La Reina del Cafe

Recording by Rudy Calzado.

Recording identifiers

ISRC
DEE791709740
CopyrightID (CopyrightChains transaction hash)
0xc5d97fa9d0677c225f12360b67c88dcec9b95c8c46368522109d077520075f1a
Copyright registration time
2026-07-31T10:47:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:b664c485ed8099ef954ddbc33a0c8dbe0267b282a6efc2b7311cab4ea3a38957

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.