Chico Rose (NL)
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      date published: 2026-07-16T22:37:47Z
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track: Otra Vez
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  by artist: Chico Rose (NL)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
  audio: Otra Vez
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track: Coco Loco - Chico Rose Remix
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  by artist: Cheryl Lispier
  by artist: Chico Rose
  by artist: Chico Rose (NL)
  in album: Roots EP (The Remixes)
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    date published: 2024-03-22
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  subject of: OpenTimestamps Proof of Existence
  audio: Coco Loco - Chico Rose Remix

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OTSVerificationAPI
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OTSVerifyInstructions
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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

OpenTimestamps Proof of Existence
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date published: 2026-07-30T14:36:16Z

Coco Loco - Chico Rose Remix
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