{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-12T22:16:24Z",
    "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": "2026-10-06T06:58:19+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:52:00+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q496",
    "registryId": "vr.tr.feces",
    "name": "feces",
    "version": "0.2.0-wave.3",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.MAT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q496/",
  "model": {
    "registry_id": "vr.tr.feces",
    "name": "feces",
    "purpose": "Let an agent explain faeces in neutral clinical and biological terms, relay health, sanitation and diagnostic information from authoritative sources, describe agricultural, ecological and archaeological uses, and route personal health questions to clinicians.",
    "definition": "Solid or semi-solid waste discharged from the digestive tract of humans and animals, consisting of undigested food, bacteria, water, shed cells and bile pigments; faeces are examined in medicine to diagnose disease, are a route of infection when sanitation fails, are used as fertiliser and fuel in agriculture, and are studied in ecology and archaeology, where animal droppings and preserved coprolites reveal diet and behaviour.",
    "what_it_is_for": "Elimination of waste; secondary uses as fertiliser, fuel and evidence.",
    "affordances": [
      "explain composition and function",
      "relay health and sanitation information",
      "describe agricultural and scientific uses",
      "route personal questions to clinicians"
    ],
    "distinguishing_features": [
      "Digestive waste",
      "Rich in bacteria",
      "Diagnostic value",
      "Sanitation significance"
    ],
    "appearance": "Varies by species and diet; typically brown from bile pigments in humans, with forms from pellets to pats in animals.",
    "visual_identification": [
      "Waste from the digestive tract",
      "Species-specific forms and composition",
      "Urine is liquid waste from the kidneys; vomit is from the stomach"
    ],
    "physical_properties": [
      {
        "quantity": "water content, human",
        "typical_range": "about 75",
        "unit": "percent",
        "note": ""
      },
      {
        "quantity": "bacterial share of dry mass",
        "typical_range": "about 25-50",
        "unit": "percent",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "human faeces",
      "livestock manure such as sheep and chicken droppings",
      "wildlife droppings used in tracking such as impala and red panda",
      "bird faeces and guano",
      "amphibian and other animal faeces",
      "coprolites in palaeontology and archaeology"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "excrement",
        "why": "in registry terms"
      },
      {
        "relation": "is a kind of",
        "target": "body substance",
        "why": "in registry terms"
      },
      {
        "relation": "is produced by",
        "target": "digestive system",
        "why": "the source"
      },
      {
        "relation": "is used as",
        "target": "manure",
        "why": "in agriculture"
      }
    ],
    "identifiers": [
      {
        "scheme": "MeSH",
        "value_or_pattern": "D005243",
        "note": "feces"
      }
    ],
    "standards_and_regulation": [
      "Sanitation and wastewater standards",
      "Manure management and nutrient regulations",
      "Clinical laboratory standards for stool testing",
      "Faecal microbiota transplant regulation"
    ],
    "failure_modes_and_hazards": [
      "Faecal-oral transmission of disease",
      "Water pollution from manure",
      "Agents giving personal medical advice",
      "Non-neutral or humorous presentation where clinical is needed"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe faeces in neutral clinical, ecological or archaeological terms.",
        "Explain sanitation measures that keep faeces away from water and food.",
        "Advise a person to seek medical care when they describe changes in their stool."
      ],
      "must_not": [
        "Diagnose a person's illness from a description or image of their faeces.",
        "Handle faeces or samples without hygiene measures that stop the spread of infection.",
        "Allow sewage or manure to reach drinking water, food or watercourses.",
        "Mock or shame a person for incontinence, illness or sanitation conditions."
      ],
      "requires_human": [
        "Collecting or sharing a person's stool sample or test result.",
        "Applying manure or sludge to land used for food."
      ]
    },
    "ethics": {
      "considerations": [
        "Poor sanitation spreads disease that kills children; access to toilets is a matter of dignity.",
        "Bowel problems are private; discussion must protect privacy and avoid shame."
      ],
      "affected_parties": [
        "Patients",
        "Communities without sanitation",
        "Carers and sanitation workers"
      ]
    },
    "owners": {
      "steward": "Nobody owns it; sanitation and public health authorities regulate its disposal.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q496: feces",
      "url": "https://www.wikidata.org/wiki/Q496",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Feces",
      "url": "https://en.wikipedia.org/wiki/Feces",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "biology",
        "name": "Biology",
        "description": "Composition and formation.",
        "rationale": "Clinical description.",
        "layers": [
          {
            "id": "composition",
            "name": "Composition",
            "description": "Composition.",
            "findings": [
              {
                "id": "composition-finding",
                "name": "Composition",
                "description": "Composition.",
                "questions": [
                  {
                    "text": "What are faeces made of, and how are they formed?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the presentation neutral and clinical?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "variation",
            "name": "Variation",
            "description": "Variation across species.",
            "findings": [
              {
                "id": "variation-finding",
                "name": "Variation",
                "description": "Variation.",
                "questions": [
                  {
                    "text": "How do faeces differ across species and diets?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific animal?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "health",
        "name": "Health",
        "description": "Health and diagnosis.",
        "rationale": "Clinical.",
        "layers": [
          {
            "id": "diagnosis",
            "name": "Diagnosis",
            "description": "Stool testing.",
            "findings": [
              {
                "id": "diagnosis-finding",
                "name": "Diagnosis",
                "description": "Diagnosis.",
                "questions": [
                  {
                    "text": "What do stool tests detect, and what do scales such as the Bristol scale describe?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the user describing their own symptoms, which need a clinician?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "sanitation",
            "name": "Sanitation",
            "description": "Sanitation.",
            "findings": [
              {
                "id": "sanitation-finding",
                "name": "Sanitation",
                "description": "Sanitation.",
                "questions": [
                  {
                    "text": "How does faecal contamination spread disease, and what do sanitation programmes require?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits sanitation?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "use",
        "name": "Use",
        "description": "Agricultural and scientific use.",
        "rationale": "Practice.",
        "layers": [
          {
            "id": "agriculture",
            "name": "Agriculture",
            "description": "Manure and fuel.",
            "findings": [
              {
                "id": "agriculture-finding",
                "name": "Agriculture",
                "description": "Agriculture.",
                "questions": [
                  {
                    "text": "How are manure and dung used as fertiliser and fuel, and what rules apply?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits manure management?",
                    "kind": "action"
                  }
                ]
              }
            ]
          },
          {
            "id": "science",
            "name": "Science",
            "description": "Ecology and archaeology.",
            "findings": [
              {
                "id": "science-finding",
                "name": "Science",
                "description": "Science.",
                "questions": [
                  {
                    "text": "How do ecologists track animals by droppings, and what do coprolites reveal?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "Research and culture.",
        "rationale": "Context.",
        "layers": [
          {
            "id": "microbiome",
            "name": "Microbiome",
            "description": "Microbiome research.",
            "findings": [
              {
                "id": "microbiome-finding",
                "name": "Microbiome",
                "description": "Microbiome.",
                "questions": [
                  {
                    "text": "What does research on the gut microbiome and faecal transplants report, with findings attributed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "culture",
            "name": "Culture",
            "description": "Culture and language.",
            "findings": [
              {
                "id": "culture-finding",
                "name": "Culture",
                "description": "Culture.",
                "questions": [
                  {
                    "text": "How do cultures and languages treat the topic, and what terms are appropriate in different registers?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the register appropriate?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should manure and coprolite be separate entries?",
    "How should sanitation and clinical standards be linked?",
    "The registry entry has merged aliases naming species-specific faeces; should they be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}
