Veinte años - Directo con Omara Portuondo

Recording by Compay Segundo.

Recording identifiers

ISRC
ES5010400336
CopyrightID (CopyrightChains transaction hash)
0xf8e2dd76775207947fc3f3d374275934b25ee5d4ced40fa7b2841c6134de7b5e
Copyright registration time
2026-06-09T09:55:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:01fceaf9d0da1787ca19913c6a713542e57ab782a8ed86d63cc198d10a72ed6f

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.