Los Calvos
type: MusicGroup
genre: cha cha cha
genre: latin folk
genre: latin jazz
popularity: 16
followers: 760
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x07f8192d7db577b7bae8cce8d94978c0cd8313974d7ec0115258137e3bc24141
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2274e67c-0772-4bfc-9ea9-9f99b8957917.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2274e67c-0772-4bfc-9ea9-9f99b8957917.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2274e67c-0772-4bfc-9ea9-9f99b8957917
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x07f8192d7db577b7bae8cce8d94978c0cd8313974d7ec0115258137e3bc24141","name":"Los Calvos","registered_at":"2026-06-14T08:06:24Z","symbol":"NIM0390523","token_address":"0x85c2e02a896d7dfa0a187d0e8be436d0a098c54d","type":"artist","uuid":"2274e67c-0772-4bfc-9ea9-9f99b8957917"}
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 0x07f8192d7db577b7bae8cce8d94978c0cd8313974d7ec0115258137e3bc24141. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2274e67c-0772-4bfc-9ea9-9f99b8957917.json and https://artists.proofprofile.net/proofs/artist/2274e67c-0772-4bfc-9ea9-9f99b8957917.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:41:45Z
  text: {"copyright_id":"0x07f8192d7db577b7bae8cce8d94978c0cd8313974d7ec0115258137e3bc24141","name":"Los Calvos","registered_at":"2026-06-14T08:06:24Z","symbol":"NIM0390523","token_address":"0x85c2e02a896d7dfa0a187d0e8be436d0a098c54d","type":"artist","uuid":"2274e67c-0772-4bfc-9ea9-9f99b8957917"}
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  type: MusicAlbum
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  type: MusicAlbum
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