{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T03:25:34Z",
    "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": 3,
    "engine": "claude",
    "enrichment": {
      "pass": 3,
      "engine": "claude",
      "producedAt": "2026-10-06T10:00:00Z",
      "ingestedAt": "2026-10-06T07:10:21+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:57+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q2256181",
    "registryId": "vr.tr.duct-q2256181",
    "name": "duct",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.LIV"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q2256181/",
  "model": {
    "registry_id": "vr.tr.duct-q2256181",
    "name": "duct",
    "purpose": "Let an agent explain anatomical ducts and their kinds, relay structure and function from anatomical sources, describe blockage and other conditions in general terms, and distinguish ducts from vessels, tubes and canals.",
    "definition": "A tubular anatomical passage that conveys secretions, fluids or cells from a gland or organ to another site, including exocrine gland ducts such as bile, pancreatic, salivary and lacrimal ducts, and the ducts of the reproductive tract such as the efferent ductules, the duct of the epididymis, the excretory duct of the seminal gland, prostatic ducts and the longitudinal duct of the epoophoron; ducts are lined by epithelium and can be blocked by stones, strictures or tumours.",
    "what_it_is_for": "Conveying secretions and fluids.",
    "affordances": [
      "explain kinds and structure",
      "relay function",
      "describe conditions",
      "distinguish from vessels"
    ],
    "distinguishing_features": [
      "Epithelial lining",
      "Gland to site conveyance",
      "Branching systems",
      "Obstruction risk"
    ],
    "appearance": "A narrow tube within or between organs.",
    "visual_identification": [
      "Tubular passage for secretions",
      "Bile, pancreatic, salivary, lacrimal and mammary ducts; reproductive ducts such as the epididymis and prostatic ducts",
      "Blood vessels carry blood; the fallopian tube is a tube; canals are bony passages"
    ],
    "physical_properties": [
      {
        "quantity": "common bile duct diameter",
        "typical_range": "about 6",
        "unit": "mm",
        "note": "adult upper normal"
      },
      {
        "quantity": "duct of epididymis length",
        "typical_range": "about 6",
        "unit": "m",
        "note": "coiled"
      }
    ],
    "families_and_kinds": [
      "bile and pancreatic ducts",
      "salivary and lacrimal ducts",
      "mammary and sweat ducts",
      "male reproductive ducts: efferent ductules, duct of epididymis, vas deferens, seminal gland duct, prostatic ducts",
      "female vestigial ducts such as the longitudinal duct of the epoophoron and ductuli transversi",
      "ducts in other animals and in plants as a homonym"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "organ segment",
        "why": "in registry terms"
      },
      {
        "relation": "drains",
        "target": "exocrine gland",
        "why": "secretions"
      },
      {
        "relation": "is contrasted with",
        "target": "blood vessel",
        "why": "which carries blood"
      },
      {
        "relation": "is blocked in",
        "target": "obstruction",
        "why": "by stones or tumours"
      }
    ],
    "identifiers": [
      {
        "scheme": "TA2",
        "value_or_pattern": "ductus",
        "note": "Terminologia Anatomica"
      }
    ],
    "standards_and_regulation": [
      "Terminologia Anatomica nomenclature",
      "Clinical guidelines on biliary and other duct diseases"
    ],
    "failure_modes_and_hazards": [
      "Duct obstruction and infection",
      "Agents giving personal medical advice",
      "Confusing ducts with vessels and tubes"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain the kinds of anatomical ducts and what they carry.",
        "Describe common duct conditions from reliable medical sources."
      ],
      "must_not": [
        "Confuse an anatomical duct with building ductwork in data or analysis.",
        "Diagnose a blocked duct or recommend treatment for a specific person.",
        "Promote unproven cleanses that claim to clear bile or other ducts."
      ],
      "requires_human": [
        "Any clinical decision about procedures on ducts."
      ]
    },
    "ethics": {
      "considerations": [
        "Blockages of bile or pancreatic ducts can be life threatening if treatment is delayed.",
        "Unproven cleanses harm patients and delay real care."
      ],
      "affected_parties": [
        "Patients",
        "Carers and families"
      ]
    },
    "owners": {
      "steward": "The person themselves; the treating clinician answers for care.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q2256181: duct",
      "url": "https://www.wikidata.org/wiki/Q2256181",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Duct (anatomy)",
      "url": "https://en.wikipedia.org/wiki/Duct_%28anatomy%29",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What a duct is.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition and structure.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is an anatomical duct, and how is it built?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about a duct, a blood vessel, a tube or a canal?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "kinds",
            "name": "Kinds",
            "description": "Kinds.",
            "findings": [
              {
                "id": "kinds-finding",
                "name": "Kinds",
                "description": "Kinds.",
                "questions": [
                  {
                    "text": "What are the main ducts of the digestive, exocrine and reproductive systems, including the efferent ductules, epididymal and prostatic ducts and the epoophoron duct?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific duct?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "function",
        "name": "Function",
        "description": "Function.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "transport",
            "name": "Transport",
            "description": "Transport.",
            "findings": [
              {
                "id": "transport-finding",
                "name": "Transport",
                "description": "Transport.",
                "questions": [
                  {
                    "text": "How do ducts move and modify secretions, and how are they regulated?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "development",
            "name": "Development",
            "description": "Development.",
            "findings": [
              {
                "id": "development-finding",
                "name": "Development",
                "description": "Development.",
                "questions": [
                  {
                    "text": "How do ducts develop, and why do vestigial ducts such as the epoophoron persist?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits embryology of the reproductive system?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "clinical",
        "name": "Clinical",
        "description": "Conditions.",
        "rationale": "Clinical.",
        "layers": [
          {
            "id": "obstruction",
            "name": "Obstruction",
            "description": "Obstruction.",
            "findings": [
              {
                "id": "obstruction-finding",
                "name": "Obstruction",
                "description": "Obstruction.",
                "questions": [
                  {
                    "text": "What happens when ducts are blocked by stones, strictures or tumours, in general terms?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the user describing symptoms such as jaundice or severe pain, which need a clinician?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "procedures",
            "name": "Procedures",
            "description": "Procedures.",
            "findings": [
              {
                "id": "procedures-finding",
                "name": "Procedures",
                "description": "Procedures.",
                "questions": [
                  {
                    "text": "How are ducts imaged and treated, for example by ERCP or vasectomy?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Comparative and homonyms.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "comparative",
            "name": "Comparative",
            "description": "Other animals.",
            "findings": [
              {
                "id": "comparative-finding",
                "name": "Comparative",
                "description": "Comparative.",
                "questions": [
                  {
                    "text": "How do duct systems differ across animals?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits comparative anatomy?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "homonyms",
            "name": "Homonyms",
            "description": "Other senses.",
            "findings": [
              {
                "id": "homonyms-finding",
                "name": "Homonyms",
                "description": "Homonyms.",
                "questions": [
                  {
                    "text": "What are ducts in plants, buildings and engineering, and where are they covered?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits the specific sense?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should bile duct and epididymis be separate primary entries?",
    "How should anatomical references be linked?",
    "The registry entry has merged aliases naming reproductive ducts; should they be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}