{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-14T03:33:12Z",
    "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": 4,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T12:00:00Z",
      "ingestedAt": "2026-10-06T07:47:18+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:52:00+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q527",
    "registryId": "vr.tr.sky",
    "name": "sky",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.OBJ"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q527/",
  "model": {
    "registry_id": "vr.tr.sky",
    "name": "sky",
    "purpose": "Let an agent explain what the sky is, relay why it looks as it does and its role in weather, astronomy and aviation from science sources, distinguish the everyday sky from airspace as a legal notion, and describe the aliases.",
    "definition": "The sky is the expanse seen overhead from the surface of the Earth, appearing as a dome that is blue by day because of the scattering of sunlight and dark and star-filled at night; the registry aliases name related notions such as airspace, the night sky and seasonal skies. In everyday terms the sky is the visible atmosphere and space above, and it is the setting for weather, astronomy and flight, though it is not a physical object with a surface.",
    "what_it_is_for": "Not applicable; the overhead expanse above the Earth.",
    "affordances": [
      "explain what the sky is",
      "relay why it looks blue",
      "relay its role in weather and astronomy",
      "distinguish it from airspace"
    ],
    "distinguishing_features": [
      "Seen overhead",
      "Blue by day",
      "Dark and starry by night",
      "Not a solid object"
    ],
    "appearance": "A vast overhead expanse, blue with clouds by day, dark with stars and the Moon by night.",
    "visual_identification": [
      "The overhead expanse above the Earth",
      "Airspace, night sky, spring sky",
      "Airspace is a legal and navigational notion; outer space is beyond the atmosphere"
    ],
    "physical_properties": [
      {
        "quantity": "location",
        "typical_range": "above the Earth s surface",
        "unit": "note",
        "note": ""
      },
      {
        "quantity": "day colour",
        "typical_range": "blue from scattering",
        "unit": "note",
        "note": ""
      },
      {
        "quantity": "registry parent",
        "typical_range": "space",
        "unit": "note",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "day sky",
      "night sky",
      "seasonal skies"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "space",
        "why": "in registry terms"
      },
      {
        "relation": "is contrasted with",
        "target": "airspace",
        "why": ""
      },
      {
        "relation": "is contrasted with",
        "target": "outer space",
        "why": ""
      },
      {
        "relation": "is the setting for",
        "target": "weather",
        "why": ""
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Airspace regulation for the legal sense"
    ],
    "failure_modes_and_hazards": [
      "Treating the sky as a solid dome",
      "Confusing the sky with airspace",
      "Confusing the sky with outer space"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe the sky's appearance and why it is blue by day.",
        "Report sky conditions such as cloud cover from weather sources.",
        "Distinguish the sky from airspace and outer space."
      ],
      "must_not": [
        "Present the sky as a solid dome.",
        "Treat the sky as unregulated airspace when flying drones.",
        "Spread false claims about chemical trails or sky phenomena.",
        "Dismiss light pollution concerns."
      ],
      "requires_human": [
        "Using sky observations for aviation or safety decisions."
      ]
    },
    "ethics": {
      "considerations": [
        "The night sky is shared heritage threatened by light pollution.",
        "Skies hold cultural and spiritual meaning for many peoples."
      ],
      "affected_parties": [
        "Everyone who looks up",
        "Astronomers",
        "Indigenous communities"
      ]
    },
    "owners": {
      "steward": "The public: held in common; aviation authorities regulate airspace.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q527: sky",
      "url": "https://www.wikidata.org/wiki/Q527",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Sky",
      "url": "https://en.wikipedia.org/wiki/Sky",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What the sky is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is the sky, and how does it differ from airspace and outer space?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about the everyday sky or the legal airspace?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "aspects",
            "name": "Aspects",
            "description": "Day and night.",
            "findings": [
              {
                "id": "aspects-finding",
                "name": "Aspects",
                "description": "Aspects.",
                "questions": [
                  {
                    "text": "How do the day sky and night sky differ?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific aspect?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "appearance",
        "name": "Appearance",
        "description": "Appearance.",
        "rationale": "Sources.",
        "layers": [
          {
            "id": "blue",
            "name": "Blue",
            "description": "Why it is blue.",
            "findings": [
              {
                "id": "blue-finding",
                "name": "Blue",
                "description": "Blue.",
                "questions": [
                  {
                    "text": "Why does the day sky look blue?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "colours",
            "name": "Colours",
            "description": "Sunset colours.",
            "findings": [
              {
                "id": "colours-finding",
                "name": "Colours",
                "description": "Colours.",
                "questions": [
                  {
                    "text": "Why do sunrise and sunset skies turn red and orange?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "role",
        "name": "Role",
        "description": "Role.",
        "rationale": "Sources.",
        "layers": [
          {
            "id": "weather",
            "name": "Weather",
            "description": "Weather.",
            "findings": [
              {
                "id": "weather-finding",
                "name": "Weather",
                "description": "Weather.",
                "questions": [
                  {
                    "text": "How is the sky the setting for weather?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits weather?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "astronomy",
            "name": "Astronomy",
            "description": "Astronomy.",
            "findings": [
              {
                "id": "astronomy-finding",
                "name": "Astronomy",
                "description": "Astronomy.",
                "questions": [
                  {
                    "text": "How does the night sky reveal astronomical objects?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Context.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "aviation",
            "name": "Aviation",
            "description": "Aviation.",
            "findings": [
              {
                "id": "aviation-finding",
                "name": "Aviation",
                "description": "Aviation.",
                "questions": [
                  {
                    "text": "How does aviation use and regulate the sky as airspace?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the legal sense meant?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "culture",
            "name": "Culture",
            "description": "Culture.",
            "findings": [
              {
                "id": "culture-finding",
                "name": "Culture",
                "description": "Culture.",
                "questions": [
                  {
                    "text": "How does the sky feature in art and culture?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the presentation neutral?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should day and night skies be separate entries?",
    "How should airspace be distinguished?",
    "How should the atmosphere boundary be described?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}