Vepate Frauenchor Basel
type: MusicGroup
genre: polka
popularity: 2
followers: 21
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x60ac863c3e84d690acea3a435f3df2eb1768476321d50c83ef20cec58b917405
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953860
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953860
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/02bf4c37-6d1b-4cc1-a1e4-5c8837071c17.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/02bf4c37-6d1b-4cc1-a1e4-5c8837071c17.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/02bf4c37-6d1b-4cc1-a1e4-5c8837071c17
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T23:55:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x60ac863c3e84d690acea3a435f3df2eb1768476321d50c83ef20cec58b917405","name":"Vepate Frauenchor Basel","registered_at":"2026-06-15T14:41:59Z","symbol":"NIM0740219","token_address":"0xc9cacf469a1a5c686b93af30e88f38a51401057f","type":"artist","uuid":"02bf4c37-6d1b-4cc1-a1e4-5c8837071c17"}
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 0x60ac863c3e84d690acea3a435f3df2eb1768476321d50c83ef20cec58b917405. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/02bf4c37-6d1b-4cc1-a1e4-5c8837071c17.json and https://artists.proofprofile.net/proofs/artist/02bf4c37-6d1b-4cc1-a1e4-5c8837071c17.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x60ac863c3e84d690acea3a435f3df2eb1768476321d50c83ef20cec58b917405","name":"Vepate Frauenchor Basel","registered_at":"2026-06-15T14:41:59Z","symbol":"NIM0740219","token_address":"0xc9cacf469a1a5c686b93af30e88f38a51401057f","type":"artist","uuid":"02bf4c37-6d1b-4cc1-a1e4-5c8837071c17"}
album: Volkslieder aus der Schweiz
  type: MusicAlbum
  date published: 2016-03-24
album: Weihnachtslieder aus Europa
  type: MusicAlbum
  date published: 2019-12-28