El Quijote De Don Chuy

Recording by Calibre 50.

Recording identifiers

ISRC
QM2EJ1500307
CopyrightID (CopyrightChains transaction hash)
0x34870a34d51fb8bc74139bd98b34aeabe54b8ca6c0c5927765a4dad9389eb0ee
Copyright registration time
2026-06-04T09:39:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:c4331d980163605c597a3f8e6e29e8643a75e3b92cbededda9047d7ecaa3ca6f

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.