Xavier Baró
type: MusicGroup
popularity: 2
followers: 516
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8b1b75fda9b9d0b9bd46378d8b7f580e4430056f42d66feb85c9ea32a9de4e19
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b3395a2d-9184-4458-9120-077baed8c398.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b3395a2d-9184-4458-9120-077baed8c398.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b3395a2d-9184-4458-9120-077baed8c398
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8b1b75fda9b9d0b9bd46378d8b7f580e4430056f42d66feb85c9ea32a9de4e19","name":"Xavier Baró","registered_at":"2026-06-20T13:43:18Z","symbol":"NIM1622817","token_address":"0x30de210f1ffed52922321cb349c25f5d5cbcf1c7","type":"artist","uuid":"b3395a2d-9184-4458-9120-077baed8c398"}
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 0x8b1b75fda9b9d0b9bd46378d8b7f580e4430056f42d66feb85c9ea32a9de4e19. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b3395a2d-9184-4458-9120-077baed8c398.json and https://artists.proofprofile.net/proofs/artist/b3395a2d-9184-4458-9120-077baed8c398.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x8b1b75fda9b9d0b9bd46378d8b7f580e4430056f42d66feb85c9ea32a9de4e19","name":"Xavier Baró","registered_at":"2026-06-20T13:43:18Z","symbol":"NIM1622817","token_address":"0x30de210f1ffed52922321cb349c25f5d5cbcf1c7","type":"artist","uuid":"b3395a2d-9184-4458-9120-077baed8c398"}
album: La Cançó De L'udol
  type: MusicAlbum
  date published: 1996
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  type: MusicAlbum
  date published: 2016-02-29
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  date published: 2016-03-11
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  date published: 2016-09-30