La Múcura

Recording by Omara Portuondo.

Recording identifiers

ISRC
CUA011904709
CopyrightID (CopyrightChains transaction hash)
0xb0250470a5ce200a77b10203d66e7b38c0eca087ce12e8c3e78b2ce3d07d14ee
Copyright registration time
2026-06-25T22:53:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e936bf154d20734f641f80a1f507e04ec9ab636a2b9838fadc82632ca3ac8612

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.