{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.machine-gun","code":"thing-q12800","url":"https://ver.cy/models/thing/q12800/","name":"machine gun","alternateNames":["4M","Reutech Rogue","aircraft machine gun","HK 11A1","HK 13e","HK 23e","HK 73","Rheinmetall RMG 7.62","rotary cannon","Nordenfelt gun","WLKM 12.7 mm","Gast gun"],"kind":"thing","status":"published","version":"0.2.0-wave.2","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 fully automatic firearm designed for sustained fire of rifle cartridges, typically fed from belts or large magazines and mounted on bipods, tripods, vehicles or aircraft, classed by role as light, medium, heavy or general purpose; machine guns transformed warfare from the late nineteenth century, are controlled under strict national and international law, and are described here at the level of history, classification and regulation without operational, technical or acquisition detail.","purpose":"Let an agent explain what machine guns are and their historical significance, describe classification and legal control, support museum, historical and policy questions, and decline requests for technical, operational or acquisition detail.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Automatic fire","Sustained-fire design","Crew or mount use","Strict control"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What machine guns are.","layers":[{"id":"classes","name":"Classes","description":"Classification.","findings":[{"id":"classes-finding","name":"Classes","description":"Classes.","questions":[{"text":"How are machine guns classified by role and how do they differ from other automatic firearms, at a general level?","kind":"definition"},{"text":"Is the request seeking technical, operational or acquisition detail, which must be declined?","kind":"boundary"}]}]},{"id":"history","name":"History","description":"History.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did machine guns develop and change warfare from the late nineteenth century, according to historians?","kind":"provenance"},{"text":"Which entry fits a specific historical model or conflict?","kind":"action"}]}]}]},{"id":"law","name":"Law","description":"Legal control.","layers":[{"id":"national","name":"National","description":"National law.","findings":[{"id":"national-finding","name":"National","description":"National.","questions":[{"text":"How do national laws restrict civilian possession of automatic weapons, in general terms?","kind":"provenance"},{"text":"Is legal advice needed from a professional?","kind":"boundary"}]}]},{"id":"international","name":"International","description":"Arms control.","findings":[{"id":"international-finding","name":"International","description":"International.","questions":[{"text":"How are machine guns covered by arms export controls and international treaties?","kind":"provenance"},{"text":"Which entry fits arms control?","kind":"action"}]}]}]},{"id":"heritage","name":"Heritage","description":"Museums and culture.","layers":[{"id":"museums","name":"Museums","description":"Museum collections.","findings":[{"id":"museums-finding","name":"Museums","description":"Museums.","questions":[{"text":"How are historical machine guns preserved and exhibited, and what deactivation standards apply?","kind":"provenance"},{"text":"Which entry fits military museums?","kind":"action"}]}]},{"id":"culture","name":"Culture","description":"Representation.","findings":[{"id":"culture-finding","name":"Culture","description":"Culture.","questions":[{"text":"How are machine guns represented in film, literature and memory, and what debates exist about this, with positions attributed?","kind":"provenance"},{"text":"Is the presentation neutral and non-glorifying?","kind":"boundary"}]}]}]},{"id":"policy","name":"Policy","description":"Policy debates.","layers":[{"id":"debates","name":"Debates","description":"Policy debates.","findings":[{"id":"debates-finding","name":"Debates","description":"Debates.","questions":[{"text":"What are the attributed positions in debates over automatic weapons and arms trade?","kind":"provenance"},{"text":"Which entry fits gun policy?","kind":"action"}]}]},{"id":"harm","name":"Harm","description":"Harm and humanitarian law.","findings":[{"id":"harm-finding","name":"Harm","description":"Harm.","questions":[{"text":"How do humanitarian organisations describe the effects of automatic weapons in conflict?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Describe the history and legal status of machine guns at a general level, with sources.","Explain the laws and treaties that control them, naming the issuing body."],"mustNot":["Provide technical, operational or acquisition information about machine guns.","Assist anyone in obtaining, making, converting or using one.","Glorify these weapons or the harm they have caused.","Help evade firearms laws or export controls."],"requiresHuman":["Any matter concerning lawful possession, licensing or surrender of such a weapon."]},"ethics":{"considerations":["Machine guns caused mass killing in wars, and their victims deserve remembrance.","Strict controls protect the public from mass harm."],"affectedParties":["Civilians in conflict","Victims and survivors","The public"]},"owners":{"steward":"The state, which licenses and controls them; holders must be authorized by law.","roles":[],"masterSystems":["National firearms registers"]},"relations":[{"target":"Q9180311","type":"parent","note":"registry parent class"},{"target":"Q9180315","type":"parent","note":"registry parent class"},{"target":"firearm","type":"related","note":"category"},{"target":"weapon","type":"related","note":"category"},{"target":"rifle cartridge","type":"related","note":"ammunition type"},{"target":"infantry","type":"related","note":"historical military use"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.machine-gun","Wikidata: Q12800 (https://www.wikidata.org/wiki/Q12800)"]},"properties":{"applicability":"required","items":["Unloaded mass:  kg - Recorded from authoritative collection or manufacturer documentation with the inclusion of mounts and accessories specified.","Overall dimensions:  mm - Recorded from collection documentation for a stated display configuration to support identification and conservation planning."]},"recognition":{"applicability":"required","items":["Sustained automatic fire","Belt or large-magazine fed, mounted","Submachine guns fire pistol cartridges; assault rifles are individual weapons","Heavy automatic firearms with belts or large magazines and mounts."]},"capabilities":{"applicability":"required","items":["explain history and classification","describe legal control","support museum and policy questions","decline technical and acquisition detail"]},"hazards":{"applicability":"required","items":["Providing technical, operational or acquisition detail, which must be declined","Glorifying weapons","Confusing classes of firearm"]},"interfaces":{"applicability":"required","items":["National firearms law restricting automatic weapons","Arms export controls and international arms trade treaties","Museum deactivation standards"]},"context":{"applicability":"required","items":["Automatic sustained-fire firearms.","light machine guns","medium and general purpose machine guns","heavy machine guns","aircraft and vehicle machine guns","historical models in museums"]}},"sources":[{"title":"Wikidata item Q12800: machine gun","url":"https://www.wikidata.org/wiki/Q12800","note":"identity and sense of the item"},{"title":"Wikipedia: Machine gun","url":"https://en.wikipedia.org/wiki/Machine_gun","note":"general description of the item"}],"openQuestions":["Should historical models be separate entries?","How should arms control law be linked?","How should safety boundaries be documented?"],"resources":{"spec":"/models/things/publications/thing-q12800/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q12800/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T02:16:38Z","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 2026-10-07T10:10:25+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}