El R-4

Recording by Jesús Ojeda y Sus Parientes.

Recording identifiers

ISRC
QM7282435125
CopyrightID (CopyrightChains transaction hash)
0xa7ef1476ae815d4b3ff44ba2c0dc4af3afc0a96efc33d694834e07cd04d05c5f
Copyright registration time
2026-06-20T13:00:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b219880931bd75a93a2dbc91aa0979c88877c816699f012047344dcb03da7670

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.