Goldberg Variations, BWV 988: Var. 29

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEF059231130
CopyrightID (CopyrightChains transaction hash)
0x46d0227de23b239189c8226919f0391b6768405fd601f425fe452d409c73d2e6
Copyright registration time
2026-07-30T16:09:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:23:26Z
Bitcoin block
960284
Canonical record hash
sha256:98ccf3ee0d9ac25841327f46a7350d4efade36daf198ebc3a205aab160baca75

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.