Blues Library
type: MusicGroup
popularity: 3
followers: 38
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xf8484d98565b3c65ca950223d865639ccb490ecda34457b9732e79ef097198f2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e9917df9-0442-4e62-8b74-90da302f6176.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e9917df9-0442-4e62-8b74-90da302f6176.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e9917df9-0442-4e62-8b74-90da302f6176
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf8484d98565b3c65ca950223d865639ccb490ecda34457b9732e79ef097198f2","name":"Blues Library","registered_at":"2026-06-21T09:57:22Z","symbol":"NIM1893870","token_address":"0xbb54c4bd5f0b3e6271b4b9e1b46dcb0ab9b6e90a","type":"artist","uuid":"e9917df9-0442-4e62-8b74-90da302f6176"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8484d98565b3c65ca950223d865639ccb490ecda34457b9732e79ef097198f2. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e9917df9-0442-4e62-8b74-90da302f6176.json and https://artists.proofprofile.net/proofs/artist/e9917df9-0442-4e62-8b74-90da302f6176.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
  text: {"copyright_id":"0xf8484d98565b3c65ca950223d865639ccb490ecda34457b9732e79ef097198f2","name":"Blues Library","registered_at":"2026-06-21T09:57:22Z","symbol":"NIM1893870","token_address":"0xbb54c4bd5f0b3e6271b4b9e1b46dcb0ab9b6e90a","type":"artist","uuid":"e9917df9-0442-4e62-8b74-90da302f6176"}
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album: Wandering Soul: The Blues of Life
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album: Gingerbread Groove & Bluesy Cheer
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album: Winter Wail: Soul of Xmas Blues
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album: Silent Blues: Christmas Season
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