{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T10:55:24Z",
    "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": "2026-10-05T16:30:00Z",
      "ingestedAt": "2026-10-05T13:29:39+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-06T22:32:48+00:00",
        "engine": "codex",
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      "version": "1.0",
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      "evidence": [
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        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
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  },
  "metaModel": {
    "id": "THING-Q13082",
    "registryId": "vr.tr.nuclear-fusion",
    "name": "nuclear fusion",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "ACT.PRC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q13082/",
  "model": {
    "registry_id": "vr.tr.nuclear-fusion",
    "name": "nuclear fusion",
    "purpose": "Let an agent explain nuclear fusion in stars and in energy research accurately, distinguishing experimental milestones from commercial reality and flagging unconfirmed claims.",
    "definition": "A nuclear reaction in which atomic nuclei combine to form a heavier nucleus, with energy released or absorbed depending on the nuclei and reaction involved; energy-releasing fusion powers the Sun and stars and is pursued for electricity through magnetic and inertial confinement research, while claims of cold fusion remain unconfirmed.",
    "what_it_is_for": "Understanding stars and a potential future energy source.",
    "affordances": [
      "explain fusion reactions and conditions",
      "describe research approaches",
      "assess claims of breakthroughs against sources",
      "compare with fission"
    ],
    "distinguishing_features": [
      "Atomic nuclei combine, and the reaction can release or absorb energy.",
      "Fusion requires extreme temperature and pressure.",
      "Energy-releasing fusion powers stars.",
      "Fusion power is not yet commercial on Earth."
    ],
    "appearance": "Not visible directly; seen as starlight, plasma glow in devices and research facilities.",
    "visual_identification": [
      "Tokamaks, stellarators and laser facilities",
      "Deuterium-tritium reactions",
      "Fission splits heavy nuclei instead"
    ],
    "physical_properties": [],
    "families_and_kinds": [
      "stellar nucleosynthesis",
      "magnetic confinement fusion",
      "inertial confinement fusion",
      "deuterium-tritium fusion",
      "unconfirmed approaches such as cold fusion"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "nuclear reaction",
        "why": "category"
      },
      {
        "relation": "powers",
        "target": "star",
        "why": "natural setting"
      },
      {
        "relation": "is pursued in",
        "target": "ITER and other fusion experiments",
        "why": "research"
      },
      {
        "relation": "is contrasted with",
        "target": "nuclear fission",
        "why": "other reaction"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Nuclear and radiation safety regulation for fusion facilities"
    ],
    "failure_modes_and_hazards": [
      "Overstating how close commercial fusion is",
      "Repeating unconfirmed claims",
      "Confusing fusion with fission"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain fusion physics and the status of research from reliable sources.",
        "Distinguish experimental results from claims of practical power generation."
      ],
      "must_not": [
        "Present fusion power as commercially available when it is not.",
        "Assist in designing or building nuclear weapons.",
        "Overstate experimental results to attract investment.",
        "Help evade controls on nuclear materials or technology."
      ],
      "requires_human": [
        "Any work with radioactive or controlled materials."
      ]
    },
    "ethics": {
      "considerations": [
        "Fusion is linked to thermonuclear weapons and to hopes for clean energy.",
        "Hype distorts energy policy and investment."
      ],
      "affected_parties": [
        "The public",
        "Researchers",
        "Investors"
      ]
    },
    "owners": {
      "steward": "Nobody owns the process; research facilities and nuclear regulators answer for experiments.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q13082: nuclear fusion",
      "url": "https://www.wikidata.org/wiki/Q13082",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Nuclear fusion",
      "url": "https://en.wikipedia.org/wiki/Nuclear_fusion",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "physics",
        "name": "Physics",
        "description": "How it works.",
        "rationale": "Physics sets conditions.",
        "layers": [
          {
            "id": "reaction",
            "name": "Reaction",
            "description": "Nuclei.",
            "findings": [
              {
                "id": "reaction-finding",
                "name": "Reaction",
                "description": "Fusion reaction.",
                "questions": [
                  {
                    "text": "Which nuclei fuse and what products and energy result?",
                    "kind": "definition"
                  },
                  {
                    "text": "What conditions are needed?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "stars",
            "name": "Stars",
            "description": "Stellar fusion.",
            "findings": [
              {
                "id": "stars-finding",
                "name": "Stars",
                "description": "Stellar fusion.",
                "questions": [
                  {
                    "text": "How does fusion power the Sun?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which reaction chains dominate?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "research",
        "name": "Research",
        "description": "Energy.",
        "rationale": "Research is ongoing.",
        "layers": [
          {
            "id": "approaches",
            "name": "Approaches",
            "description": "Confinement.",
            "findings": [
              {
                "id": "approaches-finding",
                "name": "Approaches",
                "description": "Research approaches.",
                "questions": [
                  {
                    "text": "How do magnetic and inertial confinement differ?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which facilities pursue each?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "milestones",
            "name": "Milestones",
            "description": "Results.",
            "findings": [
              {
                "id": "milestones-finding",
                "name": "Milestones",
                "description": "Milestones.",
                "questions": [
                  {
                    "text": "What milestone was reported, and what exactly was measured?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Does it mean net electricity to the grid?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "claims",
        "name": "Claims",
        "description": "Evaluating news.",
        "rationale": "Claims need scrutiny.",
        "layers": [
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            "id": "verify",
            "name": "Verify",
            "description": "Peer review.",
            "findings": [
              {
                "id": "verify-finding",
                "name": "Verify",
                "description": "Verification.",
                "questions": [
                  {
                    "text": "Has the claimed result been peer reviewed and replicated?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Which sources confirm it?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "cold",
            "name": "Cold fusion",
            "description": "Unconfirmed.",
            "findings": [
              {
                "id": "cold-finding",
                "name": "Cold fusion",
                "description": "Unconfirmed claims.",
                "questions": [
                  {
                    "text": "Is a cold fusion or similar claim scientifically confirmed?",
                    "kind": "boundary"
                  },
                  {
                    "text": "What do reviews conclude?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "comparison",
        "name": "Comparison",
        "description": "Energy context.",
        "rationale": "Context matters.",
        "layers": [
          {
            "id": "fission",
            "name": "Fission",
            "description": "Differences.",
            "findings": [
              {
                "id": "fission-finding",
                "name": "Fission",
                "description": "Fusion versus fission.",
                "questions": [
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                    "text": "How does fusion differ from fission in fuel, waste and safety?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which sources explain it?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "timeline",
            "name": "Timeline",
            "description": "Commercial prospects.",
            "findings": [
              {
                "id": "timeline-finding",
                "name": "Timeline",
                "description": "Commercial prospects.",
                "questions": [
                  {
                    "text": "What do independent assessments say about timelines to commercial fusion?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How uncertain are they?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should confinement approaches be separate entries?",
    "How should milestones be sourced?",
    "How should unconfirmed claims be flagged?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}