{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T19:07:12Z",
    "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": "2026-10-06T11:00:00Z",
      "ingestedAt": "2026-10-06T07:34:11+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-Q2897",
    "registryId": "vr.tr.september-16",
    "name": "September 16",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "XCT.TME"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q2897/",
  "model": {
    "registry_id": "vr.tr.september-16",
    "name": "September 16",
    "purpose": "Let an agent handle September 16 as a calendar date with weekday computation, observances attributed to their traditions and sourced events.",
    "definition": "September 16, day 259 (day 260 in leap years) of the year in the Gregorian calendar, with 106 days remaining in both common and leap years. September 16 is Independence Day in Mexico marking the Cry of Dolores in 1810, Independence Day in Papua New Guinea marking 1975, Malaysia Day marking the federation of 1963, and the International Day for the Preservation of the Ozone Layer, designated by the UN in recognition of the Montreal Protocol signed on this day in 1987.",
    "what_it_is_for": "A calendar date for scheduling, holidays and anniversaries.",
    "affordances": [
      "compute its weekday in a given year",
      "check local and international observances",
      "find sourced historical events",
      "schedule events"
    ],
    "distinguishing_features": [
      "The sixteenth day of September",
      "Weekday varies by year",
      "Observances vary by place",
      "Julian and Gregorian dates differ by 13 days in this era"
    ],
    "appearance": "A date on calendars.",
    "visual_identification": [
      "Written 16 September or September 16",
      "ISO format --09-16",
      "Observances vary by country and tradition"
    ],
    "physical_properties": [
      {
        "quantity": "day of year",
        "typical_range": "259 or 260",
        "unit": "day",
        "note": "common year, leap year where different"
      },
      {
        "quantity": "days remaining",
        "typical_range": "106",
        "unit": "days",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "the recurring calendar date",
      "specific dated days in given years"
    ],
    "related_models": [
      {
        "relation": "is part of",
        "target": "September",
        "why": "month"
      },
      {
        "relation": "follows",
        "target": "September 15",
        "why": "date"
      },
      {
        "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": "--09-16",
        "note": "recurring date"
      }
    ],
    "standards_and_regulation": [
      "ISO 8601",
      "National public holiday laws"
    ],
    "failure_modes_and_hazards": [
      "Assuming observances are universal",
      "Unsourced on-this-day events",
      "Mixing Julian and Gregorian dates"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Compute the weekday and day of year for September 16 in a given year.",
        "Explain that September 16 is Mexican Independence Day, with the Cry of Dolores observed on the night before."
      ],
      "must_not": [
        "Treat Mexican independence celebrations as observed in other countries.",
        "Confuse Mexican Independence Day with the Cinco de Mayo battle anniversary.",
        "Report on-this-day events without a reliable source."
      ],
      "requires_human": [
        "Planning public events or deadlines around national holidays in a given country."
      ]
    },
    "ethics": {
      "considerations": [
        "Independence days carry national pride and must be described accurately.",
        "Stereotyped portrayals of national celebrations disrespect the people who hold them."
      ],
      "affected_parties": [
        "People of Mexico and its diaspora",
        "Event planners and travellers"
      ]
    },
    "owners": {
      "steward": "Nobody owns a date; national holidays are set by each state's law.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q2897: September 16",
      "url": "https://www.wikidata.org/wiki/Q2897",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: September 16",
      "url": "https://en.wikipedia.org/wiki/September_16",
      "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 September 16 fall in this year?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Is it a leap year?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "calendar",
            "name": "Calendar",
            "description": "Julian or Gregorian.",
            "findings": [
              {
                "id": "calendar-finding",
                "name": "Calendar",
                "description": "Calendar system.",
                "questions": [
                  {
                    "text": "Is the Julian or Gregorian calendar meant?",
                    "kind": "boundary"
                  },
                  {
                    "text": "What is the equivalent date in the other calendar?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "observances",
        "name": "Observances",
        "description": "Holidays.",
        "rationale": "Observances vary.",
        "layers": [
          {
            "id": "holiday",
            "name": "Holiday",
            "description": "Public holiday.",
            "findings": [
              {
                "id": "holiday-finding",
                "name": "Holiday",
                "description": "Holiday status.",
                "questions": [
                  {
                    "text": "Is September 16 a public holiday or observance here?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which tradition or law sets it?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "attribution",
            "name": "Attribution",
            "description": "Traditions.",
            "findings": [
              {
                "id": "attribution-finding",
                "name": "Attribution",
                "description": "Attributed observances.",
                "questions": [
                  {
                    "text": "Which countries or communities observe something on this date, according to them?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the observance attributed rather than assumed?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "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 September 16, according to reliable sources?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Are dates given in the same calendar?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "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"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "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 September 16?",
                    "kind": "measurement"
                  },
                  {
                    "text": "From which date?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "work",
            "name": "Work",
            "description": "Working day.",
            "findings": [
              {
                "id": "work-finding",
                "name": "Work",
                "description": "Working day.",
                "questions": [
                  {
                    "text": "Is it a working day for this organisation?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Do deadlines move?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "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
  }
}