{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.firework","code":"thing-q127933","url":"https://ver.cy/models/thing/q127933/","name":"firework","alternateNames":["smoke bomb","wheelbarrow rocket","Gerb","Cobra","cherry bomb","tezutsu-hanabi","Roman candle","ball bomb","Salute","Spanish cracker","illegal firework","crackling ball"],"kind":"thing","status":"published","version":"0.2.0-wave.3","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 low-explosive pyrotechnic device that produces light, colour, sound and smoke for entertainment, in forms such as rockets, shells, fountains, gerbs, wheels, sparklers, firecrackers such as cherry bombs and smoke devices, and traditional forms such as the Japanese hand-held tezutsu hanabi; fireworks are used in displays and celebrations worldwide, are made under strict manufacturing licences and are regulated for sale, storage, use and safety because of injury and fire risks.","purpose":"Let an agent explain fireworks and their kinds in general terms, relay safety rules, regulation and cultural history, describe how displays are organised by licensed professionals, and decline to provide manufacturing or modification instructions.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Low explosive composition","Colour from metal salts","Consumer and display categories","Strict regulation"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What fireworks are.","layers":[{"id":"kinds","name":"Kinds","description":"Kinds and effects.","findings":[{"id":"kinds-finding","name":"Kinds","description":"Kinds.","questions":[{"text":"What kinds of firework exist, and what effects do they produce, in general terms?","kind":"definition"},{"text":"Is the user seeking manufacturing or modification detail, which the model declines?","kind":"boundary"}]}]},{"id":"science","name":"Science","description":"Colour and sound.","findings":[{"id":"science-finding","name":"Science","description":"Science.","questions":[{"text":"How do metal salts produce colours, and how do sound effects arise, at the level of general chemistry?","kind":"definition"},{"text":"Which entry fits flame colour?","kind":"action"}]}]}]},{"id":"safety","name":"Safety","description":"Safety and law.","layers":[{"id":"safety","name":"Safety","description":"Safe use.","findings":[{"id":"safety-finding","name":"Safety","description":"Safety.","questions":[{"text":"What safety guidance do authorities give for consumer fireworks, and what injuries are reported?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"law","name":"Law","description":"Regulation.","findings":[{"id":"law-finding","name":"Law","description":"Law.","questions":[{"text":"How are fireworks categorised, licensed and restricted in different countries?","kind":"provenance"},{"text":"Is the question jurisdiction-specific, which needs local rules?","kind":"boundary"}]}]}]},{"id":"displays","name":"Displays","description":"Displays and profession.","layers":[{"id":"displays","name":"Displays","description":"Displays.","findings":[{"id":"displays-finding","name":"Displays","description":"Displays.","questions":[{"text":"How are professional displays planned, licensed and fired?","kind":"provenance"},{"text":"Which entry fits pyrotechnician?","kind":"action"}]}]},{"id":"impact","name":"Impact","description":"Environment and animals.","findings":[{"id":"impact-finding","name":"Impact","description":"Impact.","questions":[{"text":"What do studies say about pollution, noise and animal welfare, and what alternatives such as drone shows exist, with positions attributed?","kind":"provenance"},{"text":"Is the presentation neutral?","kind":"boundary"}]}]}]},{"id":"context","name":"Context","description":"History and culture.","layers":[{"id":"history","name":"History","description":"History.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did fireworks develop from China through Europe to modern displays?","kind":"provenance"},{"text":"Which sources are cited?","kind":"provenance"}]}]},{"id":"culture","name":"Culture","description":"Festivals and traditions.","findings":[{"id":"culture-finding","name":"Culture","description":"Culture.","questions":[{"text":"How are fireworks used in festivals worldwide, including traditions such as tezutsu hanabi?","kind":"provenance"},{"text":"Which entry fits the specific festival?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Share official guidance on lawful fireworks use, dates and permitted areas.","Report public displays and their times from organisers."],"mustNot":["Assist in making, modifying or combining fireworks.","Help sell or obtain fireworks to people under the legal age or without licences.","Encourage setting off fireworks near people, animals, buildings or dry vegetation.","Advise on getting around local bans or curfews."],"requiresHuman":["Launching or approving a fireworks display."]},"ethics":{"considerations":["Fireworks injure many people each year, often children and bystanders.","Noise distresses animals, veterans and people with sensory sensitivities."],"affectedParties":["Bystanders and children","Pets, livestock and wildlife","Firefighters and neighbours"]},"owners":{"steward":"The licensed seller or display operator; whoever holds them answers for their use.","roles":[],"masterSystems":[]},"relations":[{"target":"Q10805684","type":"parent","note":"registry parent class"},{"target":"Q1146001","type":"parent","note":"registry parent class"},{"target":"Q2424752","type":"parent","note":"registry parent class"},{"target":"Q7047745","type":"parent","note":"registry parent class"},{"target":"pyrotechnic device","type":"related","note":"in registry terms"},{"target":"light source","type":"related","note":"in registry terms"},{"target":"product","type":"related","note":"in registry terms"},{"target":"fireworks display","type":"related","note":"by licensed operators"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.firework","Wikidata: Q127933 (https://www.wikidata.org/wiki/Q127933)","EU categories: F1 to F4 consumer to professional","UN numbers: 0333 to 0337 transport classification"]},"properties":{"applicability":"required","items":["Overall dimensions:  mm - Obtained from manufacturer documentation or external measurement of an intact article by authorized personnel.","Gross article mass:  g - Determined for the complete article through manufacturer documentation or authorized weighing without disassembly."]},"recognition":{"applicability":"required","items":["Pyrotechnic device for entertainment","Rockets, shells, fountains, gerbs, wheels, firecrackers, smoke devices","Flares and signal devices are pyrotechnics with other purposes; explosives for demolition are not fireworks","Devices in paper or cardboard casings producing bursts of colour and sparks when lit."]},"capabilities":{"applicability":"required","items":["explain kinds and effects in general terms","relay safety and regulation","relay cultural history","route to licensed professionals"]},"hazards":{"applicability":"required","items":["Burns, eye and hand injuries","Fires and wildfires","Illegal and homemade devices","Noise and animal distress","Agents giving manufacturing or modification instructions"]},"interfaces":{"applicability":"required","items":["EU Pyrotechnic Articles Directive and CE marking","US CPSC rules and ATF licensing","National laws on sale, age limits, storage and use","Transport of dangerous goods rules"]},"context":{"applicability":"required","items":["Entertainment through light, colour and sound.","aerial shells and rockets","ground effects such as fountains, gerbs and wheels","firecrackers and cherry bombs","sparklers and novelty items","smoke devices","traditional forms such as tezutsu hanabi","consumer versus professional display categories"]}},"sources":[{"title":"Wikidata item Q127933: firework","url":"https://www.wikidata.org/wiki/Q127933","note":"identity and sense of the item"},{"title":"Wikipedia: Fireworks","url":"https://en.wikipedia.org/wiki/Fireworks","note":"general description of the item"}],"openQuestions":["Should consumer fireworks and display fireworks be separate entries?","How should national regulations be linked?","The registry entry has merged aliases naming specific devices and a brand-like term; should they be split off?"],"resources":{"spec":"/models/things/publications/thing-q127933/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q127933/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-13T00:57:20Z","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}}