Pedrito Calvo JR & Su Orquesta
type: MusicGroup
genre: salsa
genre: son cubano
genre: timba
album: Cubaneo
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  date published: 2014
  track: Ready Pa' Mi
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    by artist: Superjoe El Mayoral
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      date published: 2014
    genre: salsa
    genre: son-cubano
    genre: timba
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      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
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      date published: 2026-07-08T03:22:41Z
    audio: Ready Pa' Mi
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  track: Salsa Salsita
    type: MusicRecording
    duration: PT5M25S
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    by artist: Pedrito Calvo JR & Su Orquesta
    in album: Cubaneo
      type: MusicAlbum
      date published: 2014
    genre: salsa
    genre: son-cubano
    genre: timba
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      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
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      date published: 2026-07-08T03:20:19Z
    audio: Salsa Salsita
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