{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T06:51:08Z",
    "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": "2026-10-05T15:00:00Z",
      "ingestedAt": "2026-10-05T13:18:08+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:52:00+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q47223",
    "registryId": "vr.tr.birthday",
    "name": "birthday",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "ACT.EVT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q47223/",
  "model": {
    "registry_id": "vr.tr.birthday",
    "name": "birthday",
    "purpose": "Let an agent handle birthdays by date, age, customs and privacy, and treat people birth dates as personal data.",
    "definition": "The anniversary of the day a person was born, or of the founding of an institution, often marked by celebration; notable birthdays of monarchs and religious figures can be public holidays.",
    "what_it_is_for": "Marking a person age and celebrating them; public birthdays mark holidays.",
    "affordances": [
      "compute age",
      "plan a celebration",
      "send greetings",
      "observe public birthday holidays"
    ],
    "distinguishing_features": [
      "Annual anniversary of birth",
      "Customs vary by culture",
      "Leap day birthdays need a rule",
      "Birth dates are personal data"
    ],
    "appearance": "Celebrations with cakes, candles, cards, gifts and gatherings, varying by culture.",
    "visual_identification": [
      "Date of birth recurring each year",
      "Milestone ages",
      "Public birthday holidays of monarchs or religious figures"
    ],
    "physical_properties": [],
    "families_and_kinds": [
      "personal birthdays",
      "milestone birthdays",
      "official birthdays of monarchs",
      "religious birthdays such as saints days",
      "name days (related)"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "anniversary and party",
        "why": "category"
      },
      {
        "relation": "marks",
        "target": "birth",
        "why": "event"
      },
      {
        "relation": "is related to",
        "target": "age",
        "why": "quantity"
      },
      {
        "relation": "is protected as",
        "target": "personal data",
        "why": "privacy"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Data protection law for dates of birth",
      "Public holiday law for official birthdays",
      "Age thresholds in law"
    ],
    "failure_modes_and_hazards": [
      "Exposing dates of birth used in identity checks",
      "Leap day and time zone errors",
      "Assuming customs across cultures"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Remind a user of birthdays they have chosen to keep.",
        "Note public holidays that mark notable birthdays."
      ],
      "must_not": [
        "Reveal a person's date of birth to others without their consent.",
        "Use a date of birth to pass identity checks or open accounts on someone's behalf.",
        "Send greetings or messages in a person's name without their approval.",
        "Infer or publish a person's age where it can expose them to discrimination."
      ],
      "requires_human": [
        "Sending a message or gift to someone on the user's behalf."
      ]
    },
    "ethics": {
      "considerations": [
        "Dates of birth are personal data often misused for identity fraud.",
        "Birthdays can be painful for people who are grieving or estranged."
      ],
      "affected_parties": [
        "The person whose birthday it is",
        "Family and friends"
      ]
    },
    "owners": {
      "steward": "The person whose birthday it is; civil registries record births.",
      "master_systems": [
        "Civil birth registries"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q47223: birthday",
      "url": "https://www.wikidata.org/wiki/Q47223",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Birthday",
      "url": "https://en.wikipedia.org/wiki/Birthday",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "date",
        "name": "Date",
        "description": "When.",
        "rationale": "Dates drive age.",
        "layers": [
          {
            "id": "birthday",
            "name": "Birthday",
            "description": "Date.",
            "findings": [
              {
                "id": "birthday-finding",
                "name": "Date",
                "description": "Date.",
                "questions": [
                  {
                    "text": "On what date does the birthday fall this year?",
                    "kind": "measurement"
                  },
                  {
                    "text": "How is a 29 February birthday handled?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "age",
            "name": "Age",
            "description": "Years.",
            "findings": [
              {
                "id": "age-finding",
                "name": "Age",
                "description": "Age.",
                "questions": [
                  {
                    "text": "How old will the person be?",
                    "kind": "measurement"
                  },
                  {
                    "text": "Under which age-counting system?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "customs",
        "name": "Customs",
        "description": "Celebration.",
        "rationale": "Customs vary.",
        "layers": [
          {
            "id": "traditions",
            "name": "Traditions",
            "description": "Culture.",
            "findings": [
              {
                "id": "traditions-finding",
                "name": "Traditions",
                "description": "Customs.",
                "questions": [
                  {
                    "text": "What customs apply in this culture?",
                    "kind": "definition"
                  },
                  {
                    "text": "Are birthdays celebrated at all?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "planning",
            "name": "Planning",
            "description": "Party.",
            "findings": [
              {
                "id": "planning-finding",
                "name": "Planning",
                "description": "Planning.",
                "questions": [
                  {
                    "text": "How can a celebration be planned?",
                    "kind": "action"
                  },
                  {
                    "text": "What dietary or accessibility needs apply?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "public",
        "name": "Public birthdays",
        "description": "Holidays.",
        "rationale": "Some birthdays are public.",
        "layers": [
          {
            "id": "holiday",
            "name": "Holiday",
            "description": "Official observance.",
            "findings": [
              {
                "id": "holiday-finding",
                "name": "Holiday",
                "description": "Public holiday.",
                "questions": [
                  {
                    "text": "Is this birthday a public holiday, and where?",
                    "kind": "provenance"
                  },
                  {
                    "text": "On which date is it observed?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "ceremony",
            "name": "Ceremony",
            "description": "Events.",
            "findings": [
              {
                "id": "ceremony-finding",
                "name": "Ceremony",
                "description": "Ceremonies.",
                "questions": [
                  {
                    "text": "What official events mark it?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Where can the schedule be found?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "privacy",
        "name": "Privacy",
        "description": "Personal data.",
        "rationale": "Birth dates are sensitive.",
        "layers": [
          {
            "id": "data",
            "name": "Data",
            "description": "Storage.",
            "findings": [
              {
                "id": "data-finding",
                "name": "Data",
                "description": "Data handling.",
                "questions": [
                  {
                    "text": "Is the date of birth needed, or only the day and month?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Is it stored lawfully?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "exposure",
            "name": "Exposure",
            "description": "Identity risk.",
            "findings": [
              {
                "id": "exposure-finding",
                "name": "Exposure",
                "description": "Identity risk.",
                "questions": [
                  {
                    "text": "Could publishing it help identity fraud?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Who consented?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should official birthdays be separate entries?",
    "How should name days be linked?",
    "How should birth dates be protected in data?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}
