Bidasoa Fundamentalista

Recording by Fermin Muguruza.

Recording identifiers

ISRC
ES5591101549
CopyrightID (CopyrightChains transaction hash)
0xccdc1d3ba757429ebb1bcf2f3dd6d1a7dd669da2c8a62c96d0984d01f8f6cc2a
Copyright registration time
2026-06-10T18:31:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:af6552ca688a99d44cc2dbc268437cac27b9c11d5bf7d554c1ed99e5a678a296

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.