{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.web-decoration","code":"thing-q967893","url":"https://ver.cy/models/thing/q967893/","name":"web decoration","alternateNames":[],"kind":"thing","status":"published","version":"0.2.0-wave.4","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.BLT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"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.","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.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Conspicuous silk","Species-specific shapes","Debated function","Built at web hub"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What a web decoration is.","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.","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.","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.","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"}]}]}]}]},"agentConduct":{"may":["Describe web decorations and the hypotheses about their function.","Identify spider species from photos with stated confidence."],"mustNot":["Present one hypothesis about decoration function as settled.","Confuse decorations with egg sacs.","Destroy webs or collect spiders from protected areas without permission."],"requiresHuman":["Collecting spiders for research or education."]},"ethics":{"considerations":["Spiders are often killed out of fear; accurate information helps people tolerate them."],"affectedParties":["Spiders","Students"]},"owners":{"steward":"Nobody owns it; wild spiders are protected in some areas.","roles":[],"masterSystems":[]},"relations":[{"target":"Q2904042","type":"parent","note":"registry parent class"},{"target":"Q811430","type":"parent","note":"registry parent class"},{"target":"bioconstruction","type":"related","note":"in registry terms"},{"target":"spider web","type":"related"},{"target":"Argiope","type":"related"},{"target":"egg sac","type":"related"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.web-decoration","Wikidata: Q967893 (https://www.wikidata.org/wiki/Q967893)"]},"properties":{"applicability":"required","items":["stabilimentum term: late 19th century note - attributed to Eugene Simon","UV reflectance: reported for some decorations note - attributed","genera: Argiope, Cyclosa, Uloborus list"]},"recognition":{"applicability":"required","items":["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","Bright white zigzag, cross or disk-shaped silk bands at the web centre."]},"capabilities":{"applicability":"required","items":["explain forms","relay taxa","present functional hypotheses with attribution","distinguish related structures"]},"hazards":{"applicability":"required","items":["Presenting one hypothesis as settled","Confusing decorations with egg sacs","Misidentifying species"]},"interfaces":{"applicability":"required","items":["Not applicable"]},"context":{"applicability":"required","items":["Functions debated; possibly prey attraction, predator deterrence or camouflage.","linear and zigzag decorations","cruciate decorations","disk and spiral decorations","debris decorations"]}},"sources":[{"title":"Wikidata item Q967893: web decoration","url":"https://www.wikidata.org/wiki/Q967893","note":"identity and sense of the item"},{"title":"Wikipedia: Stabilimentum","url":"https://en.wikipedia.org/wiki/Stabilimentum","note":"general description of the item"}],"openQuestions":["Should debris decorations be a separate entry?","Is the registry classification as fixed construction appropriate?","How should arachnology reviews be linked?"],"resources":{"spec":"/models/things/publications/thing-q967893/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q967893/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-14T00:54:02Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:52:03+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}