El son se fue de Cuba

Recording by Billo Frometa.

Recording identifiers

ISRC
CA5KR1967754
CopyrightID (CopyrightChains transaction hash)
0x979e02fe85a0c4f525cb1d4f2a7d2957f1f1f3c133990a9b29afe1ef70dc40b5
Copyright registration time
2026-07-31T13:40:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:50:38Z
Bitcoin block
960410
Canonical record hash
sha256:73163fbb04071baa1adf94a4d694eb9f3093cf7ac0da995b8aade6f74add12ca

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.