{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T08:41:57Z",
    "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": "2026-10-05T13:21:46+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:16:28+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: WordNet gloss",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-PARALLAX",
    "registryId": "vr.tr.parallax",
    "name": "parallax",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.FLW"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/parallax/",
  "model": {
    "registry_id": "vr.tr.parallax",
    "name": "parallax",
    "purpose": "Let an agent handle parallax by type, geometry, measurement and applications, including parallax error.",
    "definition": "The apparent displacement of an object when viewed from two different positions not on a line with the object, used to measure distances, as in stellar (annual) parallax, diurnal parallax and stereo vision; also a source of error in reading instruments.",
    "what_it_is_for": "Measuring distances to stars and objects, and depth perception.",
    "affordances": [
      "compute distances from parallax angles",
      "avoid parallax error when reading scales",
      "use stereo imaging",
      "look up stellar parallaxes"
    ],
    "distinguishing_features": [
      "Apparent shift from changing viewpoint",
      "Larger for nearer objects",
      "Basis of the parsec",
      "Also an instrument reading error"
    ],
    "appearance": "An apparent shift of a nearby object against a distant background.",
    "visual_identification": [
      "Parallax angles in arcseconds",
      "Parsec defined by parallax",
      "Parallax error on dial gauges"
    ],
    "physical_properties": [
      {
        "quantity": "parsec",
        "typical_range": "about 3.26",
        "unit": "light-years",
        "note": "distance at 1 arcsecond parallax"
      }
    ],
    "families_and_kinds": [
      "stellar (annual) parallax",
      "diurnal parallax",
      "binocular and stereo parallax",
      "parallax error in measurement"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "optical phenomenon",
        "why": "category"
      },
      {
        "relation": "is used to measure",
        "target": "distance",
        "why": "quantity"
      },
      {
        "relation": "defines",
        "target": "parsec",
        "why": "unit"
      },
      {
        "relation": "is measured by",
        "target": "astrometry missions",
        "why": "instruments"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "IAU definition of the parsec"
    ],
    "failure_modes_and_hazards": [
      "Reading gauges from an angle",
      "Ignoring measurement uncertainty for distant stars"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain parallax and use it to calculate distances with stated uncertainty.",
        "Warn users about parallax error when reading instruments."
      ],
      "must_not": [
        "Report an instrument reading taken at an angle without correcting or flagging parallax error.",
        "Present uncertain parallax distances as precise."
      ],
      "requires_human": [
        "Relying on a parallax-based measurement for safety-critical work."
      ]
    },
    "ethics": {
      "considerations": [
        "Reading errors can lead to wrong doses or settings.",
        "Distance scales in astronomy depend on careful measurement."
      ],
      "affected_parties": [
        "People relying on instrument readings",
        "Researchers"
      ]
    },
    "owners": {
      "steward": "Nobody: a physical phenomenon held in common.",
      "master_systems": [
        "Astrometric star catalogues"
      ]
    }
  },
  "sources": [
    {
      "id": "oewn",
      "title": "Open English WordNet 2024, synset oewn-11548676-n",
      "url": "https://en-word.net/id/oewn-11548676-n",
      "what_it_supports": "sense and gloss of the concept",
      "url_status": "live",
      "checked_by": "http 200"
    },
    {
      "id": "wiktionary-en",
      "title": "Wiktionary: parallax",
      "url": "https://en.wiktionary.org/wiki/parallax",
      "what_it_supports": "word senses and usage",
      "url_status": "live",
      "checked_by": "http 200"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "type",
        "name": "Type",
        "description": "Which parallax.",
        "rationale": "Types differ.",
        "layers": [
          {
            "id": "kind",
            "name": "Kind",
            "description": "Stellar, diurnal, stereo.",
            "findings": [
              {
                "id": "kind-finding",
                "name": "Kind",
                "description": "Parallax type.",
                "questions": [
                  {
                    "text": "Which kind of parallax is meant?",
                    "kind": "definition"
                  },
                  {
                    "text": "What is the baseline?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "geometry",
            "name": "Geometry",
            "description": "Triangle.",
            "findings": [
              {
                "id": "geometry-finding",
                "name": "Geometry",
                "description": "Geometry.",
                "questions": [
                  {
                    "text": "How does the geometry give distance?",
                    "kind": "definition"
                  },
                  {
                    "text": "What small-angle approximation is used?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "astronomy",
        "name": "Astronomy",
        "description": "Stellar distances.",
        "rationale": "Parallax anchors the distance ladder.",
        "layers": [
          {
            "id": "value",
            "name": "Value",
            "description": "Parallax angle.",
            "findings": [
              {
                "id": "value-finding",
                "name": "Value",
                "description": "Parallax value.",
                "questions": [
                  {
                    "text": "What is the star parallax and its uncertainty?",
                    "kind": "measurement"
                  },
                  {
                    "text": "From which catalogue?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "distance",
            "name": "Distance",
            "description": "Conversion.",
            "findings": [
              {
                "id": "distance-finding",
                "name": "Distance",
                "description": "Distance.",
                "questions": [
                  {
                    "text": "What distance does the parallax imply?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is simple inversion valid at this uncertainty?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "measurement",
        "name": "Measurement",
        "description": "Parallax error.",
        "rationale": "Reading angle matters.",
        "layers": [
          {
            "id": "error",
            "name": "Error",
            "description": "Instruments.",
            "findings": [
              {
                "id": "error-finding",
                "name": "Error",
                "description": "Parallax error.",
                "questions": [
                  {
                    "text": "Is the scale read straight on to avoid parallax error?",
                    "kind": "action"
                  },
                  {
                    "text": "Does the instrument have a mirror strip?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "stereo",
            "name": "Stereo",
            "description": "Depth.",
            "findings": [
              {
                "id": "stereo-finding",
                "name": "Stereo",
                "description": "Stereo depth.",
                "questions": [
                  {
                    "text": "How is parallax used in stereo imaging or vision?",
                    "kind": "definition"
                  },
                  {
                    "text": "What baseline is needed?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "learning",
        "name": "Learning",
        "description": "Teaching.",
        "rationale": "Simple demonstrations help.",
        "layers": [
          {
            "id": "demo",
            "name": "Demonstration",
            "description": "Thumb test.",
            "findings": [
              {
                "id": "demo-finding",
                "name": "Demonstration",
                "description": "Demonstration.",
                "questions": [
                  {
                    "text": "How can parallax be demonstrated simply?",
                    "kind": "action"
                  },
                  {
                    "text": "What does it show?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "history",
            "name": "History",
            "description": "First measurements.",
            "findings": [
              {
                "id": "history-finding",
                "name": "History",
                "description": "History.",
                "questions": [
                  {
                    "text": "When was stellar parallax first measured, according to historians?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Why did it matter?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should parallax types be separate entries?",
    "How should astrometry catalogues be linked?",
    "How should parallax error guidance be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}