Var. 22 a 1 Clav. Alla breve

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USSM11506198
CopyrightID (CopyrightChains transaction hash)
0x2797c4646daf8ad53ae8b4b13171ca94f6aaae13c99181cac817d45ab0f77db8
Copyright registration time
2026-06-19T22:49:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fc765938a81e95270b719319b4f95ae7e73d456dc98609264ca446eccfb9e8e4

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.