Wiegenmusik

Recording by Helmut Lachenmann.

Recording identifiers

ISRC
GBAYC2001837
CopyrightID (CopyrightChains transaction hash)
0xa4de75a07c13b86b2e7898b53dca83fae3e10c499d7ffcf00a34bcfb582acbc8
Copyright registration time
2026-06-24T10:58:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:595ab92b7f36565358a329333db4e1b5e156a016ead7fd210337b278ba984e83

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.