Gustav Winckler
type: MusicGroup
description: Gustav Frands Wilzeck Winckler (13 October 1925 – 20 January 1979) was a popular Danish singer, composer and music publisher. He grew up in the Nørrebro district of Copenhagen and started his career a
popularity: 2
followers: 1
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x80550a06c3dc67544e7140e4823cc7f57e239a7669a6fe8e22804a9dc43f0e37
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4a2af00f-a6d3-4e1f-8d83-52a935a78fcf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4a2af00f-a6d3-4e1f-8d83-52a935a78fcf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4a2af00f-a6d3-4e1f-8d83-52a935a78fcf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x80550a06c3dc67544e7140e4823cc7f57e239a7669a6fe8e22804a9dc43f0e37","name":"Gustav Winckler","registered_at":"2026-06-16T15:27:16Z","symbol":"NIM1094739","token_address":"0x289fd422761c14df23fb150385728d6236dc6d17","type":"artist","uuid":"4a2af00f-a6d3-4e1f-8d83-52a935a78fcf"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80550a06c3dc67544e7140e4823cc7f57e239a7669a6fe8e22804a9dc43f0e37. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4a2af00f-a6d3-4e1f-8d83-52a935a78fcf.json and https://artists.proofprofile.net/proofs/artist/4a2af00f-a6d3-4e1f-8d83-52a935a78fcf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x80550a06c3dc67544e7140e4823cc7f57e239a7669a6fe8e22804a9dc43f0e37","name":"Gustav Winckler","registered_at":"2026-06-16T15:27:16Z","symbol":"NIM1094739","token_address":"0x289fd422761c14df23fb150385728d6236dc6d17","type":"artist","uuid":"4a2af00f-a6d3-4e1f-8d83-52a935a78fcf"}