Tuna Universitaria
type: MusicGroup
popularity: 7
followers: 1380
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x777a924b051d98e1564d5d5cea0bb90291bfb08b6c28089ba68d4cedce2377da
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954139
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954139
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7fad242c-928d-4633-9b5f-8c39e9ffb019.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7fad242c-928d-4633-9b5f-8c39e9ffb019.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7fad242c-928d-4633-9b5f-8c39e9ffb019
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T21:12:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x777a924b051d98e1564d5d5cea0bb90291bfb08b6c28089ba68d4cedce2377da","name":"Tuna Universitaria","registered_at":"2026-06-17T10:09:32Z","symbol":"NIM1362459","token_address":"0xd380e6e99d449f8de2e70f2faea0558b7be6e5f6","type":"artist","uuid":"7fad242c-928d-4633-9b5f-8c39e9ffb019"}
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 0x777a924b051d98e1564d5d5cea0bb90291bfb08b6c28089ba68d4cedce2377da. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7fad242c-928d-4633-9b5f-8c39e9ffb019.json and https://artists.proofprofile.net/proofs/artist/7fad242c-928d-4633-9b5f-8c39e9ffb019.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-18T03:01:36Z
  text: {"copyright_id":"0x777a924b051d98e1564d5d5cea0bb90291bfb08b6c28089ba68d4cedce2377da","name":"Tuna Universitaria","registered_at":"2026-06-17T10:09:32Z","symbol":"NIM1362459","token_address":"0xd380e6e99d449f8de2e70f2faea0558b7be6e5f6","type":"artist","uuid":"7fad242c-928d-4633-9b5f-8c39e9ffb019"}
album: Viva La Tuna Vol.2
  type: MusicAlbum
  date published: 2009-08-28
album: Lo Mejor De La Tuna
  type: MusicAlbum
  date published: 2009-08-28
album: Viva La Tuna Vol.1
  type: MusicAlbum
  date published: 2009-08-28
album: La Tuna Vol. 2
  type: MusicAlbum
  date published: 2011-02-20
album: La Tuna Vol. 1
  type: MusicAlbum
  date published: 2011-02-20
album: Viva la Tuna
  type: MusicAlbum
  date published: 2012-10-08
album: La Tuna de Siempre
  type: MusicAlbum
  date published: 2014-03-21
album: Typical Spanish
  type: MusicAlbum
  date published: 2021-03-10
album: Typical Spanish
  type: MusicAlbum
  date published: 2021-05-23