Goldberg Variations, BWV 988: Var. 28

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEN962333129
CopyrightID (CopyrightChains transaction hash)
0xf7cd3d25834dab828c7c71b5da3a38034a496a38e0e70084a8fc47fcf9a8b441
Copyright registration time
2026-06-07T15:40:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:984127a236b9f4a929cd1926ca147c13788b1151c07e9d4c1b3661b031afa691

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.