{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.shield","code":"thing-q131559","url":"https://ver.cy/models/thing/q131559/","name":"shield","alternateNames":["aritum","caetra","chīmalli","clipeus","aali","aspis","human shield","Plexiglass shield","strapped shield","long shield","boss grip shield","shield skin"],"kind":"thing","status":"published","version":"0.2.0-wave.5","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 piece of personal armour held in the hand or worn on the arm to intercept blows and projectiles, made of wood, leather, metal or modern materials; used since prehistory in warfare and today by police and riot-control units, and in heraldry and sport.","purpose":"Let an agent describe shields, their types, history and modern use, from historical and museum sources, without tactical advice.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Historical types include the Greek aspis, the Roman scutum and clipeus, and the Aztec chimalli.","Riot shields protect against impacts; ballistic shields are rated against projectiles (such as NIJ 0108.01 materials).","The term 'human shield' is a figurative and legal term, not a type of armour."],"structure":{"bundles":[{"id":"shield","name":"Shield","description":"Which shield.","layers":[{"id":"type","name":"Type","description":"Kind.","findings":[{"id":"type","name":"Type","description":"Kind and period.","questions":[{"text":"Which type?","kind":"provenance"},{"text":"From which period and culture?","kind":"provenance"}]}]},{"id":"object","name":"Object","description":"Specimen.","findings":[{"id":"specimen","name":"Specimen","description":"Collection record.","questions":[{"text":"Which object?","kind":"provenance"},{"text":"Held by which museum?","kind":"provenance"}]}]}]},{"id":"construction","name":"Construction","description":"Materials.","layers":[{"id":"materials","name":"Materials","description":"Body.","findings":[{"id":"materials","name":"Materials","description":"Materials.","questions":[{"text":"Which materials?","kind":"provenance"},{"text":"Per which analysis?","kind":"provenance"}]}]},{"id":"dimensions","name":"Dimensions","description":"Size and weight.","findings":[{"id":"dimensions","name":"Dimensions","description":"Values.","questions":[{"text":"What size and weight?","kind":"measurement"},{"text":"Measured by whom?","kind":"provenance"}]}]}]},{"id":"use","name":"Use","description":"Function.","layers":[{"id":"historical-use","name":"Historical use","description":"Warfare.","findings":[{"id":"use","name":"Use","description":"Description.","questions":[{"text":"How was it used?","kind":"provenance"},{"text":"Per which source?","kind":"provenance"}]}]},{"id":"modern-use","name":"Modern use","description":"Policing.","findings":[{"id":"rating","name":"Rating","description":"Standard and level.","questions":[{"text":"Which protection rating?","kind":"provenance"},{"text":"Per which standard?","kind":"provenance"}]}]}]},{"id":"symbolism","name":"Symbolism","description":"Heraldry and art.","layers":[{"id":"heraldry","name":"Heraldry","description":"Arms.","findings":[{"id":"arms","name":"Arms","description":"Blazon.","questions":[{"text":"Which arms are displayed?","kind":"provenance"},{"text":"Per which armorial?","kind":"provenance"}]}]},{"id":"decoration","name":"Decoration","description":"Art.","findings":[{"id":"decoration","name":"Decoration","description":"Description.","questions":[{"text":"Which decoration?","kind":"provenance"},{"text":"Per which catalogue?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["describe history and types"],"mustNot":["give tactical or violent-use advice"],"requiresHuman":[]},"ethics":{"considerations":["proportionate force in policing"],"affectedParties":["police","protesters"]},"owners":{"steward":"the owner of each shield; museums hold historical examples","roles":[],"masterSystems":[]},"relations":[{"target":"Q1453431","type":"parent","note":"registry parent class"},{"target":"Q485027","type":"parent","note":"registry parent class"},{"target":"armour","type":"related","note":"protective equipment"},{"target":"escutcheon","type":"related","note":"heraldic representation"},{"target":"shield boss","type":"related","note":"component"},{"target":"human shield","type":"related","note":"figurative and legal term"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.shield","Wikidata: Q131559 (https://www.wikidata.org/wiki/Q131559)"]},"properties":{"applicability":"required","items":["size: bucklers about 30 cm in diameter to tower shields over 1 m in height - varies by type"]},"recognition":{"applicability":"required","items":["Held boards with a central boss or grip; transparent riot shields","A flat or curved board, round, oval, rectangular or kite-shaped, with a grip or straps on the back."]},"capabilities":{"applicability":"required","items":["describe historical types","describe materials and construction","describe modern police shields and standards","point to museum collections"]},"hazards":{"applicability":"required","items":["Penetration beyond rated protection","Injury when used as a weapon"]},"interfaces":{"applicability":"required","items":["NIJ Standard 0108.01 ballistic resistant protective materials","UK Home Office publication 47/11, Portable Ballistic Protection for UK Police (2011)"]},"context":{"applicability":"required","items":["Protection against attacks.","buckler","round shield (such as the aspis)","scutum","kite shield","heater shield","pavise","riot shield","ballistic shield","ceremonial shields"]}},"sources":[{"title":"Q131559","url":"https://www.wikidata.org/wiki/Q131559","note":"identity of the registry item, labels and sitelinks"},{"title":"Shield","url":"https://en.wikipedia.org/wiki/Shield","note":"general description of the subject"},{"title":"Shields: Terminology and History","url":"https://web.prm.ox.ac.uk/Kent/shieweap/shgenex3.html","note":"Shield types, grips, straps, bosses and pavises."},{"title":"Shield, museum number 1862,1113.1","url":"https://www.britishmuseum.org/collection/object/H_1862-1113-1","note":"Prehistoric shields, bronze construction, handles and measured dimensions."},{"title":"Chimalxopilli","url":"https://www.getty.edu/vow/AATFullDisplay?find=nanny&logic=OR&note=&subjectid=300445549","note":"Chimalli designs in Postclassic central Mexico."},{"title":"Ballistic Resistant Protective Materials - NIJ Standard 0108.01","url":"https://nij.ojp.gov/library/publications/ballistic-resistant-protective-materials-nij-standard-010801","note":"Standard title, issuing body, 1985 publication and ballistic performance scope."},{"title":"Police protective equipment: Standards","url":"https://ped-cast.homeoffice.gov.uk/index.php/standards/standards_display","note":"Portable Ballistic Protection for UK Police, publication 47/11."},{"title":"Heraldic Dictionary","url":"https://rarebooks.library.nd.edu/digital/heraldry/index.html","note":"Heraldic shields and blazon as symbolic representations."}],"openQuestions":["The registry merges 'human shield' (a legal and figurative term) and many named historical types; they need review."],"resources":{"spec":"/models/things/publications/thing-q131559/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q131559/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-10-22T11:44:46Z","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 2026-10-22T12:05:09+00:00: completeness 1.00; sense: Wikidata description; 6 live sources; review by codex: pass"},"score":1.0}}