{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-14T00:45:21Z",
    "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": "2026-10-06T07:44:08+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:51:54+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q133279",
    "registryId": "vr.tr.back",
    "name": "back",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "XCT.QLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q133279/",
  "model": {
    "registry_id": "vr.tr.back",
    "name": "back",
    "purpose": "Let an agent explain the anatomy and functions of the back, relay common problems and prevention from anatomy and health sources, route red flags to urgent care, and distinguish the back from the spine as a structure, the torso as a whole, the dorsum of hands and feet and the backside in everyday speech, without diagnosing individuals.",
    "definition": "The rear part of the human body from the neck to the pelvis, and the corresponding dorsal region in other vertebrates, containing the vertebral column, spinal cord, back muscles such as the erector spinae, trapezius and latissimus dorsi, ribs, nerves and skin; the back supports posture and movement and protects the spinal cord. Back pain is very common and usually improves, but red flags such as numbness around the genitals or buttocks, new bladder or bowel problems, leg weakness, severe pain after trauma, fever or unexplained weight loss need urgent medical care.",
    "what_it_is_for": "Posture, movement and protection of the spinal cord.",
    "affordances": [
      "explain anatomy",
      "relay functions",
      "relay common problems and prevention",
      "route red flags"
    ],
    "distinguishing_features": [
      "Contains the spine",
      "Large muscle groups",
      "Protects spinal cord",
      "Common site of pain"
    ],
    "appearance": "The rear surface of the trunk, with the spine running down the midline between muscles and shoulder blades.",
    "visual_identification": [
      "Rear part of the trunk from neck to pelvis",
      "Back, dorsum",
      "The spine is the bony column; the torso includes chest and abdomen; the dorsum of the hand is its back surface; backside means buttocks in everyday speech"
    ],
    "physical_properties": [
      {
        "quantity": "vertebrae",
        "typical_range": "33",
        "unit": "count",
        "note": "typical, including fused sacral and coccygeal"
      },
      {
        "quantity": "regions",
        "typical_range": "cervical, thoracic, lumbar, sacral",
        "unit": "list",
        "note": ""
      },
      {
        "quantity": "low back pain",
        "typical_range": "a leading cause of disability worldwide",
        "unit": "note",
        "note": "Global Burden of Disease, attributed"
      }
    ],
    "families_and_kinds": [
      "upper back",
      "middle back",
      "lower back",
      "deep and superficial back muscles"
    ],
    "related_models": [
      {
        "relation": "is part of",
        "target": "human body",
        "why": "in registry terms"
      },
      {
        "relation": "contains",
        "target": "vertebral column",
        "why": ""
      },
      {
        "relation": "contains",
        "target": "erector spinae muscles",
        "why": ""
      },
      {
        "relation": "is contrasted with",
        "target": "torso",
        "why": ""
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Manual handling regulations",
      "Clinical guidelines for low back pain such as NICE NG59"
    ],
    "failure_modes_and_hazards": [
      "Missing cauda equina syndrome",
      "Lifting injuries",
      "Overuse of imaging and opioids, per guidelines"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain the anatomy of the back, its spine and muscles.",
        "Share general guidance on safe lifting and posture from recognised bodies."
      ],
      "must_not": [
        "Diagnose a person's back pain or dismiss red flags such as loss of bladder control or numbness in the groin.",
        "Recommend imaging or opioids for back pain against published guidance.",
        "Direct a worker or robot partner to lift loads beyond safe handling limits."
      ],
      "requires_human": [
        "Any treatment decision for a person's back injury."
      ]
    },
    "ethics": {
      "considerations": [
        "Back pain is a leading cause of disability, and missing rare emergencies can cause permanent harm."
      ],
      "affected_parties": [
        "People with back pain",
        "Manual workers"
      ]
    },
    "owners": {
      "steward": "Nobody owns it; each person answers for their own body, with clinicians giving care.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q133279: back",
      "url": "https://www.wikidata.org/wiki/Q133279",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Human back",
      "url": "https://en.wikipedia.org/wiki/Human_back",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "understand",
        "name": "Understand",
        "description": "What the back is.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "Is there numbness around the genitals or buttocks, new bladder or bowel problems, leg weakness, back pain after major trauma, or pain with fever, in which case seek emergency care?",
                    "kind": "boundary"
                  },
                  {
                    "text": "What is the back, and how does it differ from the spine, the torso, the dorsum of hands and feet and the everyday backside?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "regions",
            "name": "Regions",
            "description": "Regions.",
            "findings": [
              {
                "id": "regions-finding",
                "name": "Regions",
                "description": "Regions.",
                "questions": [
                  {
                    "text": "What are the upper, middle and lower back regions?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific structure?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "anatomy",
        "name": "Anatomy",
        "description": "Anatomy.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "spine",
            "name": "Spine",
            "description": "Vertebral column.",
            "findings": [
              {
                "id": "spine-finding",
                "name": "Spine",
                "description": "Spine.",
                "questions": [
                  {
                    "text": "How is the vertebral column built and curved?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "muscles",
            "name": "Muscles",
            "description": "Back muscles.",
            "findings": [
              {
                "id": "muscles-finding",
                "name": "Muscles",
                "description": "Muscles.",
                "questions": [
                  {
                    "text": "Which muscles move and stabilise the back?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "health",
        "name": "Health",
        "description": "Back pain.",
        "rationale": "Attribution.",
        "layers": [
          {
            "id": "pain",
            "name": "Pain",
            "description": "Low back pain.",
            "findings": [
              {
                "id": "pain-finding",
                "name": "Pain",
                "description": "Pain.",
                "questions": [
                  {
                    "text": "What do clinical guidelines say about managing non-specific low back pain, with recommendations attributed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the information current?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "prevention",
            "name": "Prevention",
            "description": "Prevention.",
            "findings": [
              {
                "id": "prevention-finding",
                "name": "Prevention",
                "description": "Prevention.",
                "questions": [
                  {
                    "text": "What do occupational health sources advise on lifting and posture?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits manual handling?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Comparative anatomy.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "animals",
            "name": "Animals",
            "description": "Dorsal region in animals.",
            "findings": [
              {
                "id": "animals-finding",
                "name": "Animals",
                "description": "Animals.",
                "questions": [
                  {
                    "text": "How does the dorsal region differ in quadrupeds?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits dorsum?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "ontology",
            "name": "Ontology",
            "description": "Anatomy ontologies.",
            "findings": [
              {
                "id": "ontology-finding",
                "name": "Ontology",
                "description": "Ontology.",
                "questions": [
                  {
                    "text": "How do anatomy ontologies define the back?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the information accurate?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should back regions be separate entries?",
    "How should anatomical ontologies be linked?",
    "Should back pain be a separate entry?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}