El Club de los Olvidados

Recording by Claudio Bastardo.

Recording identifiers

ISRC
QZHZ62045516
CopyrightID (CopyrightChains transaction hash)
0x450f46c01f7669d5e462e19dc43fbe37dd776aa3a964fcd05543cb3869f1fbc2
Copyright registration time
2026-07-07T06:32:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fffce6d8aa2a9f6227627ef2f82b8376f0ad80bee45501ccf8f97efafd1ac1d0

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.