Sklave, wer wird Dich befreien

Recording by Hanns Eisler.

Recording identifiers

ISRC
DEA141700113
CopyrightID (CopyrightChains transaction hash)
0xf22aea1a985574319671a374ccbe12a1e3649f0d6875c7fb5aed59820ddfeaaa
Copyright registration time
2026-07-07T17:20:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bed482ca4e30b219ec6c68f792a1794f8dc975b90649d3c57f742e0bd7bc79d6

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.