Paco Ibáñez
type: MusicGroup
genre: folklore argentino
genre: singer-songwriter
description: Francisco "Paco" Ibáñez (born 20 November 1934 in Valencia) is a Spanish singer and musician. He never composed his own lyrics, but used famous poems, like those of Federico García Lorca, Luis Cernuda
popularity: 6
followers: 1682
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xef8c5565e260addb80b885cbb13b912aecaee0597251a9f43807e60761946d8d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954043
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954043
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3fb6808d-4f44-46fa-8156-b446a64b8bd4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3fb6808d-4f44-46fa-8156-b446a64b8bd4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3fb6808d-4f44-46fa-8156-b446a64b8bd4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T04:15:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xef8c5565e260addb80b885cbb13b912aecaee0597251a9f43807e60761946d8d","name":"Paco Ibáñez","registered_at":"2026-06-16T11:44:46Z","symbol":"NIM1041646","token_address":"0xcc7a8bbd4da6337b55b69a9f4d7d04fbe3316746","type":"artist","uuid":"3fb6808d-4f44-46fa-8156-b446a64b8bd4"}
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 0xef8c5565e260addb80b885cbb13b912aecaee0597251a9f43807e60761946d8d. 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/3fb6808d-4f44-46fa-8156-b446a64b8bd4.json and https://artists.proofprofile.net/proofs/artist/3fb6808d-4f44-46fa-8156-b446a64b8bd4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xef8c5565e260addb80b885cbb13b912aecaee0597251a9f43807e60761946d8d","name":"Paco Ibáñez","registered_at":"2026-06-16T11:44:46Z","symbol":"NIM1041646","token_address":"0xcc7a8bbd4da6337b55b69a9f4d7d04fbe3316746","type":"artist","uuid":"3fb6808d-4f44-46fa-8156-b446a64b8bd4"}
album: Atahualpa Yupanqui
  type: MusicAlbum
  date published: 1974
album: Atahualpa Yupanqui
  type: MusicAlbum
  date published: 1974