Urrun Ona II

Recording by Fermin Muguruza.

Recording identifiers

ISRC
ES90A0900070
CopyrightID (CopyrightChains transaction hash)
0xce829ca179aba087468960279fcc5c488a798fe24eb33cad6d16ae8409bef07d
Copyright registration time
2026-07-30T01:21:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:32:48Z
Bitcoin block
960185
Canonical record hash
sha256:d34291b11460b74834939551ab3b0f9967ba07f8e3926e1e9f2b64ab1cd5c294

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.