Pirri
type: MusicGroup
description: José Martínez Sánchez (born 11 March 1945), nicknamed Pirri, is a Spanish former footballer. A central midfielder in the early part of his career, he finished up as a sweeper. He spent the vast major
popularity: 2
followers: 37
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0c8a9a9777d98cf47b7bbe4c90bec1f6cc7b4d850bca1990790a710d1d2ecd59
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954638
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954638
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d45b2905-63dc-418f-af85-c89b52bcafae.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d45b2905-63dc-418f-af85-c89b52bcafae.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d45b2905-63dc-418f-af85-c89b52bcafae
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T03:45:44Z
additional property: OTSCanonicalRecord
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 0x0c8a9a9777d98cf47b7bbe4c90bec1f6cc7b4d850bca1990790a710d1d2ecd59. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d45b2905-63dc-418f-af85-c89b52bcafae.json and https://artists.proofprofile.net/proofs/artist/d45b2905-63dc-418f-af85-c89b52bcafae.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T03:45:44Z
album: Come Along With Me (Remix)
  type: MusicAlbum
  date published: 2021-02-07
album: Come Along With Me (Remix)
  type: MusicAlbum
  date published: 2021-02-07
album: Dark Sunset
  type: MusicAlbum
  date published: 2021-03-23
album: Hold my hand in the morning until the night
  type: MusicAlbum
  date published: 2021-04-19
album: Just relax and listen
  type: MusicAlbum
  date published: 2022-01-17
album: Don't feel alone, I'm with you
  type: MusicAlbum
  date published: 2022-02-06