{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T13:33:51Z",
    "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": "2026-10-05T13:26:10+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q386772",
    "registryId": "vr.tr.kreutz-sungrazers",
    "name": "Kreutz sungrazers",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.SPC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q386772/",
  "model": {
    "registry_id": "vr.tr.kreutz-sungrazers",
    "name": "Kreutz sungrazers",
    "purpose": "Let an agent explain Kreutz sungrazers by orbit, history, notable members, detection and fate near the Sun, with sourced findings.",
    "definition": "A family of sungrazing comets with very similar orbits that pass extremely close to the Sun at perihelion, thought to be fragments of a single large comet that broke up; named after Heinrich Kreutz, it includes the Great Comet of 1882 and Comet Ikeya-Seki, and thousands of small members have been found by the SOHO spacecraft.",
    "what_it_is_for": "Understanding comet fragmentation and solar environment.",
    "affordances": [
      "explain what makes a comet a Kreutz sungrazer",
      "describe famous members",
      "find SOHO comet discoveries",
      "explain what happens at perihelion"
    ],
    "distinguishing_features": [
      "Common parent body",
      "Extremely close perihelia",
      "Many fragments",
      "Most small members disintegrate"
    ],
    "appearance": "Bright comets with long tails near the Sun, or tiny streaks in coronagraph images.",
    "visual_identification": [
      "Very small perihelion distances",
      "Coronagraph detections by SOHO",
      "Other sungrazer groups have different orbits"
    ],
    "physical_properties": [],
    "families_and_kinds": [
      "great Kreutz comets",
      "small SOHO-discovered fragments",
      "subgroups of the Kreutz family"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "sungrazing comet",
        "why": "category"
      },
      {
        "relation": "is named after",
        "target": "Heinrich Kreutz",
        "why": "person"
      },
      {
        "relation": "is observed by",
        "target": "SOHO",
        "why": "spacecraft"
      },
      {
        "relation": "is related to",
        "target": "comet",
        "why": "class"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Minor Planet Center comet designations"
    ],
    "failure_modes_and_hazards": [
      "Predicting brightness too confidently",
      "Sensational claims about comets and the Sun"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe the Kreutz family and its members from published orbital data.",
        "Report new sungrazer discoveries with their source and confirmation status."
      ],
      "must_not": [
        "Claim that a sungrazer threatens Earth without evidence.",
        "Present the breakup history of the family as settled when it remains a hypothesis.",
        "Credit a discovery to the wrong observer or omit amateur discoverers."
      ],
      "requires_human": [
        "Announcing a new member of the family as confirmed."
      ]
    },
    "ethics": {
      "considerations": [
        "Comet scares spread quickly; accurate reporting prevents needless fear.",
        "Many sungrazers are found by amateurs whose credit should be respected."
      ],
      "affected_parties": [
        "The public",
        "Amateur and professional astronomers"
      ]
    },
    "owners": {
      "steward": "Nobody: natural objects held in common; the astronomical community names and catalogues them.",
      "master_systems": [
        "Minor Planet Center comet and orbit catalogues"
      ]
    }
  },
  "sources": [],
  "structure": {
    "bundles": [
      {
        "id": "family",
        "name": "Family",
        "description": "Membership.",
        "rationale": "Orbits define membership.",
        "layers": [
          {
            "id": "orbit",
            "name": "Orbit",
            "description": "Orbital elements.",
            "findings": [
              {
                "id": "orbit-finding",
                "name": "Orbit",
                "description": "Orbital elements.",
                "questions": [
                  {
                    "text": "Which orbital elements identify a comet as a Kreutz sungrazer?",
                    "kind": "definition"
                  },
                  {
                    "text": "How close does it pass to the Sun?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "origin",
            "name": "Origin",
            "description": "Parent comet.",
            "findings": [
              {
                "id": "origin-finding",
                "name": "Origin",
                "description": "Origin.",
                "questions": [
                  {
                    "text": "What do astronomers propose about the parent comet and its break-up?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How certain is the history?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "members",
        "name": "Members",
        "description": "Notable comets.",
        "rationale": "History needs sources.",
        "layers": [
          {
            "id": "great",
            "name": "Great comets",
            "description": "Bright members.",
            "findings": [
              {
                "id": "great-finding",
                "name": "Great comets",
                "description": "Great comets.",
                "questions": [
                  {
                    "text": "Which great comets belong to the family, according to sources?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How bright did they become?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "soho",
            "name": "SOHO",
            "description": "Small fragments.",
            "findings": [
              {
                "id": "soho-finding",
                "name": "SOHO",
                "description": "SOHO discoveries.",
                "questions": [
                  {
                    "text": "How many Kreutz comets has SOHO discovered, according to the mission?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How can amateurs help find them?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "physics",
        "name": "Physics",
        "description": "Near the Sun.",
        "rationale": "Extreme conditions.",
        "layers": [
          {
            "id": "fate",
            "name": "Fate",
            "description": "Survival.",
            "findings": [
              {
                "id": "fate-finding",
                "name": "Fate",
                "description": "Fate at perihelion.",
                "questions": [
                  {
                    "text": "Why do most small members disintegrate near the Sun?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which comets survived?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "corona",
            "name": "Corona",
            "description": "Solar environment.",
            "findings": [
              {
                "id": "corona-finding",
                "name": "Corona",
                "description": "Solar environment.",
                "questions": [
                  {
                    "text": "What can sungrazers reveal about the solar corona?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which studies use them?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "observing",
        "name": "Observing",
        "description": "Viewing.",
        "rationale": "Protect eyes.",
        "layers": [
          {
            "id": "view",
            "name": "View",
            "description": "Seeing a sungrazer.",
            "findings": [
              {
                "id": "view-finding",
                "name": "View",
                "description": "Viewing.",
                "questions": [
                  {
                    "text": "When and where could a bright sungrazer be seen safely?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Why must the Sun never be viewed directly?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "forecast",
            "name": "Forecast",
            "description": "Brightness forecasts.",
            "findings": [
              {
                "id": "forecast-finding",
                "name": "Forecast",
                "description": "Forecasts.",
                "questions": [
                  {
                    "text": "How reliable are brightness predictions for new sungrazers?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Which sources publish them?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each great comet be a separate entry?",
    "How should SOHO discovery counts be linked?",
    "How should subgroups be recorded?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}