{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.tenaille","code":"thing-q89531","url":"https://ver.cy/models/thing/q89531/","name":"tenaille","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":"In bastion fortification, a low outwork placed in the ditch in front of the curtain wall between two bastions, protecting the base of the curtain and the flanks from direct fire, typically in a shape following the lines of the bastion faces; the term is also used for a small work with two faces forming a re-entrant angle. The model describes historical fortification.","purpose":"Let an agent explain the tenaille as a historical fortification element, relay its function and examples from military architecture sources, describe its place in the trace italienne, and distinguish tenailles from ravelins, bastions, lunettes and hornworks.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Low outwork","In the ditch","Covers the curtain","Bastion system element"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What a tenaille is.","layers":[{"id":"definition","name":"Definition","description":"Definition.","findings":[{"id":"definition-finding","name":"Definition","description":"Definition.","questions":[{"text":"What is a tenaille, and how does it differ from a ravelin, bastion, lunette and hornwork?","kind":"definition"},{"text":"Is the question about historical fortification, a site or terminology?","kind":"boundary"}]}]},{"id":"forms","name":"Forms","description":"Forms.","findings":[{"id":"forms-finding","name":"Forms","description":"Forms.","questions":[{"text":"What forms did tenailles take?","kind":"definition"},{"text":"Which entry fits the specific form?","kind":"action"}]}]}]},{"id":"history","name":"History","description":"History.","layers":[{"id":"system","name":"System","description":"Bastion system.","findings":[{"id":"system-finding","name":"System","description":"System.","questions":[{"text":"How did tenailles fit into the trace italienne and Vauban s designs?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"decline","name":"Decline","description":"Obsolescence.","findings":[{"id":"decline-finding","name":"Decline","description":"Decline.","questions":[{"text":"Why did bastion outworks become obsolete in the 19th century?","kind":"provenance"},{"text":"Which sources are cited?","kind":"provenance"}]}]}]},{"id":"sites","name":"Sites","description":"Sites.","layers":[{"id":"examples","name":"Examples","description":"Examples.","findings":[{"id":"examples-finding","name":"Examples","description":"Examples.","questions":[{"text":"Which surviving fortresses preserve tenailles?","kind":"provenance"},{"text":"Which entry fits Fortifications of Vauban?","kind":"action"}]}]},{"id":"plans","name":"Plans","description":"Reading plans.","findings":[{"id":"plans-finding","name":"Plans","description":"Plans.","questions":[{"text":"How can tenailles be identified on fortress plans?","kind":"provenance"},{"text":"Which entry fits bastion fort?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"Terms.","layers":[{"id":"glossary","name":"Glossary","description":"Glossary.","findings":[{"id":"glossary-finding","name":"Glossary","description":"Glossary.","questions":[{"text":"What other fortification terms relate to the tenaille?","kind":"provenance"},{"text":"Which entry fits glossary of fortification?","kind":"action"}]}]},{"id":"heritage","name":"Heritage","description":"Heritage.","findings":[{"id":"heritage-finding","name":"Heritage","description":"Heritage.","questions":[{"text":"How are fortification outworks conserved?","kind":"provenance"},{"text":"Which entry fits military heritage?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Explain the tenaille and its place in bastion fortification, citing military history.","Read historical plans and describe outworks with sources."],"mustNot":["Confuse the tenaille with other outworks.","Encourage digging or metal detecting on protected earthworks.","Present uncertain plan readings as fact."],"requiresHuman":["Approving works on a protected fortification."]},"ethics":{"considerations":["Earthwork remains are fragile and easily lost.","Fortifications are tied to war memory."],"affectedParties":["Heritage sites","Visitors and scholars"]},"owners":{"steward":"The heritage body or landowner holding each fortification.","roles":[],"masterSystems":["Heritage registers"]},"relations":[{"target":"Q811430","type":"parent","note":"registry parent class"},{"target":"fixed construction","type":"related","note":"in registry terms"},{"target":"bastion fort","type":"related"},{"target":"ravelin","type":"related"},{"target":"Vauban","type":"related","note":"in fortress designs"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.tenaille","Wikidata: Q89531 (https://www.wikidata.org/wiki/Q89531)"]},"properties":{"applicability":"required","items":["period: 16th-19th centuries note","position: in the main ditch note","associated engineer: Vauban note - systematised outworks"]},"recognition":{"applicability":"required","items":["Low outwork before the curtain between bastions","Tenailles in Vauban-style fortresses","Ravelins stand beyond the ditch; bastions project from the walls; lunettes and hornworks are other outworks","A low wall or earthwork in the ditch in front of a curtain."]},"capabilities":{"applicability":"required","items":["explain the element","relay function and examples","describe the bastion system","distinguish related works"]},"hazards":{"applicability":"required","items":["Confusing outwork names","Misreading plans","Loss of earthwork remains"]},"interfaces":{"applicability":"required","items":["Heritage protection of fortifications such as UNESCO Vauban sites"]},"context":{"applicability":"required","items":["Historically, protecting the curtain wall.","simple tenailles","tenailles with flanks","tenaillons","tenaille traces in polygonal fortification"]}},"sources":[{"title":"Wikidata item Q89531: tenaille","url":"https://www.wikidata.org/wiki/Q89531","note":"identity and sense of the item"},{"title":"Wikipedia: Tenaille","url":"https://en.wikipedia.org/wiki/Tenaille","note":"general description of the item"}],"openQuestions":["Should tenaillon be a separate entry?","How should military architecture sources be linked?","How should the two senses be recorded?"],"resources":{"spec":"/models/things/publications/thing-q89531/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q89531/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-13T18:15:16Z","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}}