Das kann doch nicht alles gewesen sein

Recording by Wolf Biermann.

Recording identifiers

ISRC
DENE27700025
CopyrightID (CopyrightChains transaction hash)
0xd15943fed41e5ea0c4661e6ee3674777bc7cd13b2fda34d8e8d8f2c2b7b87ab8
Copyright registration time
2026-07-29T15:56:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:26fb4afa9735d85b6f3628575e4ee9eddb5e68939c6d7546b23c4852cc418dd3

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.