{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.gas","code":"thing-q11432","url":"https://ver.cy/models/thing/q11432/","name":"gas","alternateNames":["tear gas","war gas","pepper spray","packaging gas","industrial gas","landfill gas","gas mixture","poisonous gas","flammable gas","fuel gas","paraffin wax fume","gaseous signaling molecule"],"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.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"One of the fundamental states of matter, in which particles move freely and fill any container, with no fixed shape or volume; also everyday gases such as natural gas, industrial gases and packaging gases.","purpose":"Let an agent handle gases by state-of-matter physics, common gases, safety (leaks, asphyxiation, pressure) and regulation, without providing harmful uses.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["No fixed shape or volume","Compressible","Described by gas laws","Some are flammable, toxic or asphyxiant"],"structure":{"bundles":[{"id":"emergency","name":"Emergency","description":"Leaks.","layers":[{"id":"leak","name":"Leak","description":"Smell of gas.","findings":[{"id":"leak-finding","name":"Leak","description":"Gas leak.","questions":[{"text":"Is there a smell of gas or a leak alarm?","kind":"boundary"},{"text":"What do official sources advise, such as leaving and calling the gas emergency line?","kind":"action"}]}]},{"id":"co","name":"Carbon monoxide","description":"Poisoning.","findings":[{"id":"co-finding","name":"Carbon monoxide","description":"Carbon monoxide.","questions":[{"text":"Are there symptoms of carbon monoxide poisoning or an alarm?","kind":"boundary"},{"text":"Which emergency number should be called?","kind":"action"}]}]}]},{"id":"physics","name":"Physics","description":"Behaviour.","layers":[{"id":"laws","name":"Laws","description":"Gas laws.","findings":[{"id":"laws-finding","name":"Laws","description":"Gas laws.","questions":[{"text":"How do pressure, volume and temperature relate for this gas?","kind":"measurement"},{"text":"Is the ideal gas law adequate?","kind":"boundary"}]}]},{"id":"properties","name":"Properties","description":"Density.","findings":[{"id":"properties-finding","name":"Properties","description":"Properties.","questions":[{"text":"Is the gas heavier or lighter than air?","kind":"definition"},{"text":"Why does that matter for safety?","kind":"definition"}]}]}]},{"id":"handling","name":"Handling","description":"Cylinders.","layers":[{"id":"storage","name":"Storage","description":"Cylinders.","findings":[{"id":"storage-finding","name":"Storage","description":"Cylinder storage.","questions":[{"text":"How should gas cylinders be stored and secured?","kind":"provenance"},{"text":"What does the colour code mean?","kind":"definition"}]}]},{"id":"confined","name":"Confined spaces","description":"Asphyxiation.","findings":[{"id":"confined-finding","name":"Confined spaces","description":"Confined spaces.","questions":[{"text":"Could inert gases create an oxygen-deficient atmosphere here?","kind":"boundary"},{"text":"Which confined space rules apply?","kind":"provenance"}]}]}]},{"id":"uses","name":"Uses","description":"Applications.","layers":[{"id":"industry","name":"Industry","description":"Industrial gases.","findings":[{"id":"industry-finding","name":"Industry","description":"Industrial uses.","questions":[{"text":"Which gases are used in this process and why?","kind":"definition"},{"text":"Which rules apply?","kind":"provenance"}]}]},{"id":"limits","name":"Limits","description":"No harmful uses.","findings":[{"id":"limits-finding","name":"Limits","description":"Harmful use limits.","questions":[{"text":"Does the request seek to use gases to harm people?","kind":"boundary"},{"text":"How should the agent decline?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Explain gas behaviour and properties, citing physical and chemical sources.","Monitor gas detectors and report readings to the people responsible."],"mustNot":["Release, mix or store gases in ways that create toxic, flammable or asphyxiating atmospheres.","Disable gas detectors, alarms or shut-off valves.","Advise entering a space where gas may have displaced oxygen.","Help use gases to harm people."],"requiresHuman":["Responding to a gas leak, including whether to evacuate.","Work on gas supply installations, which only qualified people may do."]},"ethics":{"considerations":["Gas leaks cause explosions and poisonings, often in homes.","Greenhouse gases affect the climate for everyone."],"affectedParties":["Occupants and neighbours","Workers in confined spaces","Emergency responders"]},"owners":{"steward":"Nobody owns the state of matter; suppliers and holders answer for gases they store and sell.","roles":[],"masterSystems":[]},"relations":[{"target":"Q102205","type":"parent","note":"registry parent class"},{"target":"fluid and state of matter","type":"related","note":"category"},{"target":"ideal gas law","type":"related","note":"relation"},{"target":"gas cylinder","type":"related","note":"container"},{"target":"gasoline","type":"related","note":"regional sense"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.gas","Wikidata: Q11432 (https://www.wikidata.org/wiki/Q11432)"]},"properties":{"applicability":"required","items":["Density:  kg/m3 - Density is measured as mass per unit volume with gas composition, temperature and pressure specified.","Pressure:  Pa - Pressure is measured with a pressure sensor and reported relative to vacuum or a stated reference pressure.","Dynamic viscosity:  Pa s - Dynamic viscosity is determined from resistance to flow or shear at a stated temperature and pressure.","Isothermal compressibility:  1/Pa - Isothermal compressibility is determined from the fractional volume change with pressure while temperature is held constant."]},"recognition":{"applicability":"required","items":["Fills its container","Cylinder colour codes and labels","Gas as petrol (gasoline) is a regional different sense","Usually invisible; sometimes coloured or detected by added odorants."]},"capabilities":{"applicability":"required","items":["explain gas behaviour and gas laws","identify common gases and hazards","respond safely to gas leaks","store gas cylinders safely"]},"hazards":{"applicability":"required","items":["Gas leaks and explosions","Asphyxiation in confined spaces","Carbon monoxide poisoning"]},"interfaces":{"applicability":"required","items":["EN 1089-3 cylinder colour coding","Gas safety regulations","CLP hazard classification"]},"context":{"applicability":"required","items":["Physics and chemistry, fuel, industry, medicine and food packaging.","natural gas and fuel gases","industrial gases","medical gases","food packaging gases","greenhouse gases"]}},"sources":[{"title":"Wikidata item Q11432: gas","url":"https://www.wikidata.org/wiki/Q11432","note":"identity and sense of the item"},{"title":"Wikipedia: Gas","url":"https://en.wikipedia.org/wiki/Gas","note":"general description of the item"}],"openQuestions":["Should common gases be separate entries?","How should safety guidance be localised?","How should the gasoline sense be split off?"],"resources":{"spec":"/models/things/publications/thing-q11432/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q11432/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T10:25:10Z","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}}