{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-11T09:48:35Z",
    "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": "2026-10-05T15:00:00Z",
      "ingestedAt": "2026-10-05T13:25:13+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "revisions": [
      {
        "at": "2026-10-07T11:25:45+00:00",
        "engine": "codex",
        "fields": [
          "definition",
          "distinguishing_features",
          "visual_identification"
        ],
        "answering_review": "f7eef5317f4537c5c76cf29dd5560acae3cf52d1f02c6a8c160225fc3ee349b4"
      }
    ],
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-07T12:16:31+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q2250497",
    "registryId": "vr.tr.unsaturated-fatty-acid",
    "name": "unsaturated fatty acid",
    "version": "0.2.0-wave.1",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.MAT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q2250497/",
  "model": {
    "registry_id": "vr.tr.unsaturated-fatty-acid",
    "name": "unsaturated fatty acid",
    "purpose": "Let an agent handle unsaturated fatty acids by structure, food sources, labelling and health information, without personal dietary advice.",
    "definition": "A fatty acid with one or more carbon-carbon double or triple bonds within its chain, including fatty acids with triple bonds and familiar double-bond examples such as monounsaturated oleic acid and polyunsaturated linoleic acid, alpha-linolenic acid, EPA and DHA; cis and trans forms of double bonds differ in effects.",
    "what_it_is_for": "Nutrition, food science and biology of cell membranes.",
    "affordances": [
      "classify fatty acids by double bonds",
      "read fat labels",
      "identify omega-3 and omega-6 sources",
      "understand trans fat rules"
    ],
    "distinguishing_features": [
      "Its carbon chain contains at least one carbon-carbon double or triple bond.",
      "These fatty acids are usually liquid at room temperature.",
      "Some are essential in the diet.",
      "They are prone to oxidation."
    ],
    "appearance": "Liquid oils at room temperature in most cases.",
    "visual_identification": [
      "Structural representations show at least one carbon-carbon double or triple bond within the fatty acid chain.",
      "Double-bond examples include monounsaturated and polyunsaturated fatty acids.",
      "Omega numbering describes double-bond positions relative to the methyl end.",
      "Saturated fatty acids have no carbon-carbon double or triple bonds within their chains."
    ],
    "physical_properties": [
      {
        "quantity": "Molar mass",
        "unit": "g/mol",
        "typical_range": "",
        "note": "Calculate from the molecular formula of the identified fatty acid because chain length and unsaturation vary across the class."
      },
      {
        "quantity": "Melting temperature",
        "unit": "deg C",
        "typical_range": "",
        "note": "Measure by thermal analysis and report chemical identity, purity and geometric configuration."
      },
      {
        "quantity": "Density",
        "unit": "g/cm3",
        "typical_range": "",
        "note": "Measure mass per calibrated volume and report temperature, physical state and sample composition."
      }
    ],
    "families_and_kinds": [
      "monounsaturated fatty acids",
      "omega-3 fatty acids",
      "omega-6 fatty acids",
      "trans fatty acids",
      "conjugated fatty acids"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "fatty acid",
        "why": "category"
      },
      {
        "relation": "is contrasted with",
        "target": "saturated fatty acid",
        "why": "class"
      },
      {
        "relation": "includes",
        "target": "omega-3 fatty acid",
        "why": "member"
      },
      {
        "relation": "is found in",
        "target": "vegetable oils and fish",
        "why": "sources"
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "EU trans fat limit regulation 2019/649",
      "Nutrition labelling rules",
      "National dietary guidelines"
    ],
    "failure_modes_and_hazards": [
      "Rancidity through oxidation",
      "Agents giving personal diet advice",
      "Misleading health claims"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Explain the chemistry of unsaturated fatty acids and read fat declarations on labels.",
        "Advise on storage that limits oxidation, from food safety guidance."
      ],
      "must_not": [
        "Give personal diet advice or prescribe a fat intake for a person.",
        "Repeat health claims about oils that food authorities have not accepted.",
        "Advise using oil that is rancid or has been heated past its smoke point for food.",
        "Present one oil as a cure or a danger beyond the evidence."
      ],
      "requires_human": [
        "Any dietary change for a person with a heart or metabolic condition."
      ]
    },
    "ethics": {
      "considerations": [
        "Fat advice has swung with fashion and marketing, and people's health decisions follow it.",
        "Oxidised fats degrade food quality and may harm health."
