Guillo Espel
type: MusicGroup
genre: cuarteto
genre: folklore argentino
popularity: 2
followers: 203
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b5f5ef85a909ec01ccb6702b861b46f551ef25c6583accb376c7a597e235155
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/748e31ee-9a03-47d4-92e1-9218177879e6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/748e31ee-9a03-47d4-92e1-9218177879e6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/748e31ee-9a03-47d4-92e1-9218177879e6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3b5f5ef85a909ec01ccb6702b861b46f551ef25c6583accb376c7a597e235155","name":"Guillo Espel","registered_at":"2026-06-17T06:18:29Z","symbol":"NIM1307389","token_address":"0x73546ed951cd588106fe7ce3dcf1a618f510b21b","type":"artist","uuid":"748e31ee-9a03-47d4-92e1-9218177879e6"}
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 0x3b5f5ef85a909ec01ccb6702b861b46f551ef25c6583accb376c7a597e235155. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/748e31ee-9a03-47d4-92e1-9218177879e6.json and https://artists.proofprofile.net/proofs/artist/748e31ee-9a03-47d4-92e1-9218177879e6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x3b5f5ef85a909ec01ccb6702b861b46f551ef25c6583accb376c7a597e235155","name":"Guillo Espel","registered_at":"2026-06-17T06:18:29Z","symbol":"NIM1307389","token_address":"0x73546ed951cd588106fe7ce3dcf1a618f510b21b","type":"artist","uuid":"748e31ee-9a03-47d4-92e1-9218177879e6"}
album: De Raíz Folklórica
  type: MusicAlbum
  date published: 2000-08-25
album: Guillo Espel Cuarteto
  type: MusicAlbum
  date published: 2004-08-28
album: Salir al Ruedo
  type: MusicAlbum
  date published: 2008-09-11
album: Hojas de Hierba
  type: MusicAlbum
  date published: 2011-08-01
album: A Otro Lugar
  type: MusicAlbum
  date published: 2011-08-01
album: Teatro Colón (En Vivo)
  type: MusicAlbum
  date published: 2015-12-30
album: Souvenir
  type: MusicAlbum
  date published: 2022-03-19
album: Ámbar Púrpura - Música Sinfónica, de Cámara y para Solistas Vol III
  type: MusicAlbum
  date published: 2024-10-11