{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.snow-cave","code":"thing-q7548379","url":"https://ver.cy/models/thing/q7548379/","name":"snow cave","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 shelter dug into a bank or drift of snow, used to protect people from cold and wind in winter or mountain conditions; the trapped air and insulating snow keep the interior far warmer than the outside, and it is a survival and mountaineering technique. A snow cave must be built and used carefully to avoid collapse and suffocation, so ventilation and structure matter.","purpose":"Let an agent explain what a snow cave is, relay its purpose, principle and safety from mountaineering and survival sources, and distinguish it from an igloo and from a natural cave, routing real emergencies to proper help.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Dug into snow","Insulated interior","Survival technique","Needs ventilation"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What a snow cave is.","layers":[{"id":"definition","name":"Definition","description":"Definition.","findings":[{"id":"definition-finding","name":"Definition","description":"Definition.","questions":[{"text":"What is a snow cave, and how does it differ from an igloo or a natural cave?","kind":"definition"},{"text":"Is this a real cold-weather emergency needing rescue services?","kind":"boundary"}]}]},{"id":"use","name":"Use","description":"Use.","findings":[{"id":"use-finding","name":"Use","description":"Use.","questions":[{"text":"When is a snow cave used for shelter?","kind":"definition"},{"text":"Which entry fits igloo?","kind":"action"}]}]}]},{"id":"principle","name":"Principle","description":"Principle.","layers":[{"id":"insulation","name":"Insulation","description":"Insulation.","findings":[{"id":"insulation-finding","name":"Insulation","description":"Insulation.","questions":[{"text":"Why does snow insulate the interior of a snow cave?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"warmth","name":"Warmth","description":"Warmth.","findings":[{"id":"warmth-finding","name":"Warmth","description":"Warmth.","questions":[{"text":"How much warmer is a snow cave than outside, as sources describe?","kind":"provenance"},{"text":"How is temperature measured?","kind":"measurement"}]}]}]},{"id":"safety","name":"Safety","description":"Safety.","layers":[{"id":"ventilation","name":"Ventilation","description":"Ventilation.","findings":[{"id":"ventilation-finding","name":"Ventilation","description":"Ventilation.","questions":[{"text":"Why is ventilation essential in a snow cave?","kind":"provenance"},{"text":"Is expert guidance needed before attempting one?","kind":"boundary"}]}]},{"id":"collapse","name":"Collapse","description":"Collapse risk.","findings":[{"id":"collapse-finding","name":"Collapse","description":"Collapse.","questions":[{"text":"What makes a snow cave collapse, and how is that avoided?","kind":"provenance"},{"text":"Where should survival training be sought?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"Context.","layers":[{"id":"mountaineering","name":"Mountaineering","description":"Mountaineering.","findings":[{"id":"mountaineering-finding","name":"Mountaineering","description":"Mountaineering.","questions":[{"text":"How do mountaineers use snow caves?","kind":"provenance"},{"text":"Which sources are cited?","kind":"provenance"}]}]},{"id":"shelters","name":"Shelters","description":"Other snow shelters.","findings":[{"id":"shelters-finding","name":"Shelters","description":"Shelters.","questions":[{"text":"How does a snow cave compare with other snow shelters?","kind":"provenance"},{"text":"Which entry fits the related shelter?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Explain snow caves as emergency or planned shelters and their general safety principles.","Advise users to check avalanche conditions and tell others their plans."],"mustNot":["Encourage snow caves in avalanche terrain or unstable snow.","Ignore ventilation needs or risks of roof collapse.","Leave people in a snow cave without a way to call for help.","Present a snow cave as safe for untrained people in all conditions."],"requiresHuman":["Directing people into or out of a snow shelter in an emergency."]},"ethics":{"considerations":["Snow caves save lives but can collapse or suffocate occupants.","Rescuers may be put at risk."],"affectedParties":["Mountaineers and travellers","Rescuers","Children in winter play"]},"owners":{"steward":"The people who build and use it.","roles":[],"masterSystems":[]},"relations":[{"target":"Q27966041","type":"parent","note":"registry parent class"},{"target":"snow or ice construction","type":"related","note":"in registry terms"},{"target":"igloo","type":"related"},{"target":"natural cave","type":"related"},{"target":"mountaineering","type":"related"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.snow-cave","Wikidata: Q7548379 (https://www.wikidata.org/wiki/Q7548379)"]},"properties":{"applicability":"required","items":["material: snow note","principle: snow insulates note","registry parent: snow or ice construction note"]},"recognition":{"applicability":"required","items":["A chamber dug into a snow bank","A dug snow shelter for winter survival","An igloo is built from cut snow blocks; a natural cave is rock","A hollow dug into a snow bank, with a small entrance and a domed interior chamber above the entrance level."]},"capabilities":{"applicability":"required","items":["explain the shelter","relay its insulating principle","note safety considerations","distinguish it from an igloo"]},"hazards":{"applicability":"required","items":["Collapse of the roof","Suffocation without ventilation","Confusing with an igloo"]},"interfaces":{"applicability":"required","items":["Mountaineering and survival guidance"]},"context":{"applicability":"required","items":["Sheltering people from cold using dug snow.","survival snow cave","mountaineering snow cave","snow trench shelter"]}},"sources":[{"title":"Wikidata item Q7548379: snow cave","url":"https://www.wikidata.org/wiki/Q7548379","note":"identity and sense of the item"},{"title":"Wikipedia: Snow cave","url":"https://en.wikipedia.org/wiki/Snow_cave","note":"general description of the item"}],"openQuestions":["Should survival and mountaineering uses be distinguished?","How should safety be conveyed without instructing risky acts?","How should it relate to the igloo?"],"resources":{"spec":"/models/things/publications/thing-q7548379/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q7548379/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-14T03:33:12Z","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 2026-10-06T19:52:02+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}