Zubizuria

Recording by Fermin Muguruza.

Recording identifiers

ISRC
ES90A0900093
CopyrightID (CopyrightChains transaction hash)
0xaff9186ee997918fc9453ca31c7d12d32ebb84487babf909f7099997314b572e
Copyright registration time
2026-07-29T22:08:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T22:12:10Z
Bitcoin block
960157
Canonical record hash
sha256:b27ea2a23d5e0729d5c14e15c11e56690de207733f42bb2cb29b48b56cfc3471

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.