{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T20:31:50Z",
    "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": "2026-10-05T23:50:00Z",
      "ingestedAt": "2026-10-05T20:47:55+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-07T11:33:11+00:00",
        "engine": "codex",
        "fields": [
          "definition"
        ],
        "answering_review": "b459522e4ae896d80568732c4159808443ec6046bb73e03f7a8324c532c30a51"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:16:33+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q4396596",
    "registryId": "vr.tr.klemperer-rosette",
    "name": "Klemperer rosette",
    "version": "0.2.0-wave.2",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.SPC"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q4396596/",
  "model": {
    "registry_id": "vr.tr.klemperer-rosette",
    "name": "Klemperer rosette",
    "purpose": "Let an agent explain the Klemperer rosette concept, its mathematical basis and instability, and its uses in fiction and thought experiments, with attribution.",
    "definition": "A hypothetical gravitational configuration proposed by Wolfgang Klemperer in 1962 in which bodies of equal or alternating masses orbit a common centre under mutual gravity in a symmetric arrangement that can comprise two interleaved regular polygons with different radii; rosettes are exact solutions of the n-body problem but are unstable to perturbations and are not observed in nature, appearing mainly in celestial mechanics and science fiction.",
    "what_it_is_for": "Celestial mechanics and imagination.",
    "affordances": [
      "explain the configuration and its origin",
      "explain why it is unstable",
      "describe uses in fiction and thought experiments",
      "clarify that none are observed"
    ],
    "distinguishing_features": [
      "Symmetric n-body configuration",
      "Exact but unstable solution",
      "Not observed",
      "Popular in fiction"
    ],
    "appearance": "Not observed; a symmetric arrangement of bodies in diagrams.",
    "visual_identification": [
      "Polygonal arrangement of orbiting bodies",
      "Theoretical solution",
      "Real planetary systems are not rosettes"
    ],
    "physical_properties": [
      {
        "quantity": "Body mass",
        "unit": "kilogram",
        "typical_range": "",
        "note": "Mass is specified for each body in the mathematical model, with no established natural population providing a typical range."
      },
      {
        "quantity": "Orbital radius",
        "unit": "metre",
        "typical_range": "",
        "note": "Radius is the distance from a body's centre to the common centre of the idealized configuration."
      },
      {
        "quantity": "Rotation period",
        "unit": "second",
        "typical_range": "",
        "note": "Period is the time required for the idealized configuration to complete one revolution."
      }
    ],
    "families_and_kinds": [
      "rosettes with equal masses",
      "rosettes with alternating masses",
      "related central configurations",
      "fictional rosettes"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "gravitationally bound system",
        "why": "category"
      },
      {
        "relation": "is studied in",
        "target": "celestial mechanics",
        "why": "field"
      },
      {
        "relation": "is related to",
        "target": "superior planet",
        "why": "orbital concepts"
      },
      {
        "relation": "is related to",
        "target": "black star",
        "why": "other theoretical object"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "No regulation"
    ],
    "failure_modes_and_hazards": [
      "Presenting rosettes as physically realised",
      "Confusing with stable Lagrange configurations"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe the Klemperer rosette and its stability from astrophysics sources.",
        "Note that no such system is known to exist in nature."
      ],
      "must_not": [
        "Present the configuration as an observed system.",
        "Misattribute its proposal or date.",
        "Use it to support pseudoscientific claims."
      ],
      "requires_human": [
        "Publishing new stability results as established."
      ]
    },
    "ethics": {
      "considerations": [
        "Accurate description of hypothetical systems keeps science and fiction distinct.",
        "Fringe claims borrow real-sounding concepts to mislead."
      ],
      "affected_parties": [
        "Students",
        "Readers of science"
      ]
    },
    "owners": {
      "steward": "Nobody owns the concept; astrophysics researchers document it.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q4396596: Klemperer rosette",
      "url": "https://www.wikidata.org/wiki/Q4396596",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Klemperer rosette",
      "url": "https://en.wikipedia.org/wiki/Klemperer_rosette",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "concept",
        "name": "Concept",
        "description": "What a rosette is.",
        "rationale": "Attribute to Klemperer.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "The configuration.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What did Klemperer propose, and what arrangements did he analyse?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How does the configuration satisfy the equations of motion?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "variants",
            "name": "Variants",
            "description": "Kinds of rosette.",
            "findings": [
              {
                "id": "variants-finding",
                "name": "Variants",
                "description": "Variants.",
                "questions": [
                  {
                    "text": "How do equal-mass and alternating-mass rosettes differ?",
                    "kind": "definition"
                  },
                  {
                    "text": "How do they relate to other central configurations?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "stability",
        "name": "Stability",
        "description": "Why they do not exist.",
        "rationale": "Instability.",
        "layers": [
          {
            "id": "instability",
            "name": "Instability",
            "description": "Perturbations.",
            "findings": [
              {
                "id": "instability-finding",
                "name": "Instability",
                "description": "Instability.",
                "questions": [
                  {
                    "text": "Why is a rosette unstable to small perturbations, and how quickly does it break up?",
                    "kind": "definition"
                  },
                  {
                    "text": "Could active correction maintain one?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "compare",
            "name": "Compare",
            "description": "Stable configurations.",
            "findings": [
              {
                "id": "compare-finding",
                "name": "Compare",
                "description": "Comparison.",
                "questions": [
                  {
                    "text": "How do rosettes compare with stable configurations such as Lagrange points?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits Lagrange points?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "fiction",
        "name": "Fiction",
        "description": "Rosettes in culture.",
        "rationale": "Imagination.",
        "layers": [
          {
            "id": "uses",
            "name": "Uses",
            "description": "In fiction.",
            "findings": [
              {
                "id": "uses-finding",
                "name": "Uses",
                "description": "Fiction.",
                "questions": [
                  {
                    "text": "How have rosettes been used in science fiction and games?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Are they presented as speculative?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "megastructures",
            "name": "Megastructures",
            "description": "Engineered systems.",
            "findings": [
              {
                "id": "megastructures-finding",
                "name": "Megastructures",
                "description": "Megastructures.",
                "questions": [
                  {
                    "text": "How do rosettes feature in discussions of hypothetical megastructures?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What physical limits apply?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "learn",
        "name": "Learn",
        "description": "Study.",
        "rationale": "Simulation.",
        "layers": [
          {
            "id": "simulate",
            "name": "Simulate",
            "description": "Simulating a rosette.",
            "findings": [
              {
                "id": "simulate-finding",
                "name": "Simulate",
                "description": "Simulation.",
                "questions": [
                  {
                    "text": "How can a rosette be simulated numerically to show its instability?",
                    "kind": "action"
                  },
                  {
                    "text": "Which tools suit teaching?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "explain",
            "name": "Explain",
            "description": "Plain language.",
            "findings": [
              {
                "id": "explain-finding",
                "name": "Explain",
                "description": "Plain explanation.",
                "questions": [
                  {
                    "text": "How can the rosette be explained simply while noting it is theoretical?",
                    "kind": "action"
                  },
                  {
                    "text": "Which caveats apply?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should central configurations be a separate entry?",
    "How should the original paper be linked?",
    "How should fictional uses be catalogued?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}