La Esencia del Guaguancó

Recording by Oscar D'León.

Recording identifiers

ISRC
DET911200726
CopyrightID (CopyrightChains transaction hash)
0x5f8821929da551bf2dc1eb0acf4dc1d09a8ed0ed577fc1271bba30c5be89d2e3
Copyright registration time
2026-06-23T00:45:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d7b272fb09928dc10a46535e9b0dd36a1737c73d3c350b4ff64cb86b0d2923fe

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.