Urrun

Recording by Fermin Muguruza.

Recording identifiers

ISRC
ES90A1300196
CopyrightID (CopyrightChains transaction hash)
0x58958437fb544ba2227629881334d9d3e4985ef590e2abebe832fc475bed13f8
Copyright registration time
2026-07-31T02:52:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T03:15:04Z
Bitcoin block
960340
Canonical record hash
sha256:b35a2744837bcd4beb6ccb1d5c322c2a67e075b1b52053fa619484a6e14e29ef

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.