{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T14:18:22Z",
    "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": "2026-10-06T07:34:43+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-06T22:36:26+00:00",
        "engine": "codex",
        "fields": [
          "definition"
        ],
        "answering_review": "26d57692dca930bce3698549f6bea117116977e5c2488ac85f70d8026cf31ddb"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:26+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q163865",
    "registryId": "vr.tr.scurvy",
    "name": "scurvy",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "XCT.STA"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q163865/",
  "model": {
    "registry_id": "vr.tr.scurvy",
    "name": "scurvy",
    "purpose": "Let an agent explain scurvy and its cause, relay symptoms, diagnosis, treatment and history from medical and historical sources in general terms, route people with symptoms to clinicians, and distinguish scurvy from other bleeding disorders, from rickets and from general malnutrition.",
    "definition": "A disease caused by deficiency of vitamin C, or ascorbic acid, producing weakness, gum disease, bleeding into skin or mucous membranes known as scorbutic purpura, possible bleeding into joints, poor wound healing and, in infants, infantile scurvy with bone changes; historically the scourge of sailors and besieged populations, scurvy is now rare but occurs with restricted diets, and is cured by vitamin C, with diagnosis and treatment by clinicians.",
    "what_it_is_for": "Not applicable; a disease.",
    "affordances": [
      "explain cause and symptoms",
      "relay diagnosis and treatment",
      "route to clinicians",
      "distinguish related conditions"
    ],
    "distinguishing_features": [
      "Single nutrient deficiency",
      "Collagen failure",
      "Rapid cure",
      "Maritime history"
    ],
    "appearance": "Not a visible object; bleeding gums, bruising and corkscrew hairs.",
    "visual_identification": [
      "Vitamin C deficiency disease",
      "Scorbutic purpura, neonatal scurvy",
      "Other bleeding disorders involve clotting; rickets is vitamin D deficiency; malnutrition is broader"
    ],
    "physical_properties": [
      {
        "quantity": "onset",
        "typical_range": "after about 1-3 months without vitamin C",
        "unit": "note",
        "note": ""
      },
      {
        "quantity": "Lind s trial",
        "typical_range": "1747",
        "unit": "year",
        "note": ""
      },
      {
        "quantity": "vitamin C isolated",
        "typical_range": "1928-1932",
        "unit": "period",
        "note": "Szent-Gyorgyi"
      },
      {
        "quantity": "daily requirement",
        "typical_range": "about 75-90",
        "unit": "mg",
        "note": "adults"
      }
    ],
    "families_and_kinds": [
      "adult scurvy",
      "infantile or neonatal scurvy",
      "scurvy in restricted diets and eating disorders",
      "historical scurvy at sea and in sieges"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "ascorbic acid deficiency",
        "why": "in registry terms"
      },
      {
        "relation": "is caused by lack of",
        "target": "vitamin C",
        "why": "in the diet"
      },
      {
        "relation": "is contrasted with",
        "target": "rickets",
        "why": "vitamin D deficiency"
      },
      {
        "relation": "was studied by",
        "target": "James Lind",
        "why": "in a 1747 trial"
      }
    ],
    "identifiers": [
      {
        "scheme": "ICD-10",
        "value_or_pattern": "E54",
        "note": "ascorbic acid deficiency"
      },
      {
        "scheme": "MeSH",
        "value_or_pattern": "D012614",
        "note": "Scurvy"
      }
    ],
    "standards_and_regulation": [
      "Dietary reference intakes for vitamin C",
      "Clinical guidelines for nutritional deficiencies"
    ],
    "failure_modes_and_hazards": [
      "Missed diagnosis in modern settings",
      "Agents giving personal medical or dietary advice",
      "Myths about megadoses"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain the cause, signs and history of scurvy from medical and historical sources.",
        "Note groups at risk, such as people on very restricted diets, from public health sources."
      ],
      "must_not": [
        "Diagnose scurvy in a specific person; it must direct them to a clinician.",
        "Recommend a treatment or vitamin dose for an individual as if it were their doctor.",
        "Spread myths that vitamin C megadoses cure unrelated diseases.",
        "Shame people whose diets are limited by poverty, illness or disability."
      ],
      "requires_human": [
        "Any decision on diagnosis or treatment of a person with suspected scurvy."
      ]
    },
    "ethics": {
      "considerations": [
        "Scurvy today often signals poverty, food insecurity, neglect or eating disorders.",
        "Missed diagnosis causes avoidable suffering in children and older people."
      ],
      "affected_parties": [
        "Patients",
        "Children with restricted diets",
        "People in food poverty"
      ]
    },
    "owners": {
      "steward": "Nobody owns the disease; clinicians answer for diagnosis and treatment of each patient.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q163865: scurvy",
      "url": "https://www.wikidata.org/wiki/Q163865",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Scurvy",
      "url": "https://en.wikipedia.org/wiki/Scurvy",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What scurvy is.",
        "rationale": "Clinical.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition and symptoms.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is scurvy, what are its symptoms including scorbutic purpura, and how does it differ from other bleeding disorders and rickets?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the user describing symptoms of their own, which need a clinician?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "cause",
            "name": "Cause",
            "description": "Cause.",
            "findings": [
              {
                "id": "cause-finding",
                "name": "Cause",
                "description": "Cause.",
                "questions": [
                  {
                    "text": "Why does vitamin C deficiency cause collagen failure and bleeding?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits vitamin C?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "care",
        "name": "Care",
        "description": "Diagnosis and treatment.",
        "rationale": "Clinical.",
        "layers": [
          {
            "id": "diagnosis",
            "name": "Diagnosis",
            "description": "Diagnosis.",
            "findings": [
              {
                "id": "diagnosis-finding",
                "name": "Diagnosis",
                "description": "Diagnosis.",
                "questions": [
                  {
                    "text": "How is scurvy diagnosed today, and who is at risk?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "treatment",
            "name": "Treatment",
            "description": "Treatment.",
            "findings": [
              {
                "id": "treatment-finding",
                "name": "Treatment",
                "description": "Treatment.",
                "questions": [
                  {
                    "text": "How is scurvy treated and prevented, in general terms?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "history",
        "name": "History",
        "description": "History.",
        "rationale": "Attribution.",
        "layers": [
          {
            "id": "sea",
            "name": "Sea",
            "description": "Scurvy at sea.",
            "findings": [
              {
                "id": "sea-finding",
                "name": "Sea",
                "description": "Sea.",
                "questions": [
                  {
                    "text": "How did scurvy affect voyages, and how did Lind s trial and citrus rations change naval practice?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits James Lind?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "science",
            "name": "Science",
            "description": "Discovery of vitamin C.",
            "findings": [
              {
                "id": "science-finding",
                "name": "Science",
                "description": "Science.",
                "questions": [
                  {
                    "text": "How was vitamin C identified and its role established?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the history of vitamins?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Today.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "today",
            "name": "Today",
            "description": "Scurvy today.",
            "findings": [
              {
                "id": "today-finding",
                "name": "Today",
                "description": "Today.",
                "questions": [
                  {
                    "text": "Where does scurvy still occur, and in which groups?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits malnutrition?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "infants",
            "name": "Infants",
            "description": "Neonatal scurvy.",
            "findings": [
              {
                "id": "infants-finding",
                "name": "Infants",
                "description": "Infants.",
                "questions": [
                  {
                    "text": "What is neonatal or infantile scurvy, and how is it prevented?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits infant nutrition?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should vitamin C and Lind s trial be the primary linked entries?",
    "How should medical and historical sources be linked?",
    "How should the neonatal form be recorded?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}