El Ruiseñor del Catuche

Recording by Gualberto Ibarreto.

Recording identifiers

ISRC
QZNJV2073312
CopyrightID (CopyrightChains transaction hash)
0x5ccde41325210aa39bdd631a766bb96a6eebbd7495f9a6d12e4141f691f1d4d5
Copyright registration time
2026-06-11T18:56:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b57a332170ae9d331390f5c1c0973d5b75f0196bcce5861affb08dff5117e819

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.