      ],
      "affected_parties": [
        "Consumers reading labels",
        "People managing heart conditions",
        "Food producers and retailers"
      ]
    },
    "owners": {
      "steward": "Nobody owns the substances; food authorities set labelling and health claim rules.",
      "master_systems": [
        "National food composition and labelling records"
      ]
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q2250497: unsaturated fatty acid",
      "url": "https://www.wikidata.org/wiki/Q2250497",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Unsaturated fatty acid",
      "url": "https://en.wikipedia.org/wiki/Unsaturated_fatty_acid",
      "url_status": "live",
      "what_it_supports": "general description of the item",
      "checked_by": "wikidata-api sitelink"
    }
  ],
  "structure": {
    "bundles": [
      {
        "id": "structure",
        "name": "Structure",
        "description": "Chemistry.",
        "rationale": "Double bonds define them.",
        "layers": [
          {
            "id": "bonds",
            "name": "Bonds",
            "description": "Number and position.",
            "findings": [
              {
                "id": "bonds-finding",
                "name": "Bonds",
                "description": "Double bonds.",
                "questions": [
                  {
                    "text": "How many double bonds are there, and where?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is it cis or trans?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "name",
            "name": "Name",
            "description": "Nomenclature.",
            "findings": [
              {
                "id": "name-finding",
                "name": "Name",
                "description": "Nomenclature.",
                "questions": [
                  {
                    "text": "What is its common and systematic name?",
                    "kind": "definition"
                  },
                  {
                    "text": "What is its omega number?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "food",
        "name": "Food",
        "description": "Sources and labels.",
        "rationale": "Labels report fats.",
        "layers": [
          {
            "id": "sources",
            "name": "Sources",
            "description": "Foods.",
            "findings": [
              {
                "id": "sources-finding",
                "name": "Sources",
                "description": "Food sources.",
                "questions": [
                  {
                    "text": "Which foods provide it, according to composition data?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How much per serving?",
                    "kind": "measurement"
                  }
                ]
              }
            ]
          },
          {
            "id": "labels",
            "name": "Labels",
            "description": "Nutrition table.",
            "findings": [
              {
                "id": "labels-finding",
                "name": "Labels",
                "description": "Labels.",
                "questions": [
                  {
                    "text": "How are unsaturated fats shown on labels here?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Are health claims authorised?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "health",
        "name": "Health",
        "description": "Guidance.",
        "rationale": "Public guidance, not personal advice.",
        "layers": [
          {
            "id": "guidelines",
            "name": "Guidelines",
            "description": "Public advice.",
            "findings": [
              {
                "id": "guidelines-finding",
                "name": "Guidelines",
                "description": "Dietary guidelines.",
                "questions": [
                  {
                    "text": "What do national guidelines say about these fats?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which authority issued them?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "advice",
            "name": "Advice",
            "description": "Personal.",
            "findings": [
              {
                "id": "advice-finding",
                "name": "Advice",
                "description": "Advice limit.",
                "questions": [
                  {
                    "text": "Is the user asking for personal diet or supplement advice?",
                    "kind": "boundary"
                  },
                  {
                    "text": "How should they be referred to a clinician or dietitian?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "storage",
        "name": "Storage",
        "description": "Stability.",
        "rationale": "Oxidation spoils oils.",
        "layers": [
          {
            "id": "oxidation",
            "name": "Oxidation",
            "description": "Rancidity.",
            "findings": [
              {
                "id": "oxidation-finding",
                "name": "Oxidation",
                "description": "Oxidation.",
                "questions": [
                  {
                    "text": "How can oils be stored to reduce rancidity?",
                    "kind": "action"
                  },
                  {
                    "text": "What are the signs of rancid oil?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          },
          {
            "id": "trans",
            "name": "Trans fats",
            "description": "Rules.",
            "findings": [
              {
                "id": "trans-finding",
                "name": "Trans fats",
                "description": "Trans fat rules.",
                "questions": [
                  {
                    "text": "What limits apply to industrial trans fats here?",
                    "kind": "provenance"
                  },
                  {
                    "text": "How are they formed?",
                    "kind": "definition"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should omega-3 and omega-6 be separate entries?",
    "How should dietary guidelines be localised?",
    "How should trans fats be split off?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}