{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T01:28:50Z",
    "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": "2026-10-05T23:55:00Z",
      "ingestedAt": "2026-10-05T20:54:16+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:54+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q133327",
    "registryId": "vr.tr.spacetime",
    "name": "spacetime",
    "version": "0.2.0-wave.2",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "XCT.STA"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q133327/",
  "model": {
    "registry_id": "vr.tr.spacetime",
    "name": "spacetime",
    "purpose": "Let an agent explain spacetime in special and general relativity, describe curvature, solutions and observable consequences, present speculative topics with clear labelling, and support learning.",
    "definition": "The unified four-dimensional continuum of space and time in which events are located, introduced in special relativity and, in general relativity, curved by mass and energy so that gravity is described as spacetime geometry through solutions of the Einstein field equations, including stationary spacetimes, black holes and cosmological models; spacetime is contrasted with non-relativistic space plus absolute time and is studied in physics and philosophy, including speculative topics such as time travel domains.",
    "what_it_is_for": "The unified continuum of space and time.",
    "affordances": [
      "explain relativistic spacetime",
      "describe curvature and solutions",
      "label speculative topics",
      "support learning"
    ],
    "distinguishing_features": [
      "Four dimensions",
      "Lorentz structure",
      "Curvature",
      "Field equation solutions"
    ],
    "appearance": "Not physical as an object; the arena of events.",
    "visual_identification": [
      "Four-dimensional continuum",
      "Curved by mass and energy",
      "Newtonian space and time are separate absolutes"
    ],
    "physical_properties": [],
    "families_and_kinds": [
      "Minkowski spacetime of special relativity",
      "curved spacetimes of general relativity",
      "stationary and black hole solutions",
      "cosmological spacetimes",
      "speculative and exotic spacetimes"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "spacetime curvature",
        "why": "category"
      },
      {
        "relation": "is related to",
        "target": "curvature",
        "why": "geometric curvature"
      },
      {
        "relation": "is related to",
        "target": "space",
        "why": "space as a component"
      },
      {
        "relation": "is related to",
        "target": "plasma",
        "why": "astrophysical contexts"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Conventions of relativity and differential geometry",
      "Scientific standards of evidence for speculative claims"
    ],
    "failure_modes_and_hazards": [
      "Presenting speculative spacetimes as established",
      "Confusing coordinate and physical effects",
      "Popular misconceptions about relativity"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain spacetime in special and general relativity at an appropriate level.",
        "Compute relativistic effects, such as time dilation, for problems and systems it is authorized to model.",
        "Point to tested predictions and their evidence."
      ],
      "must_not": [
        "Present speculative ideas, such as time travel or warp drives, as established physics.",
        "Misuse relativity to support pseudoscience or unrelated claims.",
        "Omit relativistic corrections where systems such as satellite timing require them.",
        "Attribute ideas to physicists without evidence."
      ],
      "requires_human": [
        "Changing timing corrections in navigation systems that others depend on."
      ]
    },
    "ethics": {
      "considerations": [
        "Clear explanation of physics supports public trust in science.",
        "Navigation systems people rely on depend on correct relativistic corrections."
      ],
      "affected_parties": [
        "Students",
        "Users of navigation systems"
      ]
    },
    "owners": {
      "steward": "Nobody: a physical concept held in common.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q133327: spacetime",
      "url": "https://www.wikidata.org/wiki/Q133327",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Spacetime",
      "url": "https://en.wikipedia.org/wiki/Spacetime",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What spacetime is.",
        "rationale": "Physics.",
        "layers": [
          {
            "id": "special",
            "name": "Special",
            "description": "Special relativity.",
            "findings": [
              {
                "id": "special-finding",
                "name": "Special",
                "description": "Special relativity.",
                "questions": [
                  {
                    "text": "How does special relativity unify space and time into Minkowski spacetime, and what are intervals, light cones and frames?",
                    "kind": "definition"
                  },
                  {
                    "text": "How does this differ from non-relativistic space and time?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "general",
            "name": "General",
            "description": "General relativity.",
            "findings": [
              {
                "id": "general-finding",
                "name": "General",
                "description": "General relativity.",
                "questions": [
                  {
                    "text": "How does mass and energy curve spacetime, and what do the Einstein field equations describe?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits general relativity?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "solutions",
        "name": "Solutions",
        "description": "Solutions and phenomena.",
        "rationale": "Theory.",
        "layers": [
          {
            "id": "solutions",
            "name": "Solutions",
            "description": "Solutions of the field equations.",
            "findings": [
              {
                "id": "solutions-finding",
                "name": "Solutions",
                "description": "Solutions.",
                "questions": [
                  {
                    "text": "What are the Schwarzschild, Kerr, cosmological and plane wave solutions, and what do stationary spacetimes mean?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits a specific solution?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "observations",
            "name": "Observations",
            "description": "Observed consequences.",
            "findings": [
              {
                "id": "observations-finding",
                "name": "Observations",
                "description": "Observations.",
                "questions": [
                  {
                    "text": "What observations confirm spacetime curvature, from light bending and time dilation to gravitational waves?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits gravitational waves?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "speculative",
        "name": "Speculative",
        "description": "Speculative topics.",
        "rationale": "Attribution.",
        "layers": [
          {
            "id": "exotic",
            "name": "Exotic",
            "description": "Exotic spacetimes.",
            "findings": [
              {
                "id": "exotic-finding",
                "name": "Exotic",
                "description": "Exotic.",
                "questions": [
                  {
                    "text": "What are wormholes, closed timelike curves and proposed time travel domains, and how do physicists assess them?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Are speculative ideas clearly labelled as unconfirmed?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "philosophy",
            "name": "Philosophy",
            "description": "Philosophy of spacetime.",
            "findings": [
              {
                "id": "philosophy-finding",
                "name": "Philosophy",
                "description": "Philosophy.",
                "questions": [
                  {
                    "text": "How do philosophers treat the reality of spacetime, substantivalism and the nature of time, with positions attributed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits philosophy of physics?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "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 did the concept of spacetime develop from Minkowski and Einstein onward?",
                    "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 spacetime be taught with diagrams and analogies while avoiding misconceptions?",
                    "kind": "action"
                  },
                  {
                    "text": "Which misconceptions arise?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each solution be a separate entry?",
    "How should physics resources be linked?",
    "How should speculative topics be labelled?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}