{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-13T19:38:07Z",
    "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": "2026-10-06T07:38:44+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:58+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q2741512",
    "registryId": "vr.tr.synovial-joint",
    "name": "synovial joint",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.LIV"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q2741512/",
  "model": {
    "registry_id": "vr.tr.synovial-joint",
    "name": "synovial joint",
    "purpose": "Let an agent explain synovial joints, relay anatomy, types and common conditions from anatomy and medical sources, describe the specific joints the registry aliases name, route joint injuries and sudden severe pain or swelling to medical care, and distinguish synovial joints from fibrous and cartilaginous joints.",
    "definition": "A freely movable joint, or diarthrosis, in which the articulating bones are separated by a cavity filled with synovial fluid and enclosed by a joint capsule lined with synovial membrane, with articular cartilage covering the bone ends, classified by shape as plane, hinge, pivot, condylar, saddle and ball-and-socket joints, including the zygapophysial or facet joints of the spine, costovertebral joints, synovial sternocostal and interchondral joints, joints of the free limbs and the synovial joints of the larynx; synovial joints are affected by arthritis and injury, and joint problems need medical assessment.",
    "what_it_is_for": "Allowing movement between bones.",
    "affordances": [
      "explain anatomy and types",
      "relay common conditions",
      "describe named joints",
      "route injuries to medical care"
    ],
    "distinguishing_features": [
      "Joint cavity",
      "Synovial fluid",
      "Wide range of motion",
      "Prone to arthritis"
    ],
    "appearance": "Bone ends covered by glossy cartilage inside a fibrous capsule.",
    "visual_identification": [
      "Freely movable fluid-filled joint",
      "Zygapophysial joint, costovertebral joint, sternocostal joint, interchondral joint, laryngeal joints, limb joints",
      "Fibrous joints such as sutures barely move; cartilaginous joints such as the pubic symphysis move slightly"
    ],
    "physical_properties": [
      {
        "quantity": "components",
        "typical_range": "capsule, synovial membrane, fluid, articular cartilage",
        "unit": "list",
        "note": ""
      },
      {
        "quantity": "types",
        "typical_range": "six by shape",
        "unit": "count",
        "note": ""
      },
      {
        "quantity": "examples",
        "typical_range": "knee, hip, shoulder, elbow",
        "unit": "list",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "plane joints such as facet joints",
      "hinge joints such as the elbow",
      "pivot joints",
      "condylar joints",
      "saddle joints such as the thumb base",
      "ball-and-socket joints such as the hip"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "joint",
        "why": "in registry terms"
      },
      {
        "relation": "contains",
        "target": "synovial fluid",
        "why": ""
      },
      {
        "relation": "is affected by",
        "target": "osteoarthritis",
        "why": ""
      },
      {
        "relation": "is contrasted with",
        "target": "cartilaginous joint",
        "why": ""
      }
    ],
    "identifiers": [
      {
        "scheme": "Terminologia Anatomica",
        "value_or_pattern": "articulatio synovialis",
        "note": ""
      }
    ],
    "standards_and_regulation": [
      "Terminologia Anatomica",
      "Clinical guidelines for arthritis and joint injuries"
    ],
    "failure_modes_and_hazards": [
      "Missing septic arthritis, an emergency with a hot swollen joint and fever",
      "Self-treating serious joint injuries",
      "Confusing joint classes"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain the structure and kinds of synovial joints from anatomy sources.",
        "Tell a person with a hot, swollen joint and fever to seek urgent medical care."
      ],
      "must_not": [
        "Diagnose joint problems in a person.",
        "Advise injections, manipulation or self-treatment of a joint.",
        "Dismiss a hot swollen joint as minor."
      ],
      "requires_human": [
        "Any treatment decision for a joint, which belongs to the patient and clinician."
      ]
    },
    "ethics": {
      "considerations": [
        "Septic arthritis can destroy a joint within days if not treated.",
        "Joint pain affects mobility and independence, especially for older people."
      ],
      "affected_parties": [
        "Patients",
        "Older people",
        "Athletes"
      ]
    },
    "owners": {
      "steward": "The patient and their clinicians.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q2741512: synovial joint",
      "url": "https://www.wikidata.org/wiki/Q2741512",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Synovial joint",
      "url": "https://en.wikipedia.org/wiki/Synovial_joint",
      "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 synovial joint is.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is a synovial joint, and how does it differ from fibrous and cartilaginous joints?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is there a hot, swollen or suddenly very painful joint, possibly with fever, or a serious injury, in which case seek urgent medical care?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "named",
            "name": "Named joints",
            "description": "Named joints.",
            "findings": [
              {
                "id": "named-finding",
                "name": "Named joints",
                "description": "Named joints.",
                "questions": [
                  {
                    "text": "What are the zygapophysial, costovertebral, sternocostal, interchondral and laryngeal synovial joints?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific joint?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "anatomy",
        "name": "Anatomy",
        "description": "Anatomy.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "structure",
            "name": "Structure",
            "description": "Structure.",
            "findings": [
              {
                "id": "structure-finding",
                "name": "Structure",
                "description": "Structure.",
                "questions": [
                  {
                    "text": "How do the capsule, membrane, fluid and cartilage work together?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "types",
            "name": "Types",
            "description": "Types.",
            "findings": [
              {
                "id": "types-finding",
                "name": "Types",
                "description": "Types.",
                "questions": [
                  {
                    "text": "How do the six shape types permit different movements?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "clinical",
        "name": "Clinical",
        "description": "Conditions.",
        "rationale": "Attribution.",
        "layers": [
          {
            "id": "arthritis",
            "name": "Arthritis",
            "description": "Arthritis.",
            "findings": [
              {
                "id": "arthritis-finding",
                "name": "Arthritis",
                "description": "Arthritis.",
                "questions": [
                  {
                    "text": "How do osteoarthritis, rheumatoid arthritis and gout affect synovial joints?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits arthritis?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "injury",
            "name": "Injury",
            "description": "Injuries.",
            "findings": [
              {
                "id": "injury-finding",
                "name": "Injury",
                "description": "Injury.",
                "questions": [
                  {
                    "text": "What are dislocations and ligament injuries, and when is urgent care needed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits joint dislocation?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Movement.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "biomechanics",
            "name": "Biomechanics",
            "description": "Biomechanics.",
            "findings": [
              {
                "id": "biomechanics-finding",
                "name": "Biomechanics",
                "description": "Biomechanics.",
                "questions": [
                  {
                    "text": "How does synovial fluid lubricate joints?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits biotribology?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "replacement",
            "name": "Replacement",
            "description": "Joint replacement.",
            "findings": [
              {
                "id": "replacement-finding",
                "name": "Replacement",
                "description": "Replacement.",
                "questions": [
                  {
                    "text": "When are synovial joints surgically replaced?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits joint replacement?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should each named joint be a separate entry?",
    "How should anatomy sources be linked?",
    "How should joint conditions be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}