Var. 14 a 2 Clav.

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USSM11506190
CopyrightID (CopyrightChains transaction hash)
0x8fbb3f573169c8bbb987b817cd24a9123c7f29f57d6bf4f5c45e7ac658666ee3
Copyright registration time
2026-06-10T13:43:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fcd6e0a4a261ffe900f840f5be2805af55b5ba7171c411ee93a0dc6eb0f1f8d6

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.