{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T04:43:14Z",
    "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": "2026-10-05T20:53:30+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "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-Q758",
    "registryId": "vr.tr.zinc",
    "name": "zinc",
    "version": "0.2.0-wave.2",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.MAT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q758/",
  "model": {
    "registry_id": "vr.tr.zinc",
    "name": "zinc",
    "purpose": "Let an agent explain zinc as an element and its properties and isotopes, describe its industrial uses and biological role, relay nutrition information from health bodies, and support learning.",
    "definition": "The chemical element with atomic number thirty, a bluish-white metal that is the fourth most used metal, occurring in ores such as sphalerite and rarely as native zinc, with five stable isotopes and many radioactive ones, essential to life as a trace element in enzymes and immune function, and used for galvanising steel against corrosion, in brass and other alloys, batteries, die casting, pigments and dietary supplements; zinc is mined and smelted worldwide and its deficiency is a global nutrition concern.",
    "what_it_is_for": "Element thirty, an essential and industrial metal.",
    "affordances": [
      "explain the element",
      "describe industrial uses",
      "relay nutrition information",
      "support learning"
    ],
    "distinguishing_features": [
      "Corrosion protection",
      "Essential trace element",
      "Alloy component",
      "Wide production"
    ],
    "appearance": "A bluish-white metal.",
    "visual_identification": [
      "Atomic number thirty",
      "Galvanising and brass",
      "Cadmium and mercury are heavier group members; tin is a different metal used in coatings"
    ],
    "physical_properties": [
      {
        "quantity": "Mass density",
        "unit": "grams per cubic centimetre",
        "typical_range": "Approximately 7.14",
        "note": "This approximate value applies to solid elemental zinc near room temperature."
      },
      {
        "quantity": "Melting temperature",
        "unit": "degrees Celsius",
        "typical_range": "Approximately 420",
        "note": "This approximate value applies to pure elemental zinc at atmospheric pressure."
      },
      {
        "quantity": "Boiling temperature",
        "unit": "degrees Celsius",
        "typical_range": "Approximately 907",
        "note": "This approximate value applies to pure elemental zinc at atmospheric pressure."
      }
    ],
    "families_and_kinds": [
      "zinc metal and galvanising",
      "zinc alloys such as brass",
      "zinc compounds such as oxide and sulfide",
      "zinc isotopes",
      "zinc in nutrition and medicine"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "post-transition metal",
        "why": "category"
      },
      {
        "relation": "is a kind of",
        "target": "chemical element",
        "why": "category"
      },
      {
        "relation": "is related to",
        "target": "metalworking",
        "why": "working zinc and brass"
      },
      {
        "relation": "is related to",
        "target": "iodine",
        "why": "another essential element entry"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Dietary reference intakes for zinc",
      "Galvanising and alloy standards",
      "Environmental rules on zinc emissions"
    ],
    "failure_modes_and_hazards": [
      "Metal fume fever from welding galvanised steel",
      "Zinc deficiency and excess",
      "Agents giving personal supplement advice"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Report zinc's properties, uses and dietary role from scientific sources.",
        "Flag that heating galvanised metal can release harmful fumes."
      ],
      "must_not": [
        "Recommend zinc supplement doses for a person in place of a clinician.",
        "Advise welding or cutting galvanised steel without ventilation and protection.",
        "Help dump zinc-bearing waste into water or soil.",
        "Misrepresent zinc remedies as cures for disease."
      ],
      "requires_human": [
        "Treating a person for zinc deficiency or poisoning."
      ]
    },
    "ethics": {
      "considerations": [
        "Zinc is essential to health, and deficiency affects millions of children.",
        "Mining and smelting zinc have polluted communities and rivers."
      ],
      "affected_parties": [
        "Workers in smelting and metalwork",
        "Communities near mines",
        "People with deficiency"
      ]
    },
    "owners": {
      "steward": "Nobody: an element; the owner of any material or mine answers for it.",
      "master_systems": [
        "Mineral rights and mining licence registers"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q758: zinc",
      "url": "https://www.wikidata.org/wiki/Q758",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Zinc",
      "url": "https://en.wikipedia.org/wiki/Zinc",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What zinc is.",
        "rationale": "Chemistry.",
        "layers": [
          {
            "id": "element",
            "name": "Element",
            "description": "The element.",
            "findings": [
              {
                "id": "element-finding",
                "name": "Element",
                "description": "Element.",
                "questions": [
                  {
                    "text": "What are the properties, occurrence and chemistry of zinc?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the periodic table?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "isotopes",
            "name": "Isotopes",
            "description": "Isotopes and compounds.",
            "findings": [
              {
                "id": "isotopes-finding",
                "name": "Isotopes",
                "description": "Isotopes.",
                "questions": [
                  {
                    "text": "What isotopes and important compounds of zinc exist?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits zinc oxide?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "use",
        "name": "Use",
        "description": "Industrial uses.",
        "rationale": "Industry.",
        "layers": [
          {
            "id": "galvanising",
            "name": "Galvanising",
            "description": "Galvanising and alloys.",
            "findings": [
              {
                "id": "galvanising-finding",
                "name": "Galvanising",
                "description": "Galvanising.",
                "questions": [
                  {
                    "text": "How does zinc protect steel from corrosion, and how are brass and other alloys used?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits corrosion protection?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "other",
            "name": "Other",
            "description": "Batteries, casting and pigments.",
            "findings": [
              {
                "id": "other-finding",
                "name": "Other",
                "description": "Other.",
                "questions": [
                  {
                    "text": "How is zinc used in batteries, die casting, pigments and other products?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits a specific application?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "health",
        "name": "Health",
        "description": "Biological role.",
        "rationale": "General information.",
        "layers": [
          {
            "id": "nutrition",
            "name": "Nutrition",
            "description": "Nutrition.",
            "findings": [
              {
                "id": "nutrition-finding",
                "name": "Nutrition",
                "description": "Nutrition.",
                "questions": [
                  {
                    "text": "Why is zinc essential, what are dietary sources, and what do health bodies say about deficiency and supplements?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the user asking about their own intake, which needs a professional?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "safety",
            "name": "Safety",
            "description": "Safety.",
            "findings": [
              {
                "id": "safety-finding",
                "name": "Safety",
                "description": "Safety.",
                "questions": [
                  {
                    "text": "What hazards such as metal fume fever and excess intake are recognised by safety and health bodies?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is an exposure emergency present now?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "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 was zinc used in brass and isolated as a metal historically?",
                    "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 zinc illustrate corrosion chemistry and nutrition?",
                    "kind": "action"
                  },
                  {
                    "text": "Which misconceptions arise?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should galvanising be a separate entry?",
    "How should nutrition guidance be linked?",
    "How should industry data be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}