{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T11:45:31Z",
    "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": "2026-10-05T17:00:00Z",
      "ingestedAt": "2026-10-05T13:27:44+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-06T22:50:14+00:00",
        "engine": "codex",
        "fields": [
          "definition"
        ],
        "answering_review": "3ff2c4f6fdb96b661bd5b877f25fe80095bf3056f63ebf2102df0a728d12a0c9"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T10:10:30+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q36864",
    "registryId": "vr.tr.nail",
    "name": "nail",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.LIV"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q36864/",
  "model": {
    "registry_id": "vr.tr.nail",
    "name": "nail",
    "purpose": "Let an agent handle nails by anatomy, care, cosmetic treatments, salon safety and signs that need a clinician, without diagnosis.",
    "definition": "A hard plate of keratin covering the upper tip of a finger or toe in humans and many primates, with claws and hooves as related structures in other animals; gel and acrylic enhancements are cosmetic treatments applied to anatomical nails, rather than nails in this sense.",
    "what_it_is_for": "Protecting fingertips and toes and aiding fine touch.",
    "affordances": [
      "describe nail anatomy",
      "find nail care guidance",
      "check salon hygiene and product safety",
      "recognise when nail changes need a doctor"
    ],
    "distinguishing_features": [
      "Keratin plates",
      "Grow continuously",
      "Reflect some health changes",
      "Subject to cosmetic treatment"
    ],
    "appearance": "Translucent plates over the nail bed, growing from the matrix.",
    "visual_identification": [
      "Nail plate, bed, cuticle and lunula",
      "Fingernails and toenails",
      "A nail as a metal fastener is a different sense"
    ],
    "physical_properties": [
      {
        "quantity": "fingernail growth",
        "typical_range": "about 3",
        "unit": "mm per month",
        "note": "approximate"
      }
    ],
    "families_and_kinds": [
      "fingernails",
      "toenails",
      "artificial and gel nails",
      "claws and hooves (related structures)"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "anatomical structure",
        "why": "category"
      },
      {
        "relation": "is made of",
        "target": "keratin",
        "why": "material"
      },
      {
        "relation": "is related to",
        "target": "claw and hoof",
        "why": "homologues"
      },
      {
        "relation": "is confused with",
        "target": "nail (fastener)",
        "why": "another sense"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Cosmetics regulation for nail products",
      "Salon hygiene and licensing rules"
    ],
    "failure_modes_and_hazards": [
      "Infections from poor salon hygiene",
      "Allergic reactions to acrylates",
      "Agents diagnosing nail changes"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe nail anatomy and care from health and hygiene sources.",
        "Point people to a clinician for nail changes that worry them."
      ],
      "must_not": [
        "Diagnose diseases from a person's nail changes.",
        "Recommend nail products or procedures to someone with a known allergy to their ingredients.",
        "Encourage salon practices that skip hygiene or sterilization of tools.",
        "Share images of a person's hands or nails without their consent."
      ],
      "requires_human": [
        "Any treatment of a nail infection or injury."
      ]
    },
    "ethics": {
      "considerations": [
        "Poor salon hygiene spreads infections between clients.",
        "Acrylate allergies can affect nail technicians for life."
      ],
      "affected_parties": [
        "Salon clients",
        "Nail technicians",
        "Patients with nail conditions"
      ]
    },
    "owners": {
      "steward": "The person whose nails they are; health and safety authorities regulate salons.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q36864: nail",
      "url": "https://www.wikidata.org/wiki/Q36864",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Nail (anatomy)",
      "url": "https://en.wikipedia.org/wiki/Nail_%28anatomy%29",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "anatomy",
        "name": "Anatomy",
        "description": "Structure.",
        "rationale": "Structure explains growth.",
        "layers": [
          {
            "id": "parts",
            "name": "Parts",
            "description": "Nail parts.",
            "findings": [
              {
                "id": "parts-finding",
                "name": "Parts",
                "description": "Nail anatomy.",
                "questions": [
                  {
                    "text": "What are the parts of the nail and their functions?",
                    "kind": "definition"
                  },
                  {
                    "text": "How fast do nails grow?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "animals",
            "name": "Animals",
            "description": "Claws and hooves.",
            "findings": [
              {
                "id": "animals-finding",
                "name": "Animals",
                "description": "Comparative anatomy.",
                "questions": [
                  {
                    "text": "How do nails relate to claws and hooves?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which sources explain it?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "health",
        "name": "Health",
        "description": "Changes.",
        "rationale": "Clinicians assess changes.",
        "layers": [
          {
            "id": "changes",
            "name": "Changes",
            "description": "When to seek care.",
            "findings": [
              {
                "id": "changes-finding",
                "name": "Changes",
                "description": "Nail changes.",
                "questions": [
                  {
                    "text": "Is there a nail change such as a dark streak, severe pain or spreading infection?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Should a doctor or podiatrist be seen?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "diagnosis",
            "name": "Diagnosis",
            "description": "No self-diagnosis.",
            "findings": [
              {
                "id": "diagnosis-finding",
                "name": "Diagnosis",
                "description": "Diagnosis limit.",
                "questions": [
                  {
                    "text": "Is the user asking the agent to diagnose a nail problem?",
                    "kind": "boundary"
                  },
                  {
                    "text": "How should they be referred?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "cosmetic",
        "name": "Cosmetic",
        "description": "Treatments.",
        "rationale": "Treatments carry risks.",
        "layers": [
          {
            "id": "salon",
            "name": "Salon",
            "description": "Hygiene.",
            "findings": [
              {
                "id": "salon-finding",
                "name": "Salon",
                "description": "Salon safety.",
                "questions": [
                  {
                    "text": "What hygiene practices should a nail salon follow?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the salon licensed where required?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "allergy",
            "name": "Allergy",
            "description": "Acrylates.",
            "findings": [
              {
                "id": "allergy-finding",
                "name": "Allergy",
                "description": "Product allergy.",
                "questions": [
                  {
                    "text": "Could gel or acrylic products cause allergic reactions?",
                    "kind": "provenance"
                  },
                  {
                    "text": "What precautions are advised?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "care",
        "name": "Care",
        "description": "Everyday care.",
        "rationale": "Simple care helps.",
        "layers": [
          {
            "id": "routine",
            "name": "Routine",
            "description": "Trimming.",
            "findings": [
              {
                "id": "routine-finding",
                "name": "Routine",
                "description": "Nail care.",
                "questions": [
                  {
                    "text": "How should nails be trimmed to avoid ingrown nails?",
                    "kind": "action"
                  },
                  {
                    "text": "Are there special considerations for people with diabetes?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "senses",
            "name": "Senses",
            "description": "Disambiguation.",
            "findings": [
              {
                "id": "senses-finding",
                "name": "Senses",
                "description": "Other senses.",
                "questions": [
                  {
                    "text": "Is a metal nail for construction meant?",
                    "kind": "boundary"
                  },
                  {
                    "text": "Which entry fits?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should cosmetic nails be a separate entry?",
    "How should salon rules be localised?",
    "How should the fastener sense be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}