Var. 19 a 1 Clav.

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USSM11506195
CopyrightID (CopyrightChains transaction hash)
0x37a91c476c1b8cc2f28e52970fa6103cc1001fd1c47045ff6494f3a5de375d77
Copyright registration time
2026-06-10T03:03:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8930b5edc211c3c3b42d38806de58c5c88978de1e461cba35a8bf2034a2db663

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.