Var. 13 a 2 Clav.

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USSM11506189
CopyrightID (CopyrightChains transaction hash)
0x902ce9842a4cea47acf337f507b5fffb3d3388c39122a53841a4f46a4f8c12af
Copyright registration time
2026-06-07T19:28:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:adc982a03634fc3eeda69d68dce72011071b45840e9af512228980fcc876b5eb

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.