El Olvidau

Recording by Mercedes Sosa.

Recording identifiers

ISRC
ARF101500178
CopyrightID (CopyrightChains transaction hash)
0x8535b68ce9901aa5de5686784a79afe5d5e70babc6cf7e39d90bc52e901ec2bb
Copyright registration time
2026-06-09T07:55:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:6cb6699364b0e2d6c3e3fc3a61ec64499770988259528e9d381afe775ee9477f

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.