{
  "vercy": "1.0-draft",
  "publication": {
    "status": "research-draft",
    "adjudicationStatus": "unreviewed",
    "publishableCanonical": false,
    "generatedAt": "2026-09-14T00:54:02Z",
    "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": "2026-10-06T07:44:36+00:00",
      "fields": [
        "agent_conduct",
        "ethics",
        "owners"
      ]
    },
    "gate": {
      "passed": true,
      "version": "1.0",
      "at": "2026-10-06T19:52:03+00:00",
      "evidence": [
        "completeness 1.00",
        "sense: Wikidata description",
        "2 live sources",
        "review by codex: pass"
      ]
    }
  },
  "metaModel": {
    "id": "THING-Q967893",
    "registryId": "vr.tr.web-decoration",
    "name": "web decoration",
    "version": "0.2.0-wave.4",
    "entryKind": "thing",
    "family": "Thing Registry",
    "domain": [
      "PHY.BLT"
    ],
    "status": "research-draft"
  },
  "canonicalUrl": "https://ver.cy/models/thing/q967893/",
  "model": {
    "registry_id": "vr.tr.web-decoration",
    "name": "web decoration",
    "purpose": "Let an agent explain web decorations, relay forms, taxa and competing functional hypotheses from arachnology sources with evidence attributed, and distinguish web decorations from the main orb web, egg sacs, debris decorations used as camouflage and silk retreats.",
    "definition": "A conspicuous silk structure that some orb-weaving spiders add to their webs, also called a stabilimentum, in shapes such as zigzag bands, crosses, spirals or disks, found in genera such as Argiope, Cyclosa and Uloborus; its function is debated, with hypotheses including attracting prey by reflecting ultraviolet light, warning birds away from damaging the web, camouflaging the spider, regulating temperature and stabilising the web, the last giving the old name, and evidence differs by species, so positions are attributed. The registry files it under bioconstruction and fixed construction.",
    "what_it_is_for": "Functions debated; possibly prey attraction, predator deterrence or camouflage.",
    "affordances": [
      "explain forms",
      "relay taxa",
      "present functional hypotheses with attribution",
      "distinguish related structures"
    ],
    "distinguishing_features": [
      "Conspicuous silk",
      "Species-specific shapes",
      "Debated function",
      "Built at web hub"
    ],
    "appearance": "Bright white zigzag, cross or disk-shaped silk bands at the web centre.",
    "visual_identification": [
      "Conspicuous silk added to an orb web",
      "Web decoration, stabilimentum",
      "The orb web captures prey; egg sacs hold eggs; debris decorations use prey remains; retreats are shelters"
    ],
    "physical_properties": [
      {
        "quantity": "stabilimentum term",
        "typical_range": "late 19th century",
        "unit": "note",
        "note": "attributed to Eugene Simon"
      },
      {
        "quantity": "UV reflectance",
        "typical_range": "reported for some decorations",
        "unit": "note",
        "note": "attributed"
      },
      {
        "quantity": "genera",
        "typical_range": "Argiope, Cyclosa, Uloborus",
        "unit": "list",
        "note": ""
      }
    ],
    "families_and_kinds": [
      "linear and zigzag decorations",
      "cruciate decorations",
      "disk and spiral decorations",
      "debris decorations"
    ],
    "related_models": [
      {
        "relation": "is a kind of",
        "target": "bioconstruction",
        "why": "in registry terms"
      },
      {
        "relation": "is part of",
        "target": "spider web",
        "why": ""
      },
      {
        "relation": "is made by",
        "target": "Argiope",
        "why": ""
      },
      {
        "relation": "is contrasted with",
        "target": "egg sac",
        "why": ""
      }
    ],
    "identifiers": [],
    "standards_and_regulation": [
      "Not applicable"
    ],
    "failure_modes_and_hazards": [
      "Presenting one hypothesis as settled",
      "Confusing decorations with egg sacs",
      "Misidentifying species"
    ],
    "in_scope": [],
    "out_of_scope": [],
    "characteristics": [],
    "agent_conduct": {
      "may": [
        "Describe web decorations and the hypotheses about their function.",
        "Identify spider species from photos with stated confidence."
      ],
      "must_not": [
        "Present one hypothesis about decoration function as settled.",
        "Confuse decorations with egg sacs.",
        "Destroy webs or collect spiders from protected areas without permission."
      ],
      "requires_human": [
        "Collecting spiders for research or education."
      ]
    },
    "ethics": {
      "considerations": [
        "Spiders are often killed out of fear; accurate information helps people tolerate them."
