{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T15:39:07Z",
    "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": "2026-10-06T07:38:18+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:56+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q19557",
    "registryId": "vr.tr.alkali-metal",
    "name": "alkali metal",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.MAT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q19557/",
  "model": {
    "registry_id": "vr.tr.alkali-metal",
    "name": "alkali metal",
    "purpose": "Let an agent explain the alkali metals and their properties, relay trends, reactions and uses from chemistry references at a public level, describe the predicted heavier members, and distinguish alkali metals from alkaline earth metals, from hydrogen in group 1 and from alkalis as bases.",
    "definition": "Any of the chemical elements of group 1 of the periodic table, lithium, sodium, potassium, rubidium, caesium and francium, soft, highly reactive metals with one valence electron that react vigorously with water to form alkaline hydroxides, with the undiscovered elements ununennium, element 119, and unsepttrium, element 173, predicted to belong to the group; alkali metals are stored under oil or inert gas and are essential in batteries, chemistry and biology.",
    "what_it_is_for": "Not applicable; an element group.",
    "affordances": [
      "explain the group",
      "relay properties and trends",
      "describe predicted elements",
      "distinguish related concepts"
    ],
    "distinguishing_features": [
      "One valence electron",
      "Highly reactive",
      "Soft and low density",
      "Alkaline hydroxides"
    ],
    "appearance": "Soft, silvery metals that tarnish quickly in air.",
    "visual_identification": [
      "Group 1 metals with one valence electron",
      "Lithium, sodium, potassium, rubidium, caesium, francium; predicted ununennium and unsepttrium",
      "Alkaline earth metals are group 2; hydrogen is a non-metal in group 1; alkalis are bases"
    ],
    "physical_properties": [
      {
        "quantity": "members",
        "typical_range": "6 known",
        "unit": "count",
        "note": ""
      },
      {
        "quantity": "reactivity",
        "typical_range": "increases down the group",
        "unit": "note",
        "note": ""
      },
      {
        "quantity": "caesium melting point",
        "typical_range": "about 28.5",
        "unit": "C",
        "note": ""
      },
      {
        "quantity": "ununennium",
        "typical_range": "element 119, not yet synthesised",
        "unit": "note",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "lithium",
      "sodium",
      "potassium",
      "rubidium",
      "caesium",
      "francium",
      "predicted ununennium and unsepttrium"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "metal",
        "why": "in registry terms"
      },
      {
        "relation": "is a kind of",
        "target": "water-reactive substance",
        "why": "in registry terms"
      },
      {
        "relation": "is contrasted with",
        "target": "alkaline earth metal",
        "why": "group 2"
      },
      {
        "relation": "is exemplified by",
        "target": "sodium",
        "why": "the most familiar member"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Hazardous materials rules for storage and transport",
      "IUPAC nomenclature for undiscovered elements"
    ],
    "failure_modes_and_hazards": [
      "Fire and explosion on contact with water",
      "Confusing with alkaline earth metals or alkalis",
      "Registry aliases naming hypothetical elements"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain the properties and periodic trends of the alkali metals in general terms.",
        "Read hazard labels and safety data sheets for alkali metals and report them."
      ],
      "must_not": [
        "Provide instructions for reactions of alkali metals intended to cause fires or explosions.",
        "Handle or store alkali metals outside a laboratory's safety procedures.",
        "Advise disposing of alkali metals in water, drains or ordinary waste.",
        "Encourage demonstrations with alkali metals outside supervised settings."
      ],
      "requires_human": [
        "Any handling, transport or disposal of the metals.",
        "Responding to a fire involving alkali metals."
      ]
    },
    "ethics": {
      "considerations": [
        "Reactive metals cause burns and fires that harm students and workers.",
        "Lithium and caesium mining raises environmental and labour concerns."
      ],
      "affected_parties": [
        "Laboratory workers",
        "Students",
        "Emergency responders"
      ]
    },
    "owners": {
      "steward": "The holder of the chemicals, under chemical safety regulators.",
      "master_systems": [
        "Chemical substance registers"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q19557: alkali metal",
      "url": "https://www.wikidata.org/wiki/Q19557",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Alkali metal",
      "url": "https://en.wikipedia.org/wiki/Alkali_metal",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What alkali metals are.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What are the alkali metals, and how do they differ from alkaline earth metals, hydrogen and alkalis?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about the group, an element, reactions or predicted elements?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "members",
            "name": "Members",
            "description": "Members.",
            "findings": [
              {
                "id": "members-finding",
                "name": "Members",
                "description": "Members.",
                "questions": [
                  {
                    "text": "What are lithium, sodium, potassium, rubidium, caesium, francium and the predicted ununennium and unsepttrium?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific element?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "chemistry",
        "name": "Chemistry",
        "description": "Chemistry.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "trends",
            "name": "Trends",
            "description": "Trends.",
            "findings": [
              {
                "id": "trends-finding",
                "name": "Trends",
                "description": "Trends.",
                "questions": [
                  {
                    "text": "How do atomic radius, ionisation energy, reactivity and melting point vary down the group?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "reactions",
            "name": "Reactions",
            "description": "Reactions.",
            "findings": [
              {
                "id": "reactions-finding",
                "name": "Reactions",
                "description": "Reactions.",
                "questions": [
                  {
                    "text": "How do alkali metals react with water, halogens and oxygen?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "uses",
        "name": "Uses",
        "description": "Uses and safety.",
        "rationale": "Application.",
        "layers": [
          {
            "id": "uses",
            "name": "Uses",
            "description": "Uses.",
            "findings": [
              {
                "id": "uses-finding",
                "name": "Uses",
                "description": "Uses.",
                "questions": [
                  {
                    "text": "How are alkali metals used in batteries, atomic clocks, medicine and industry?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits lithium-ion battery?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "safety",
            "name": "Safety",
            "description": "Safety.",
            "findings": [
              {
                "id": "safety-finding",
                "name": "Safety",
                "description": "Safety.",
                "questions": [
                  {
                    "text": "How are alkali metals stored and handled safely, as regulators describe?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits hazardous material?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "History and frontiers.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "history",
            "name": "History",
            "description": "History.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "How were the alkali metals discovered, from Davy s electrolysis to francium?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the history of the periodic table?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "frontiers",
            "name": "Frontiers",
            "description": "Predicted elements.",
            "findings": [
              {
                "id": "frontiers-finding",
                "name": "Frontiers",
                "description": "Frontiers.",
                "questions": [
                  {
                    "text": "What is predicted for ununennium and unsepttrium, and how are they sought?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits extended periodic table?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should ununennium be a separate primary entry?",
    "How should chemistry references be linked?",
    "The registry entry has merged aliases naming hypothetical elements; should they be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}