Var. 17 a 2 Clav.

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USSM11506193
CopyrightID (CopyrightChains transaction hash)
0x3c82f759e46757c62460de617885bf27afe11bbe0ba119fdfa06c545fa9049c8
Copyright registration time
2026-06-10T13:57:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8098942ece1c550562c6367f42ab91c012e84c2c9290c10cb6f4cce914e57811

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.