Berlin - Ulrike Meinhof

Recording by Fermin Muguruza.

Recording identifiers

ISRC
ES66S1700057
CopyrightID (CopyrightChains transaction hash)
0xc9a08b8e06044de6cb010d2a57b3e674be773713853879e858974de99a0ea16d
Copyright registration time
2026-06-18T17:31:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:be80c3cb77bbd3601356d46f20538fb9c96cd2019b33fbf30b7955604a7a010c

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.