Var. 29 a 1 ovvero 2 Clav.

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USSM11506205
CopyrightID (CopyrightChains transaction hash)
0x986ddedbbfb9a43ae37cb58ddac37bc938bee5a5ea0fdfea036d4dc781b27288
Copyright registration time
2026-06-11T06:13:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:39:04Z
Bitcoin block
957122
Canonical record hash
sha256:60458035f3c94d94055898de2f7e7e34124e3713d5a4a5ade086dd2d78bac7bc

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.