Pianonegro
type: MusicGroup
genre: funk melody
popularity: 23
followers: 949
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa7674877b50d893e8d5d917b6c4449878f4fc20e97c16537243ed1d4fc59c169
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ba06938-de5a-4aaf-972c-d9a0fb2eaaf8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ba06938-de5a-4aaf-972c-d9a0fb2eaaf8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3ba06938-de5a-4aaf-972c-d9a0fb2eaaf8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0xa7674877b50d893e8d5d917b6c4449878f4fc20e97c16537243ed1d4fc59c169. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3ba06938-de5a-4aaf-972c-d9a0fb2eaaf8.json and https://artists.proofprofile.net/proofs/artist/3ba06938-de5a-4aaf-972c-d9a0fb2eaaf8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: La Lancha, Sonrisita y El Pechugón con (2025 Remasterizado)
  type: MusicAlbum
  date published: 1970-12-18
album: La Danza de la Tanga
  type: MusicAlbum
  date published: 1974-03-01
album: Pianonegro
  type: MusicAlbum
  date published: 1990-01-01
album: In Africa
  type: MusicAlbum
  date published: 1996
album: La Lancha, Sonrisita y el Pechugón
  type: MusicAlbum
  date published: 2016-10-07
album: Sonrisita
  type: MusicAlbum
  date published: 2017-02-17
album: Santa Rita
  type: MusicAlbum
  date published: 2022-06-15