.", "Perchlorate and nitrate contamination affects drinking water." ], "affected_parties": [ "People drinking affected water", "Workers handling chemicals", "Aquatic life" ] }, "owners": { "steward": "The holder of each chemical; chemical regulators register substances.", "master_systems": [ "Chemical substance registers" ] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q3269344: oxyanion", "url": "https://www.wikidata.org/wiki/Q3269344", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Oxyanion", "url": "https://en.wikipedia.org/wiki/Oxyanion", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What an oxyanion is.", "rationale": "Science.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is an oxyanion, and how does it differ from oxides, oxoacids, peroxides and simple anions?", "kind": "definition" }, { "text": "Has someone mixed bleach with other cleaners or inhaled fumes, in which case get fresh air and contact a poison centre or emergency services?", "kind": "boundary" } ] } ] }, { "id": "named", "name": "Named", "description": "Named ions.", "findings": [ { "id": "named-finding", "name": "Named", "description": "Named.", "questions": [ { "text": "What are polyoxometalates, heptamolybdate, tungstate, heteropolymetalates, hypohalites and iodite?", "kind": "definition" }, { "text": "Which entry fits the specific ion?", "kind": "action" } ] } ] } ] }, { "id": "chemistry", "name": "Chemistry", "description": "Structure and naming.", "rationale": "Science.", "layers": [ { "id": "naming", "name": "Naming", "description": "Nomenclature.", "findings": [ { "id": "naming-finding", "name": "Naming", "description": "Naming.", "questions": [ { "text": "How do -ate, -ite, hypo- and per- prefixes and suffixes work?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "structure", "name": "Structure", "description": "Structure.", "findings": [ { "id": "structure-finding", "name": "Structure", "description": "Structure.", "questions": [ { "text": "How do VSEPR and resonance describe oxyanion shapes?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "applications", "name": "Applications", "description": "Applications.", "rationale": "Application.", "layers": [ { "id": "pom", "name": "POMs", "description": "Polyoxometalates.", "findings": [ { "id": "pom-finding", "name": "POMs", "description": "POMs.", "questions": [ { "text": "How are polyoxometalates used in catalysis and materials?", "kind": "provenance" }, { "text": "Which entry fits Keggin structure?", "kind": "action" } ] } ] }, { "id": "bleach", "name": "Bleach", "description": "Hypochlorite bleach.", "findings": [ { "id": "bleach-finding", "name": "Bleach", "description": "Bleach.", "questions": [ { "text": "How does hypochlorite disinfect, and what safety labels apply?", "kind": "provenance" }, { "text": "Which entry fits sodium hypochlorite?", "kind": "action" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Environment.", "rationale": "Context.", "layers": [ { "id": "water", "name": "Water", "description": "Water contaminants.", "findings": [ { "id": "water-finding", "name": "Water", "description": "Water.", "questions": [ { "text": "Why are nitrate and perchlorate regulated in drinking water?", "kind": "provenance" }, { "text": "Which entry fits nitrate pollution?", "kind": "action" } ] } ] }, { "id": "nutrients", "name": "Nutrients", "description": "Nutrient cycles.", "findings": [ { "id": "nutrients-finding", "name": "Nutrients", "description": "Nutrients.", "questions": [ { "text": "How do phosphate and nitrate drive eutrophication?", "kind": "provenance" }, { "text": "Which entry fits eutrophication?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should polyoxometalates be a separate entry?", "How should chemistry references be linked?", "Should iodite be flagged as rarely isolated?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }