{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T09:12:59Z",
    "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": "2026-10-05T13:22:51+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:57+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q2150",
    "registryId": "vr.tr.january-1",
    "name": "January 1",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "XCT.TME"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q2150/",
  "model": {
    "registry_id": "vr.tr.january-1",
    "name": "January 1",
    "purpose": "Let an agent handle January 1 as a calendar date with weekday computation, observances, legal effects and sourced events.",
    "definition": "The first day of the year in the Gregorian calendar, with 364 days remaining (365 in leap years), observed as New Year Day and a public holiday in most countries; also observed as the World Day of Peace in the Catholic Church.",
    "what_it_is_for": "Start of the calendar year, holidays and legal effective dates.",
    "affordances": [
      "compute its weekday in a given year",
      "list observances and closures",
      "check laws taking effect on January 1",
      "find sourced historical events"
    ],
    "distinguishing_features": [
      "First day of the Gregorian year",
      "Public holiday in most countries",
      "Common effective date for laws",
      "Other calendars have different new years"
    ],
    "appearance": "A date on calendars, often marked by celebrations.",
    "visual_identification": [
      "Written 1 January or January 1",
      "ISO format --01-01",
      "Other calendars start the year on different dates"
    ],
    "physical_properties": [
      {
        "quantity": "day of year",
        "typical_range": "1",
        "unit": "day",
        "note": ""
      },
      {
        "quantity": "days remaining",
        "typical_range": "364 or 365",
        "unit": "days",
        "note": "common or leap year"
      }
    ],
    "families_and_kinds": [
      "the recurring calendar date",
      "specific dated days in given years"
    ],
    "related_models": [
      {
        "relation": "is part of",
        "target": "January",
        "why": "month"
      },
      {
        "relation": "is observed as",
        "target": "New Year",
        "why": "holiday"
      },
      {
        "relation": "is a kind of",
        "target": "calendar date",
        "why": "category"
      },
      {
        "relation": "is expressed in",
        "target": "ISO 8601",
        "why": "notation"
      }
    ],
    "identifiers": [
      {
        "scheme": "ISO 8601",
        "value_or_pattern": "--01-01",
        "note": "recurring date"
      }
    ],
    "standards_and_regulation": [
      "ISO 8601",
      "National public holiday laws"
    ],
    "failure_modes_and_hazards": [
      "Assuming all cultures celebrate the new year on this date",
      "Year-boundary software bugs",
      "Unsourced events"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Give the date's calendar facts and observances.",
        "Note that some cultures mark the new year on other dates."
      ],
      "must_not": [
        "Assume every user celebrates New Year on this day.",
        "Schedule work or contact on a public holiday without regard to local rules."
      ],
      "requires_human": [
        "Scheduling shifts or deadlines on this public holiday."
      ]
    },
    "ethics": {
      "considerations": [
        "Holidays reflect cultural and religious traditions that differ between people.",
        "Workers have legal rights on public holidays."
      ],
      "affected_parties": [
        "People observing other calendars",
        "Workers"
      ]
    },
    "owners": {
      "steward": "Nobody owns a date; governments declare public holidays.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q2150: January 1",
      "url": "https://www.wikidata.org/wiki/Q2150",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: January 1",
      "url": "https://en.wikipedia.org/wiki/January_1",
      "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 January 1 fall in this year?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is the year a leap year?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "software",
            "name": "Software",
            "description": "Year boundaries.",
            "findings": [
              {
                "id": "software-finding",
                "name": "Software",
                "description": "Year-boundary handling.",
                "questions": [
                  {
                    "text": "Does software handle the year change and week numbering correctly?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Which ISO week does January 1 fall in?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "observances",
        "name": "Observances",
        "description": "New Year.",
        "rationale": "Most countries mark the day.",
        "layers": [
          {
            "id": "holiday",
            "name": "Holiday",
            "description": "Public holiday.",
            "findings": [
              {
                "id": "holiday-finding",
                "name": "Holiday",
                "description": "New Year Day.",
                "questions": [
                  {
                    "text": "Is January 1 a public holiday here, and what closes?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is there a substitute day if it falls on a weekend?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "other-new-years",
            "name": "Other new years",
            "description": "Calendars.",
            "findings": [
              {
                "id": "other-new-years-finding",
                "name": "Other new years",
                "description": "Other new years.",
                "questions": [
                  {
                    "text": "Which communities celebrate the new year on other dates?",
                    "kind": "provenance"
                  },
                  {
                    "text": "When are they this year?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "law",
        "name": "Law",
        "description": "Effective dates.",
        "rationale": "Many rules start on January 1.",
        "layers": [
          {
            "id": "effective",
            "name": "Effective",
            "description": "New rules.",
            "findings": [
              {
                "id": "effective-finding",
                "name": "Effective",
                "description": "Laws in force.",
                "questions": [
                  {
                    "text": "Which laws or rates take effect on January 1 this year?",
                    "kind": "provenance"
                  },
                  {
                    "text": "From which official source?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "tax",
            "name": "Tax year",
            "description": "Fiscal years.",
            "findings": [
              {
                "id": "tax-finding",
                "name": "Tax",
                "description": "Tax year.",
                "questions": [
                  {
                    "text": "Does the tax year start on January 1 here?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What deadlines follow?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "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 January 1, according to reliable sources?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Are dates in the same calendar?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "origin",
            "name": "Origin",
            "description": "Why January.",
            "findings": [
              {
                "id": "origin-finding",
                "name": "Origin",
                "description": "Origin.",
                "questions": [
                  {
                    "text": "Why does the year begin on January 1 in the Gregorian calendar?",
                    "kind": "provenance"
                  },
                  {
                    "text": "When did different countries adopt it?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should dated days be separate entries?",
    "How should other new years be linked?",
    "How should laws effective on January 1 be tracked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}