Das Vielleicht-Lied

Recording by Hanns Eisler.

Recording identifiers

ISRC
DEA141700106
CopyrightID (CopyrightChains transaction hash)
0xcb7ce185f94ba6b9c3339e454d33bbcd34010d90b81704b1c5f724d13d27561b
Copyright registration time
2026-08-01T00:33:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:b09efeb440db3bfe863f1b6c12476c9f176dcb1096d7ef993434ad80768e98e3

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.