{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T20:55:37Z",
    "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": "2026-10-06T07:39:48+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-06T22:29:38+00:00",
        "engine": "codex",
        "fields": [
          "definition"
        ],
        "answering_review": "28071c3a919eef50c3665d9b58da48f257e920517c9e282c29a4bfdaba73ab74"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:25+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q110",
    "registryId": "vr.tr.march",
    "name": "March",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "INF.KNW"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q110/",
  "model": {
    "registry_id": "vr.tr.march",
    "name": "March",
    "purpose": "Let an agent explain March as a calendar month, relay length, position, astronomy, etymology and common observances from calendar and cultural sources, and distinguish March from the March equinox, the verb and noun march, and months in other calendars, noting that observances vary by country and year.",
    "definition": "The third month of the year in the Julian and Gregorian calendars, with 31 days, running from day 60 to day 90 in common years and from day 61 to day 91 in leap years, named after the Roman god Mars and originally the first month of the early Roman calendar; the March equinox occurs around 20 March in the Gregorian calendar, with a different date in the Julian calendar, and marks the start of astronomical spring in the Northern Hemisphere and autumn in the Southern Hemisphere; observances include International Women's Day on 8 March, St Patrick's Day on 17 March and Nowruz at the equinox, and the Ides of March on 15 March recall the assassination of Julius Caesar in 44 BC.",
    "what_it_is_for": "Organising time within the year.",
    "affordances": [
      "explain position and length",
      "relay astronomy and etymology",
      "describe observances",
      "distinguish related concepts"
    ],
    "distinguishing_features": [
      "Third month",
      "Contains an equinox",
      "Named after Mars",
      "Former start of the Roman year"
    ],
    "appearance": "Not a visible object; a calendar period.",
    "visual_identification": [
      "Third month of the Gregorian calendar",
      "March, Mar",
      "The March equinox is an astronomical event; march also means a walk or procession; other calendars differ"
    ],
    "physical_properties": [
      {
        "quantity": "days",
        "typical_range": "31",
        "unit": "count",
        "note": ""
      },
      {
        "quantity": "day of year range",
        "typical_range": "60-90 in common years, 61-91 in leap years",
        "unit": "note",
        "note": ""
      },
      {
        "quantity": "equinox",
        "typical_range": "around 20 March",
        "unit": "date",
        "note": "varies by year and time zone"
      },
      {
        "quantity": "ISO 8601 number",
        "typical_range": "03",
        "unit": "code",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "days of March",
      "March observances",
      "March in different hemispheres"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "month of the Gregorian calendar",
        "why": "in registry terms"
      },
      {
        "relation": "follows",
        "target": "February",
        "why": ""
      },
      {
        "relation": "precedes",
        "target": "April",
        "why": ""
      },
      {
        "relation": "contains",
        "target": "March equinox",
        "why": ""
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "ISO 8601 date representation",
      "National public holiday laws",
      "Daylight saving time rules"
    ],
    "failure_modes_and_hazards": [
      "Assuming Northern Hemisphere seasons",
      "Stating moveable observances as fixed",
      "Confusing daylight saving start dates by region"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "State that March has 31 days, from day 60 to day 90 in common years.",
        "Say whether March is spring or autumn for the hemisphere being discussed."
      ],
      "must_not": [
        "Assume March means spring for everyone.",
        "Present daylight saving changes in March as happening on the same date everywhere.",
        "Give moveable observances in March, such as Easter or Ramadan dates, as fixed.",
        "Treat March as the first month of the year without saying which calendar is meant."
      ],
      "requires_human": [
        "Setting deadlines in March that depend on a moveable date or a clock change."
      ]
    },
    "ethics": {
      "considerations": [
        "Northern Hemisphere assumptions erase the seasons of people in the south.",
        "Clock changes and moveable feasts cause real scheduling failures across regions."
      ],
      "affected_parties": [
        "People in the Southern Hemisphere",
        "Communities with March observances",
        "Planners and schedulers"
      ]
    },
    "owners": {
      "steward": "Nobody owns the month; it belongs to the calendar in common use.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q110: March",
      "url": "https://www.wikidata.org/wiki/Q110",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: March",
      "url": "https://en.wikipedia.org/wiki/March",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What March is.",
        "rationale": "Definition.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is March, and how does it relate to the March equinox, the word march 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 March.",
            "findings": [
              {
                "id": "days-finding",
                "name": "Days",
                "description": "Days.",
                "questions": [
                  {
                    "text": "Which days of March have entries, and what day-of-year numbers do they have?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Which entry fits the specific day?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "astronomy",
        "name": "Astronomy",
        "description": "Astronomy and seasons.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "equinox",
            "name": "Equinox",
            "description": "Equinox.",
            "findings": [
              {
                "id": "equinox-finding",
                "name": "Equinox",
                "description": "Equinox.",
                "questions": [
                  {
                    "text": "Why does the March equinox fall around 20 March?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "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 March in Europe and North America?",
                    "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 March, such as International Women s Day, St Patrick s Day and Nowruz?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits Nowruz?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "ides",
            "name": "Ides",
            "description": "Ides of March.",
            "findings": [
              {
                "id": "ides-finding",
                "name": "Ides",
                "description": "Ides.",
                "questions": [
                  {
                    "text": "What were the Ides of March and why are they remembered?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits Ides of March?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Calendar history.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "roman",
            "name": "Roman",
            "description": "Roman calendar.",
            "findings": [
              {
                "id": "roman-finding",
                "name": "Roman",
                "description": "Roman.",
                "questions": [
                  {
                    "text": "Why was March once the first month of the Roman year?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits Roman calendar?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "newyear",
            "name": "New year",
            "description": "Legal new year.",
            "findings": [
              {
                "id": "newyear-finding",
                "name": "New year",
                "description": "New year.",
                "questions": [
                  {
                    "text": "Why did England start the legal year on 25 March until 1752?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits Lady Day?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should observances be linked individually?",
    "How should calendar sources be linked?",
    "How should moveable observances such as Easter be recorded?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}