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Recording by Grupo Compay Segundo.

Recording identifiers

ISRC
FR9W12224764
CopyrightID (CopyrightChains transaction hash)
0xdc1e718b96aa6954ad490dc3f51c176ffcf4e53686fc6d5c38f2012630ba2971
Copyright registration time
2026-06-20T23:05:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:1c2f5b20d24a67b1a63eabb7b4fcb215379483e5bea417f27208549a5b332ca0

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.