{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.silver","code":"thing-q1090","url":"https://ver.cy/models/thing/q1090/","name":"silver","alternateNames":["native silver","silver-105","silver-93","silver-94","silver-94m1","silver-94m2","silver-95","silver-95m1","silver-95m2","silver-95m3","silver-96","silver-96m1"],"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":"A chemical element with symbol Ag and atomic number 47, a soft, white, lustrous precious and noble metal with the highest electrical and thermal conductivity of any metal, occurring as native silver and in ores, used in jewellery, coinage, electronics, photography, mirrors, medicine and as an investment metal; it has many isotopes, of which silver-107 and silver-109 are stable.","purpose":"Let an agent explain silver as an element and material, support identification and purity questions, describe uses and markets with sourced data, and address health and environmental aspects.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Highest electrical conductivity","Precious and noble metal","Tarnishes with sulfur","Antimicrobial properties"],"structure":{"bundles":[{"id":"element","name":"Element","description":"Properties.","layers":[{"id":"properties","name":"Properties","description":"Physical and chemical.","findings":[{"id":"properties-finding","name":"Properties","description":"Properties.","questions":[{"text":"What are the key properties of silver, and why does it conduct so well?","kind":"definition"},{"text":"Why does it tarnish, and how is tarnish removed safely?","kind":"provenance"}]}]},{"id":"isotopes","name":"Isotopes","description":"Isotopes.","findings":[{"id":"isotopes-finding","name":"Isotopes","description":"Isotopes.","questions":[{"text":"Which silver isotopes are stable, and which radioactive ones are used or studied?","kind":"provenance"},{"text":"What is silver-110m used for?","kind":"provenance"}]}]}]},{"id":"items","name":"Items","description":"Identifying silver.","layers":[{"id":"marks","name":"Marks","description":"Hallmarks.","findings":[{"id":"marks-finding","name":"Marks","description":"Hallmarks.","questions":[{"text":"What do the marks on this item say about its silver content and origin?","kind":"provenance"},{"text":"Is it sterling, fine or plated?","kind":"boundary"}]}]},{"id":"value","name":"Value","description":"Valuing silver.","findings":[{"id":"value-finding","name":"Value","description":"Value.","questions":[{"text":"What is the metal value of this item at the quoted spot price?","kind":"measurement"},{"text":"Is the user asking for investment advice?","kind":"boundary"}]}]}]},{"id":"uses","name":"Uses","description":"Applications.","layers":[{"id":"industry","name":"Industry","description":"Industrial uses.","findings":[{"id":"industry-finding","name":"Industry","description":"Industry.","questions":[{"text":"How is silver used in electronics, solar panels and photography?","kind":"provenance"},{"text":"Which uses drive demand, according to industry reports?","kind":"provenance"}]}]},{"id":"medicine","name":"Medicine","description":"Medical uses.","findings":[{"id":"medicine-finding","name":"Medicine","description":"Medicine.","questions":[{"text":"How is silver used in wound care and antimicrobial products, according to evidence?","kind":"provenance"},{"text":"What are the risks of consuming colloidal silver, according to health authorities?","kind":"provenance"}]}]}]},{"id":"world","name":"World","description":"Mining and history.","layers":[{"id":"mining","name":"Mining","description":"Production.","findings":[{"id":"mining-finding","name":"Mining","description":"Production.","questions":[{"text":"Which countries produce the most silver, according to survey data?","kind":"provenance"},{"text":"What are the environmental impacts?","kind":"provenance"}]}]},{"id":"history","name":"History","description":"Silver in history.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did silver shape coinage, trade and empires, according to historians?","kind":"provenance"},{"text":"Which mines were historically important?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Report silver's properties, uses and prices from published sources with dates.","Test and grade silver items by recognised hallmarks or assay results."],"mustNot":["Present plated or alloyed items as solid or sterling silver.","Advise use of silver products as cures for disease.","Help trade silver from illegal mining or to launder money.","Handle silver compounds or processing wastes without the protections they require."],"requiresHuman":["Buying or selling silver on a person's behalf.","Valuing heirlooms or antiques for sale or inheritance."]},"ethics":{"considerations":["Silver mining can poison water and harm workers and communities.","Silver objects often carry family and religious meaning beyond their metal value."],"affectedParties":["Miners and refinery workers","Buyers of silver goods","Communities near mines"]},"owners":{"steward":"The person who holds it; assay offices verify hallmarks.","roles":[],"masterSystems":["Hallmarking and assay office registers"]},"relations":[{"target":"Q271449","type":"parent","note":"registry parent class"},{"target":"Q585302","type":"parent","note":"registry parent class"},{"target":"precious metal","type":"related","note":"category"},{"target":"noble metal","type":"related","note":"category"},{"target":"fineness","type":"related","note":"measure"},{"target":"Roman currency","type":"related","note":"historical coinage"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.silver","Wikidata: Q1090 (https://www.wikidata.org/wiki/Q1090)","symbol: Ag chemical symbol","CAS number: 7440-22-4 chemical registry"]},"properties":{"applicability":"required","items":["atomic number: 47","melting point: 961.8 C","density: 10.49 g/cm3 - at room temperature"]},"recognition":{"applicability":"required","items":["Bright white lustre","Tarnish film","Silver-plated items have a base metal core","Bright white metal that tarnishes to black silver sulfide."]},"capabilities":{"applicability":"required","items":["explain properties and isotopes","identify silver items and purity","describe uses in industry and medicine","report prices and markets with sources"]},"hazards":{"applicability":"required","items":["Counterfeit or plated items sold as solid","Argyria from ingesting colloidal silver","Environmental toxicity of silver ions"]},"interfaces":{"applicability":"required","items":["Hallmarking laws","LBMA silver good delivery standard","Regulations on silver in medical and consumer products"]},"context":{"applicability":"required","items":["Jewellery, industry, investment and medicine.","native silver and ores","sterling and fine silver","silver alloys and plating","silver compounds","silver isotopes"]}},"sources":[{"title":"Wikidata item Q1090: silver","url":"https://www.wikidata.org/wiki/Q1090","note":"identity and sense of the item"},{"title":"Wikipedia: Silver","url":"https://en.wikipedia.org/wiki/Silver","note":"general description of the item"}],"openQuestions":["Should silver compounds be separate entries?","How should price sources be linked?","How should health guidance be linked?"],"resources":{"spec":"/models/things/publications/thing-q1090/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q1090/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T15:59:27Z","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 2026-10-06T19:51:53+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}