Sklave, wer wird dich befreien: Sklave, wer wird dich befreien

Recording by Hanns Eisler.

Recording identifiers

ISRC
DES380010646
CopyrightID (CopyrightChains transaction hash)
0xd02ef3a362492823a855c821dbcb9430b2401a88e8d7943a6d46fa27de17b26e
Copyright registration time
2026-06-21T05:26:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:cb49d922efd140673195417fbed734b845545e82c1191f0defeab25fc91075df

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.