{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T08:17:18Z",
    "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": "2026-10-05T17:00:00Z",
      "ingestedAt": "2026-10-05T13:23:59+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:58+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q2929",
    "registryId": "vr.tr.october-4",
    "name": "October 4",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "XCT.TME"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q2929/",
  "model": {
    "registry_id": "vr.tr.october-4",
    "name": "October 4",
    "purpose": "Let an agent handle October 4 as a calendar date with day number, weekday computation, observances and sourced events.",
    "definition": "The 277th day of the year in the Gregorian calendar (278th in leap years), with 88 days remaining; observed as World Animal Day and the feast of Saint Francis of Assisi, and the date Sputnik 1 was launched in 1957.",
    "what_it_is_for": "A calendar date for scheduling, anniversaries and observances.",
    "affordances": [
      "compute its weekday in a given year",
      "list observances",
      "find sourced historical events",
      "schedule events"
    ],
    "distinguishing_features": [
      "World Animal Day",
      "Feast of Saint Francis in Western Christianity",
      "Launch of Sputnik 1 in 1957",
      "Weekday varies by year"
    ],
    "appearance": "A date on calendars.",
    "visual_identification": [
      "Written 4 October or October 4",
      "ISO format --10-04",
      "Specific years such as October 4, 1926 are separate"
    ],
    "physical_properties": [
      {
        "quantity": "day of year",
        "typical_range": "277 or 278",
        "unit": "day",
        "note": "common or leap year"
      },
      {
        "quantity": "days remaining",
        "typical_range": "88",
        "unit": "days",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "the recurring calendar date",
      "specific dated days in given years"
    ],
    "related_models": [
      {
        "relation": "is part of",
        "target": "October",
        "why": "month"
      },
      {
        "relation": "is a kind of",
        "target": "calendar date",
        "why": "category"
      },
      {
        "relation": "is observed as",
        "target": "World Animal Day",
        "why": "observance"
      },
      {
        "relation": "is expressed in",
        "target": "ISO 8601",
        "why": "notation"
      }
    ],
    "identifiers": [
      {
        "scheme": "ISO 8601",
        "value_or_pattern": "--10-04",
        "note": "recurring date"
      }
    ],
    "standards_and_regulation": [
      "ISO 8601",
      "National public holiday laws"
    ],
    "failure_modes_and_hazards": [
      "Day-month order confusion",
      "Unsourced on-this-day events"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "List events, observances and anniversaries on October 4 with their sources.",
        "Schedule reminders and deadlines falling on October 4 for the user."
      ],
      "must_not": [
        "Attribute a birth, death or event to October 4 without a reliable source.",
        "Mix up Julian and Gregorian dates when assigning historical events to October 4.",
        "Present a religious feast or observance as universal or official where it is not."
      ],
      "requires_human": [
        "Publishing anniversary content about tragedies or victims."
      ]
    },
    "ethics": {
      "considerations": [
        "The date's feast of Saint Francis and World Animal Day carry religious and welfare meaning.",
        "Anniversaries can be painful for those affected by past events."
      ],
      "affected_parties": [
        "People commemorating the date",
        "Readers of history"
      ]
    },
    "owners": {
      "steward": "Nobody: a calendar date is held in common.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q2929: October 4",
      "url": "https://www.wikidata.org/wiki/Q2929",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: October 4",
      "url": "https://en.wikipedia.org/wiki/October_4",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "date",
        "name": "Date",
        "description": "Calendar facts.",
        "rationale": "Calendar arithmetic.",
        "layers": [
          {
            "id": "weekday",
            "name": "Weekday",
            "description": "Computation.",
            "findings": [
              {
                "id": "weekday-finding",
                "name": "Weekday",
                "description": "Weekday.",
                "questions": [
                  {
                    "text": "On which weekday does October 4 fall in this year?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is it a leap year?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "format",
            "name": "Format",
            "description": "Notation.",
            "findings": [
              {
                "id": "format-finding",
                "name": "Format",
                "description": "Date format.",
                "questions": [
                  {
                    "text": "How should the date be written for this audience?",
                    "kind": "action"
                  },
                  {
                    "text": "Is ISO format needed?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "observances",
        "name": "Observances",
        "description": "Days of note.",
        "rationale": "Several observances fall here.",
        "layers": [
          {
            "id": "animals",
            "name": "World Animal Day",
            "description": "Observance.",
            "findings": [
              {
                "id": "animals-finding",
                "name": "Animals",
                "description": "World Animal Day.",
                "questions": [
                  {
                    "text": "How is World Animal Day marked, and by which organisations?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is it an official holiday anywhere?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "religious",
            "name": "Religious",
            "description": "Saint Francis.",
            "findings": [
              {
                "id": "religious-finding",
                "name": "Religious",
                "description": "Feast day.",
                "questions": [
                  {
                    "text": "Which churches observe the feast of Saint Francis on this date?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How is it marked?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "history",
        "name": "History",
        "description": "Past events.",
        "rationale": "Events need sources.",
        "layers": [
          {
            "id": "events",
            "name": "Events",
            "description": "On this day.",
            "findings": [
              {
                "id": "events-finding",
                "name": "Events",
                "description": "Historical events.",
                "questions": [
                  {
                    "text": "Which notable events happened on this date, according to reliable sources?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Are dates in the same calendar?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "space",
            "name": "Space",
            "description": "Sputnik 1.",
            "findings": [
              {
                "id": "space-finding",
                "name": "Space",
                "description": "Space history.",
                "questions": [
                  {
                    "text": "What is the significance of the 1957 Sputnik 1 launch?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is World Space Week linked to it?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "planning",
        "name": "Planning",
        "description": "Scheduling.",
        "rationale": "Dates drive plans.",
        "layers": [
          {
            "id": "countdown",
            "name": "Countdown",
            "description": "Days until.",
            "findings": [
              {
                "id": "countdown-finding",
                "name": "Countdown",
                "description": "Countdown.",
                "questions": [
                  {
                    "text": "How many days until the next October 4?",
                    "kind": "measurement"
                  },
                  {
                    "text": "From which date?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "anniversaries",
            "name": "Anniversaries",
            "description": "Recurring.",
            "findings": [
              {
                "id": "anniversaries-finding",
                "name": "Anniversaries",
                "description": "Anniversaries.",
                "questions": [
                  {
                    "text": "Which anniversaries fall on this date this year?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which are round numbers?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should dated days be separate entries?",
    "How should observances be linked?",
    "How should events be sourced?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}