{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T21:11:33Z",
    "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": "2026-10-06T07:35:01+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:53+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q124",
    "registryId": "vr.tr.october",
    "name": "October",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "INF.KNW"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q124/",
  "model": {
    "registry_id": "vr.tr.october",
    "name": "October",
    "purpose": "Let an agent explain October as a calendar month, relay length, position, etymology and common observances from calendar and cultural sources, and distinguish October from the October Revolution s Gregorian date, Oktoberfest, which mostly runs in September, and months in other calendars.",
    "definition": "The tenth month of the year in the Julian and Gregorian calendars, with 31 days, running from day 274 to day 304 in common years and from day 275 to day 305 in leap years, named from Latin octo, eight, because it was the eighth month of the early Roman calendar; observances include World Mental Health Day on 10 October, United Nations Day on 24 October and Halloween on 31 October, and many countries observe Breast Cancer Awareness Month, while the October Revolution of 1917 took place in October by the Julian calendar then used in Russia, which was November in the Gregorian calendar.",
    "what_it_is_for": "Organising time within the year.",
    "affordances": [
      "explain position and length",
      "relay etymology and calendar history",
      "describe observances",
      "distinguish related concepts"
    ],
    "distinguishing_features": [
      "Tenth month",
      "Name from eighth Roman month",
      "Autumn in the north, spring in the south",
      "Many observances"
    ],
    "appearance": "Not a visible object; a calendar period.",
    "visual_identification": [
      "Tenth month of the Gregorian calendar",
      "October, Oct",
      "The October Revolution falls in November by the Gregorian calendar; Oktoberfest mostly runs in September; other calendars differ"
    ],
    "physical_properties": [
      {
        "quantity": "days",
        "typical_range": "31",
        "unit": "count",
        "note": ""
      },
      {
        "quantity": "day of year range",
        "typical_range": "274-304 in common years, 275-305 in leap years",
        "unit": "note",
        "note": ""
      },
      {
        "quantity": "etymology",
        "typical_range": "Latin octo, eight",
        "unit": "note",
        "note": ""
      },
      {
        "quantity": "ISO 8601 number",
        "typical_range": "10",
        "unit": "code",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "days of October",
      "October observances",
      "October in different hemispheres"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "month of the Gregorian calendar",
        "why": "in registry terms"
      },
      {
        "relation": "follows",
        "target": "September",
        "why": ""
      },
      {
        "relation": "precedes",
        "target": "November",
        "why": ""
      },
      {
        "relation": "contains",
        "target": "Halloween",
        "why": ""
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "ISO 8601 date representation",
      "National holiday laws",
      "Daylight saving time rules, such as the EU change on the last Sunday of October"
    ],
    "failure_modes_and_hazards": [
      "Assuming Northern Hemisphere seasons",
      "Confusing Julian and Gregorian historical dates",
      "Stating moveable observances as fixed"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "State October's length, position and day numbers correctly for the stated calendar.",
        "Note that October holidays and observances differ between countries and calendars."
      ],
      "must_not": [
        "Apply the Gregorian October to dates recorded in the Julian calendar, as in the October Revolution, without conversion.",
        "Present an observance held in October in one country as universal.",
        "Schedule a deadline or appointment in October without checking the time zone and local holidays."
      ],
      "requires_human": [
        "Fixing legally binding October dates, such as the end of a contract or tax period."
      ]
    },
    "ethics": {
      "considerations": [
        "Dates in October carry national and religious meaning for different communities."
      ],
      "affected_parties": [
        "People relying on dates",
        "Communities with October observances"
      ]
    },
    "owners": {
      "steward": "Nobody owns it; calendar authorities and states set official dates and holidays.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q124: October",
      "url": "https://www.wikidata.org/wiki/Q124",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: October",
      "url": "https://en.wikipedia.org/wiki/October",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What October is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is October, and how does it relate to the October Revolution, Oktoberfest and months in other calendars?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about dates, seasons, holidays or etymology?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "days",
            "name": "Days",
            "description": "Days of October.",
            "findings": [
              {
                "id": "days-finding",
                "name": "Days",
                "description": "Days.",
                "questions": [
                  {
                    "text": "Which days of October have entries, and what day-of-year numbers do they have?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Which entry fits the specific day?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "calendar",
        "name": "Calendar",
        "description": "Calendar history.",
        "rationale": "Sources.",
        "layers": [
          {
            "id": "roman",
            "name": "Roman",
            "description": "Roman calendar.",
            "findings": [
              {
                "id": "roman-finding",
                "name": "Roman",
                "description": "Roman.",
                "questions": [
                  {
                    "text": "Why is October named for eight when it is the tenth month?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "julian",
            "name": "Julian and Gregorian",
            "description": "Calendar reform.",
            "findings": [
              {
                "id": "julian-finding",
                "name": "Julian and Gregorian",
                "description": "Julian and Gregorian.",
                "questions": [
                  {
                    "text": "Why did the October Revolution happen in November by the Gregorian calendar, and what happened in October 1582?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "culture",
        "name": "Culture",
        "description": "Observances.",
        "rationale": "Attribution.",
        "layers": [
          {
            "id": "observances",
            "name": "Observances",
            "description": "Observances.",
            "findings": [
              {
                "id": "observances-finding",
                "name": "Observances",
                "description": "Observances.",
                "questions": [
                  {
                    "text": "Which observances fall in October, such as World Mental Health Day, UN Day and Halloween?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits World Mental Health Day?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "awareness",
            "name": "Awareness",
            "description": "Awareness months.",
            "findings": [
              {
                "id": "awareness-finding",
                "name": "Awareness",
                "description": "Awareness.",
                "questions": [
                  {
                    "text": "What awareness campaigns are held in October, such as Breast Cancer Awareness Month?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits Breast Cancer Awareness Month?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Seasons.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "seasons",
            "name": "Seasons",
            "description": "Seasons.",
            "findings": [
              {
                "id": "seasons-finding",
                "name": "Seasons",
                "description": "Seasons.",
                "questions": [
                  {
                    "text": "How does October differ between hemispheres?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits autumn?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "dst",
            "name": "Clock changes",
            "description": "Daylight saving.",
            "findings": [
              {
                "id": "dst-finding",
                "name": "Clock changes",
                "description": "Clock changes.",
                "questions": [
                  {
                    "text": "When do clocks change in October in Europe?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits daylight saving time?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should observances be linked individually?",
    "How should calendar sources be linked?",
    "How should Julian-Gregorian date conversions be recorded?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}
