{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.letter","code":"thing-q133492","url":"https://ver.cy/models/thing/q133492/","name":"letter","alternateNames":["Hatt-i humayun","note verbale","invitation card","letter of protection","circular letter","love letter","voice letter","letter of support","Message to the Compatriots in Taiwan","threatening letter","excuse note","Shahmukhi letter"],"kind":"thing","status":"published","version":"0.2.0-wave.1","language":"en","classifiers":{"family":"Thing Registry","category":"Information and virtual systems","entryKind":"thing","plane":"INF","domain":["INF.MED"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A written message addressed to a person or organisation and sent by post or other means, in forms such as personal letters, business and formal letters, circular letters, love letters, diplomatic notes verbales and historical decrees.","purpose":"Let an agent handle letters by type, conventions, delivery, legal effect and archives, and help people recognise scam letters.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Addressed written message","Conventions by type","Can have legal effect","Valuable historical sources"],"structure":{"bundles":[{"id":"writing","name":"Writing","description":"Format.","layers":[{"id":"format","name":"Format","description":"Layout.","findings":[{"id":"format-finding","name":"Format","description":"Letter format.","questions":[{"text":"What format suits this type of letter?","kind":"action"},{"text":"How should it be addressed and signed?","kind":"action"}]}]},{"id":"tone","name":"Tone","description":"Register.","findings":[{"id":"tone-finding","name":"Tone","description":"Tone.","questions":[{"text":"What tone and register are appropriate?","kind":"definition"},{"text":"Are forms of address correct?","kind":"provenance"}]}]}]},{"id":"sending","name":"Sending","description":"Delivery.","layers":[{"id":"postage","name":"Postage","description":"Services.","findings":[{"id":"postage-finding","name":"Postage","description":"Postage and tracking.","questions":[{"text":"Should the letter be sent recorded or tracked?","kind":"action"},{"text":"What proof of delivery is needed?","kind":"boundary"}]}]},{"id":"legal","name":"Legal","description":"Formal notices.","findings":[{"id":"legal-finding","name":"Legal","description":"Legal notices.","questions":[{"text":"Does a formal notice have to be sent in a particular way to be valid?","kind":"provenance"},{"text":"Should a lawyer be consulted?","kind":"action"}]}]}]},{"id":"safety","name":"Safety","description":"Scams.","layers":[{"id":"scam","name":"Scam","description":"Warning signs.","findings":[{"id":"scam-finding","name":"Scam","description":"Scam letters.","questions":[{"text":"Does the letter show signs of a scam, such as urgent payment demands?","kind":"boundary"},{"text":"How can the sender be verified independently?","kind":"action"}]}]},{"id":"report","name":"Report","description":"Fraud reporting.","findings":[{"id":"report-finding","name":"Report","description":"Reporting fraud.","questions":[{"text":"Where can a scam letter be reported?","kind":"action"},{"text":"Should it be kept as evidence?","kind":"action"}]}]}]},{"id":"history","name":"History","description":"Archives.","layers":[{"id":"archives","name":"Archives","description":"Finding letters.","findings":[{"id":"archives-finding","name":"Archives","description":"Archives.","questions":[{"text":"Where are historical letters of this person or body held?","kind":"provenance"},{"text":"Are they digitised?","kind":"provenance"}]}]},{"id":"privacy","name":"Privacy","description":"Personal letters.","findings":[{"id":"privacy-finding","name":"Privacy","description":"Privacy.","questions":[{"text":"Do privacy rules restrict access to recent personal letters?","kind":"provenance"},{"text":"Who can grant access?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Draft letters for a user to review and send themselves.","Sort and summarise letters the recipient has shared."],"mustNot":["Open, read or withhold someone else's letters without authorization from the recipient or another person legally entitled to authorize that action.","Send a letter in a person's name without their approval.","Forge signatures, letterheads or official letters.","Publish private letters without the consent of the writer or their estate."],"requiresHuman":["Sending a letter on someone's behalf.","Publishing or archiving private correspondence."]},"ethics":{"considerations":["The secrecy of correspondence is a long-protected right.","Forged letters are used in fraud and to damage reputations."],"affectedParties":["Writers and recipients","People mentioned in letters","Heirs of letter writers"]},"owners":{"steward":"The recipient owns the paper; copyright in the text stays with the writer.","roles":[],"masterSystems":[]},"relations":[{"target":"Q2106340","type":"parent","note":"registry parent class"},{"target":"Q2267856","type":"parent","note":"registry parent class"},{"target":"Q47461344","type":"parent","note":"registry parent class"},{"target":"Q49848","type":"parent","note":"registry parent class"},{"target":"mail item and written work","type":"related","note":"category"},{"target":"mail","type":"related","note":"system"},{"target":"archive","type":"related","note":"heritage"},{"target":"letter (alphabet)","type":"related","note":"another sense"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.letter","Wikidata: Q133492 (https://www.wikidata.org/wiki/Q133492)"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Address, date, salutation, signature","Letterheads and seals","Letters of the alphabet are a different sense","Paper documents in envelopes, or digital equivalents."]},"capabilities":{"applicability":"required","items":["write letters in the right format","send letters with appropriate postage or tracking","recognise scam or phishing letters","find historical letters in archives"]},"hazards":{"applicability":"required","items":["Scam and phishing letters","Missing legal deadlines in formal letters","Privacy breaches"]},"interfaces":{"applicability":"required","items":["Postal regulations","Data protection law for personal correspondence","Rules on service of legal notices"]},"context":{"applicability":"required","items":["Communication, records and formal notices.","personal letters","formal and business letters","official and diplomatic letters","circular letters","historical letters and decrees"]}},"sources":[{"title":"Wikidata item Q133492: letter","url":"https://www.wikidata.org/wiki/Q133492","note":"identity and sense of the item"},{"title":"Wikipedia: Letter (message)","url":"https://en.wikipedia.org/wiki/Letter_%28message%29","note":"general description of the item"}],"openQuestions":["Should letter types be separate entries?","How should archives be linked?","How should the alphabet sense be split off?"],"resources":{"spec":"/models/things/publications/thing-q133492/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q133492/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T11:20:24Z","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":"not-applicable","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 2026-10-07T10:10:26+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane INF: no invented physical properties."},"score":1.0}}