{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.platinum","code":"thing-q880","url":"https://ver.cy/models/thing/q880/","name":"platinum","alternateNames":["platinum-166","platinum-167","platinum-168","platinum-169","platinum-170","platinum-171","platinum-172","platinum-173","platinum-174","platinum-175","platinum-176","platinum-177"],"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.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The chemical element with atomic number seventy-eight, a dense, malleable, highly unreactive precious metal of the platinum group, with several stable isotopes and many radioactive isotopes, obtained mainly from South African and Russian deposits, used in catalytic converters, chemical process catalysts, jewellery, electrical contacts, laboratory equipment, anticancer drugs such as cisplatin, and as an investment metal; platinum is traded as a commodity and its supply and price are closely followed.","purpose":"Let an agent explain platinum as an element and its properties and isotopes, describe uses in catalysis, jewellery, medicine and industry, present supply and market information with attribution, and support learning.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Catalytic activity","Corrosion resistance","Precious metal status","Concentrated supply"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What platinum is.","layers":[{"id":"element","name":"Element","description":"The element.","findings":[{"id":"element-finding","name":"Element","description":"Element.","questions":[{"text":"What are the properties, occurrence and chemistry of platinum?","kind":"definition"},{"text":"Which entry fits platinum group metals?","kind":"action"}]}]},{"id":"isotopes","name":"Isotopes","description":"Isotopes and compounds.","findings":[{"id":"isotopes-finding","name":"Isotopes","description":"Isotopes.","questions":[{"text":"What isotopes and important compounds of platinum exist?","kind":"definition"},{"text":"Which entry fits a specific compound?","kind":"action"}]}]}]},{"id":"use","name":"Use","description":"Uses.","layers":[{"id":"catalysis","name":"Catalysis","description":"Catalysis.","findings":[{"id":"catalysis-finding","name":"Catalysis","description":"Catalysis.","questions":[{"text":"How is platinum used in catalytic converters, fuel cells and chemical processes?","kind":"provenance"},{"text":"Which entry fits catalysis?","kind":"action"}]}]},{"id":"other","name":"Other","description":"Jewellery, medicine and electronics.","findings":[{"id":"other-finding","name":"Other","description":"Other.","questions":[{"text":"How is platinum used in jewellery, anticancer drugs, electrical contacts and laboratory equipment?","kind":"provenance"},{"text":"Is the user asking about their own medical treatment, which needs a clinician?","kind":"boundary"}]}]}]},{"id":"market","name":"Market","description":"Supply and market.","layers":[{"id":"supply","name":"Supply","description":"Supply.","findings":[{"id":"supply-finding","name":"Supply","description":"Supply.","questions":[{"text":"Where is platinum mined and refined, and how is supply organised?","kind":"provenance"},{"text":"Which entry fits mining?","kind":"action"}]}]},{"id":"market","name":"Market","description":"Market.","findings":[{"id":"market-finding","name":"Market","description":"Market.","questions":[{"text":"How is platinum traded, and what factors affect its price, according to market analysts?","kind":"provenance"},{"text":"Is personal investment advice being sought, which is out of scope?","kind":"boundary"}]}]}]},{"id":"learn","name":"Learn","description":"History and teaching.","layers":[{"id":"history","name":"History","description":"History.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How was platinum discovered and used, from pre-Columbian metalwork to modern industry?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"teach","name":"Teach","description":"Teaching.","findings":[{"id":"teach-finding","name":"Teach","description":"Teaching.","questions":[{"text":"How can platinum illustrate catalysis and materials chemistry?","kind":"action"},{"text":"Which misconceptions arise?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Identify platinum and state its properties and uses from reliable sources.","Track the origin and chain of custody of platinum in supply chains it is authorized to manage.","Report hallmarks and fineness from assay records."],"mustNot":["Present platinum-plated or alloyed goods as solid platinum.","Help steal catalytic converters or trade platinum of unknown or illegal origin.","Give investment advice on platinum.","Release fine platinum compounds where workers may breathe them, since some cause sensitisation."],"requiresHuman":["Buying or selling platinum on someone's behalf.","Certifying a sample's purity."]},"ethics":{"considerations":["Platinum mining has been linked to unsafe work and harm to local communities.","Theft of catalytic converters harms ordinary vehicle owners."],"affectedParties":["Miners and refinery workers","Mining communities","Vehicle owners"]},"owners":{"steward":"The person or company that holds it; assay offices certify fineness.","roles":[],"masterSystems":[]},"relations":[{"target":"Q105789","type":"parent","note":"registry parent class"},{"target":"Q223995","type":"parent","note":"registry parent class"},{"target":"Q271449","type":"parent","note":"registry parent class"},{"target":"platinum group","type":"related","note":"category"},{"target":"precious metal","type":"related","note":"category"},{"target":"iridium","type":"related","note":"another platinum group metal entry"},{"target":"tantalum","type":"related","note":"another metal entry"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.platinum","Wikidata: Q880 (https://www.wikidata.org/wiki/Q880)"]},"properties":{"applicability":"required","items":["Mass density: Approximately 21.45 g/cm3 - This value describes pure bulk metal near room temperature.","Melting temperature: Approximately 1768 deg C - This value describes pure platinum near standard atmospheric pressure.","Boiling temperature: Approximately 3825 deg C - This value describes pure platinum near standard atmospheric pressure.","Molar mass: Approximately 195.08 g/mol - This value describes platinum with its usual natural isotopic composition."]},"recognition":{"applicability":"required","items":["Atomic number seventy-eight","Unreactive precious metal","Palladium and iridium are related platinum group metals; white gold is an alloy","A silvery-white, dense, malleable metal."]},"capabilities":{"applicability":"required","items":["explain the element","describe uses","present supply and market information","support learning"]},"hazards":{"applicability":"required","items":["Personal investment advice, which is out of scope","Supply concentration and price volatility","Allergies and toxicity of some platinum compounds"]},"interfaces":{"applicability":"required","items":["Hallmarking standards for platinum jewellery","Commodity market regulation","Emissions regulations driving catalyst demand"]},"context":{"applicability":"required","items":["Element seventy-eight, a precious platinum group metal.","platinum metal and alloys","platinum isotopes","platinum compounds and drugs","platinum catalysts","platinum in jewellery and investment"]}},"sources":[{"title":"Wikidata item Q880: platinum","url":"https://www.wikidata.org/wiki/Q880","note":"identity and sense of the item"},{"title":"Wikipedia: Platinum","url":"https://en.wikipedia.org/wiki/Platinum","note":"general description of the item"}],"openQuestions":["Should catalytic converters be a separate entry?","How should market data be linked?","How should medical uses be linked?"],"resources":{"spec":"/models/things/publications/thing-q880/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q880/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T04:01:57Z","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 2026-10-07T10:10:33+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}