Los Pregoneros Del Puerto
type: MusicGroup
genre: son cubano
genre: traditional music
genre: trova
popularity: 6
followers: 161
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6ae85302b2d4352f6521419a825cfb435e622c3eaefeb0ca4f27867ffc3bbf49
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/83182994-01dc-4027-a954-3ba4c95f3c6c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/83182994-01dc-4027-a954-3ba4c95f3c6c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/83182994-01dc-4027-a954-3ba4c95f3c6c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6ae85302b2d4352f6521419a825cfb435e622c3eaefeb0ca4f27867ffc3bbf49","name":"Los Pregoneros Del Puerto","registered_at":"2026-06-17T11:18:48Z","symbol":"NIM1378973","token_address":"0x7e3467f8db7f934904b511a0bd9eb0b67cc01e53","type":"artist","uuid":"83182994-01dc-4027-a954-3ba4c95f3c6c"}
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 0x6ae85302b2d4352f6521419a825cfb435e622c3eaefeb0ca4f27867ffc3bbf49. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/83182994-01dc-4027-a954-3ba4c95f3c6c.json and https://artists.proofprofile.net/proofs/artist/83182994-01dc-4027-a954-3ba4c95f3c6c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x6ae85302b2d4352f6521419a825cfb435e622c3eaefeb0ca4f27867ffc3bbf49","name":"Los Pregoneros Del Puerto","registered_at":"2026-06-17T11:18:48Z","symbol":"NIM1378973","token_address":"0x7e3467f8db7f934904b511a0bd9eb0b67cc01e53","type":"artist","uuid":"83182994-01dc-4027-a954-3ba4c95f3c6c"}
album: Atardecer En Mandinga
  type: MusicAlbum
  date published: 1969
album: Music Of Veracruz
  type: MusicAlbum
  date published: 1990-01-01
album: Cuando Muere Un Sonero
  type: MusicAlbum
  date published: 1999-11-23
album: Los Veracruzanísimos Pregoneros Del Recuerdo
  type: MusicAlbum
  date published: 2001-03-19
album: 50 años, la tradición continúa
  type: MusicAlbum
  date published: 2008-05-08
album: Veracruzanos y Soneros
  type: MusicAlbum
  date published: 2010-12-03
album: Orgullo Jarocho
  type: MusicAlbum
  date published: 2015-09-09