Francesc Burrull
type: MusicGroup
genre: vocal jazz
description: Francesc Burrull (October 18, 1934 – August 28, 2021) was a Spanish jazz musician and composer. In 2017, he was awarded the Creu de Sant Jordi. Early life and education Burrull studied at the Superio
popularity: 2
followers: 237
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x17358c8a90db61ce6ead2e4149f0d5590214a002e8c7916a018896ee6c1405b7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/95a8fa16-89c1-465c-ab27-4d0fed5e66b9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/95a8fa16-89c1-465c-ab27-4d0fed5e66b9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/95a8fa16-89c1-465c-ab27-4d0fed5e66b9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x17358c8a90db61ce6ead2e4149f0d5590214a002e8c7916a018896ee6c1405b7","name":"Francesc Burrull","registered_at":"2026-06-17T17:54:04Z","symbol":"NIM1473234","token_address":"0xa51c6bc426466fafde071285121137f9a701e568","type":"artist","uuid":"95a8fa16-89c1-465c-ab27-4d0fed5e66b9"}
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 0x17358c8a90db61ce6ead2e4149f0d5590214a002e8c7916a018896ee6c1405b7. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/95a8fa16-89c1-465c-ab27-4d0fed5e66b9.json and https://artists.proofprofile.net/proofs/artist/95a8fa16-89c1-465c-ab27-4d0fed5e66b9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0x17358c8a90db61ce6ead2e4149f0d5590214a002e8c7916a018896ee6c1405b7","name":"Francesc Burrull","registered_at":"2026-06-17T17:54:04Z","symbol":"NIM1473234","token_address":"0xa51c6bc426466fafde071285121137f9a701e568","type":"artist","uuid":"95a8fa16-89c1-465c-ab27-4d0fed5e66b9"}
album: Blanc i Negre
  type: MusicAlbum
  date published: 1997-01-01
album: On es desborda el sol
  type: MusicAlbum
  date published: 2022-10-17