Goldberg Variations, BWV 988: Variatio 21 Canone alla Settima. (a 1 Clav.)

Recording identifiers

ISRC

DEN962030122

Release date of the album this recording appears on

2021-02-12

CopyrightID (CopyrightChains transaction hash)

0xb9e47f2f318d356422a21283c0e0f7f87628f1fc496d537923b8c34fca8e49e5

Copyright registration time

2026-06-17T22:39:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:30:09Z

Bitcoin block

956302

Canonical record hash

sha256:729cfc6d59a1988f7c196cd3b8dcd8bdb56a9c9ac72e9b31e80cd8a2a911ff9b

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC DEN962030122

What this proof establishes

This recording was released in 2021, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.