Lied der Nanna

Recording by Hanns Eisler.

Recording identifiers

ISRC
DEA141700103
CopyrightID (CopyrightChains transaction hash)
0xfcf2fb692d2b0f98bac2868d29a914a3495b3bccb3d07debb300de80dda351ca
Copyright registration time
2026-07-07T17:51:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fddb791021f86d1a20ef05fa7b9f021c285373783bda1eb9ac109ce63e5c2f43

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.