Urrun Dub

Recording by Fermin Muguruza.

Recording identifiers

ISRC
ES90A0900069
CopyrightID (CopyrightChains transaction hash)
0x6dd54e18d846563ab75eb06ce19c7f8a27f6cd047084c1c8f5be25f3eb33312a
Copyright registration time
2026-07-29T11:43:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T12:41:21Z
Bitcoin block
960106
Canonical record hash
sha256:fbc043c75e1e2ceef1ab94b9e1eae5b75356951c1611e20432f4f5be7ffa542d

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.