Yolanda Nigüas

Recording by Café Tacvba.

Recording identifiers

ISRC
QZH5R2000069
CopyrightID (CopyrightChains transaction hash)
0x55d8d54d8ff27897b7e23cf127c69d7ef2b768baf0ee437a6ed68a11211e4ee4
Copyright registration time
2026-06-25T18:52:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:38de53ebf7eef16c43c4b435c7afc5f6e6acd0659ae80a9cc49780b66ccb0e28

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.