Lulu Suite: IV. Variationen

Recording by Alban Berg.

Recording identifiers

ISRC
FR50X1629305
CopyrightID (CopyrightChains transaction hash)
0x157f83f4b1391554cc199f151992599f976a5b04c095fa312ddbb979550211d9
Copyright registration time
2026-07-07T17:55:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:54a9fb14ae801be469da4f310b768914e9b1186613da3429dadb76a232eb5a52

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.