Francisco Guayabal - Remasterizado

Recording by Compay Segundo.

Recording identifiers

ISRC
ES5021702573
CopyrightID (CopyrightChains transaction hash)
0x96ec5b3009fca9a64599c250025f56e29414b8739c8bd2522dde0d500ad543f9
Copyright registration time
2026-06-18T05:00:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:40dff5abdedbe11fd4f728c1de41252ae6f7c9e85aacb8073759f23c209c6fd2

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.