Solidaritätslied

Recording by Hanns Eisler.

Recording identifiers

ISRC
DEA141700111
CopyrightID (CopyrightChains transaction hash)
0xef31a9c9e5c728655f489b3a61344e67ba69edf715b892f37ca2da6982a8a43d
Copyright registration time
2026-07-06T03:13:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:51292a814d0cdb75eb7039b5129445ebfecbbcc5c9a69a1594205763876dadfb

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.