Blues Bar Cafe
type: MusicGroup
genre: blues
genre: country blues
popularity: 8
followers: 2984
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a9622ab2c75b10ef6479fff8e441131f775a8cc4c44de41baa6863219cd6304
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953924
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953924
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1d8953ab-5b3d-4a7a-8680-6f67abc4ca88.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1d8953ab-5b3d-4a7a-8680-6f67abc4ca88.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1d8953ab-5b3d-4a7a-8680-6f67abc4ca88
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T09:52:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9a9622ab2c75b10ef6479fff8e441131f775a8cc4c44de41baa6863219cd6304","name":"Blues Bar Cafe","registered_at":"2026-06-15T23:43:14Z","symbol":"NIM0869368","token_address":"0xef1fd7db828ddc5a40dad79ff3a64d83457d6619","type":"artist","uuid":"1d8953ab-5b3d-4a7a-8680-6f67abc4ca88"}
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 0x9a9622ab2c75b10ef6479fff8e441131f775a8cc4c44de41baa6863219cd6304. Chain 2 (Bitcoin): anchored in block 953924 (2026-06-16T09:52:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1d8953ab-5b3d-4a7a-8680-6f67abc4ca88.json and https://artists.proofprofile.net/proofs/artist/1d8953ab-5b3d-4a7a-8680-6f67abc4ca88.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T09:52:28Z
  text: {"copyright_id":"0x9a9622ab2c75b10ef6479fff8e441131f775a8cc4c44de41baa6863219cd6304","name":"Blues Bar Cafe","registered_at":"2026-06-15T23:43:14Z","symbol":"NIM0869368","token_address":"0xef1fd7db828ddc5a40dad79ff3a64d83457d6619","type":"artist","uuid":"1d8953ab-5b3d-4a7a-8680-6f67abc4ca88"}
album: Classic Electric Rocking Blues
  type: MusicAlbum
  date published: 2016-01-01
album: Classic Electric Rocking Blues
  type: MusicAlbum
  date published: 2016-01-01
album: Laidback and Mellow Classic Blues
  type: MusicAlbum
  date published: 2016-08-23