{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.cat-q2961480","code":"thing-q2961480","url":"https://ver.cy/models/thing/q2961480/","name":"cat","alternateNames":[],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.OBJ"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A medieval siege device, also called a sow, consisting of a movable roofed shed that protected soldiers approaching fortifications; described here as an object of military history and reconstruction only.","purpose":"Let an agent describe the siege cat historically from sources, including terminology and museum reconstructions, without operational detail, and separate the animal sense.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Protective movable shelter","Medieval siege context","Known from texts and images","Many regional names"],"structure":{"bundles":[{"id":"history","name":"History","description":"Sources.","layers":[{"id":"description","name":"Description","description":"What it was.","findings":[{"id":"description-finding","name":"Description","description":"Historical description.","questions":[{"text":"How do medieval chronicles describe the siege cat?","kind":"provenance"},{"text":"Which sieges mention it?","kind":"provenance"}]}]},{"id":"terms","name":"Terms","description":"Names.","findings":[{"id":"terms-finding","name":"Terms","description":"Terminology.","questions":[{"text":"Which regional names were used, such as sow?","kind":"provenance"},{"text":"Why was it called a cat?","kind":"provenance"}]}]}]},{"id":"context","name":"Context","description":"Siege warfare.","layers":[{"id":"related","name":"Related","description":"Other engines.","findings":[{"id":"related-finding","name":"Related","description":"Related devices.","questions":[{"text":"How did it relate to rams and siege towers, in general terms?","kind":"definition"},{"text":"Which historians discuss them?","kind":"provenance"}]}]},{"id":"period","name":"Period","description":"When used.","findings":[{"id":"period-finding","name":"Period","description":"Period.","questions":[{"text":"In which periods and regions is it attested?","kind":"provenance"},{"text":"How reliable are the sources?","kind":"boundary"}]}]}]},{"id":"heritage","name":"Heritage","description":"Museums.","layers":[{"id":"reconstructions","name":"Reconstructions","description":"Museums.","findings":[{"id":"reconstructions-finding","name":"Reconstructions","description":"Reconstructions.","questions":[{"text":"Where can reconstructions be seen?","kind":"provenance"},{"text":"How accurate are they?","kind":"boundary"}]}]},{"id":"images","name":"Images","description":"Manuscripts.","findings":[{"id":"images-finding","name":"Images","description":"Manuscript images.","questions":[{"text":"Which manuscripts depict it?","kind":"provenance"},{"text":"Are digitised images available?","kind":"provenance"}]}]}]},{"id":"senses","name":"Senses","description":"Disambiguation.","layers":[{"id":"animal","name":"Animal","description":"Domestic cat.","findings":[{"id":"animal-finding","name":"Animal","description":"Animal sense.","questions":[{"text":"Is the domestic cat or another felid meant?","kind":"boundary"},{"text":"Which entry fits?","kind":"action"}]}]},{"id":"other","name":"Other","description":"Other uses.","findings":[{"id":"other-finding","name":"Other","description":"Other senses.","questions":[{"text":"Is a cat-o-nine-tails, catamaran or CAT scan meant?","kind":"boundary"},{"text":"Which entry fits?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Describe the medieval siege cat and its use from historical sources.","Help plan a reconstruction or display that follows the venue's safety rules."],"mustNot":["Present conjecture about siege engines as documented history.","Let visitors work or climb on a reconstruction without supervision and safety checks.","Damage historic sites or remains while reconstructing or demonstrating it."],"requiresHuman":["Opening a reconstruction to public use or demonstration."]},"ethics":{"considerations":["Reconstructions are heavy and can injure visitors and volunteers.","Siege warfare caused great suffering, which presentations should not glamorise."],"affectedParties":["Visitors and volunteers","Historians and students","Heritage sites"]},"owners":{"steward":"The museum, society or person who keeps a reconstruction; no originals are known to survive.","roles":[],"masterSystems":[]},"relations":[{"target":"Q655697","type":"parent","note":"registry parent class"},{"target":"siege engine","type":"related","note":"category"},{"target":"castle and fortification","type":"related","note":"target"},{"target":"medieval chronicles","type":"related","note":"sources"},{"target":"cat (animal)","type":"related","note":"another sense"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.cat-q2961480","Wikidata: Q2961480 (https://www.wikidata.org/wiki/Q2961480)"]},"properties":{"applicability":"required","items":["Overall length:  m - Length is measured along the longest horizontal extent of a surviving reconstruction or derived from a documented historical representation.","Overall width:  m - Width is measured across the widest part of a specified reconstruction, with projecting components identified.","Overall height:  m - Height is measured from the supporting surface to the highest roof component of a specified reconstruction.","Total mass:  kg - Mass is determined by weighing a reconstruction or estimating its documented components, with uncertainty stated."]},"recognition":{"applicability":"required","items":["Covered movable shed","Terms such as cat, sow, testudo","The domestic cat is a different sense","A timber shed on wheels with a sloping roof, as shown in manuscripts and reconstructions."]},"capabilities":{"applicability":"required","items":["explain what a siege cat was from historical sources","find depictions in manuscripts and reconstructions","relate it to other siege engines","separate other senses of cat"]},"hazards":{"applicability":"required","items":["Romanticised or unsourced claims","Confusing senses"]},"interfaces":{"applicability":"required","items":["Heritage and museum standards for reconstructions"]},"context":{"applicability":"required","items":["A subject of medieval military history and heritage.","cats and sows","Roman testudo (related)","siege towers (related)","rams (related)"]}},"sources":[{"title":"Wikidata item Q2961480: cat","url":"https://www.wikidata.org/wiki/Q2961480","note":"identity and sense of the item"},{"title":"Wikipedia (de): Katze (Belagerungsgerät)","url":"https://de.wikipedia.org/wiki/Katze_%28Belagerungsger%C3%A4t%29","note":"general description of the item"}],"openQuestions":["Should siege engines be grouped?","How should manuscript sources be linked?","How should the animal sense be split off?"],"resources":{"spec":"/models/things/publications/thing-q2961480/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q2961480/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T11:20:24Z","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 2026-10-08T19:09:52+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}