      ],
      "affected_parties": [
        "Spiders",
        "Students"
      ]
    },
    "owners": {
      "steward": "Nobody owns it; wild spiders are protected in some areas.",
      "master_systems": []
    }
  },
  "sources": [
    {
      "id": "wikidata",
      "title": "Wikidata item Q967893: web decoration",
      "url": "https://www.wikidata.org/wiki/Q967893",
      "url_status": "live",
      "what_it_supports": "identity and sense of the item",
      "checked_by": "wikidata-api"
    },
    {
      "id": "wikipedia-en",
      "title": "Wikipedia: Stabilimentum",
      "url": "https://en.wikipedia.org/wiki/Stabilimentum",
      "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 web decoration is.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "definition",
            "name": "Definition",
            "description": "Definition.",
            "findings": [
              {
                "id": "definition-finding",
                "name": "Definition",
                "description": "Definition.",
                "questions": [
                  {
                    "text": "What is a web decoration, and how does it differ from the orb web, egg sacs, debris decorations and retreats?",
                    "kind": "definition"
                  },
                  {
                    "text": "Is the question about identifying a spider, whose bite risk depends on species and local guidance?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "forms",
            "name": "Forms",
            "description": "Forms.",
            "findings": [
              {
                "id": "forms-finding",
                "name": "Forms",
                "description": "Forms.",
                "questions": [
                  {
                    "text": "What shapes do decorations take in different genera?",
                    "kind": "definition"
                  },
                  {
                    "text": "Which entry fits the specific spider?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "function",
        "name": "Function",
        "description": "Hypotheses.",
        "rationale": "Attribution.",
        "layers": [
          {
            "id": "prey",
            "name": "Prey attraction",
            "description": "Prey attraction.",
            "findings": [
              {
                "id": "prey-finding",
                "name": "Prey attraction",
                "description": "Prey attraction.",
                "questions": [
                  {
                    "text": "What evidence supports and contradicts the prey attraction hypothesis, with studies attributed?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which references are standard?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "predators",
            "name": "Predators",
            "description": "Predator deterrence.",
            "findings": [
              {
                "id": "predators-finding",
                "name": "Predators",
                "description": "Predators.",
                "questions": [
                  {
                    "text": "What do researchers report on bird warning and camouflage hypotheses?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the presentation neutral and attributed?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "biology",
        "name": "Biology",
        "description": "Biology.",
        "rationale": "Science.",
        "layers": [
          {
            "id": "silk",
            "name": "Silk",
            "description": "Aciniform silk.",
            "findings": [
              {
                "id": "silk-finding",
                "name": "Silk",
                "description": "Silk.",
                "questions": [
                  {
                    "text": "Which silk glands produce decoration silk?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which sources are cited?",
                    "kind": "provenance"
                  }
                ]
              }
            ]
          },
          {
            "id": "taxa",
            "name": "Taxa",
            "description": "Taxa.",
            "findings": [
              {
                "id": "taxa-finding",
                "name": "Taxa",
                "description": "Taxa.",
                "questions": [
                  {
                    "text": "Which spider families build decorations?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits Araneidae?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      },
      {
        "id": "context",
        "name": "Context",
        "description": "History.",
        "rationale": "Sources.",
        "layers": [
          {
            "id": "name",
            "name": "Name",
            "description": "Stabilimentum.",
            "findings": [
              {
                "id": "name-finding",
                "name": "Name",
                "description": "Name.",
                "questions": [
                  {
                    "text": "Why was the name stabilimentum coined and later questioned?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Is the information accurate?",
                    "kind": "boundary"
                  }
                ]
              }
            ]
          },
          {
            "id": "uv",
            "name": "UV vision",
            "description": "Insect vision.",
            "findings": [
              {
                "id": "uv-finding",
                "name": "UV vision",
                "description": "UV vision.",
                "questions": [
                  {
                    "text": "How does insect ultraviolet vision relate to decoration hypotheses?",
                    "kind": "provenance"
                  },
                  {
                    "text": "Which entry fits ultraviolet vision in insects?",
                    "kind": "action"
                  }
                ]
              }
            ]
          }
        ]
      }
    ]
  },
  "openQuestions": [
    "Should debris decorations be a separate entry?",
    "Is the registry classification as fixed construction appropriate?",
    "How should arachnology reviews be linked?"
  ],
  "statistics": {
    "bundles": 4,
    "layers": 8,
    "findings": 8,
    "questions": 16
  }
}