Double Concerto for 2 Violins, Strings & Continuo in D Minor, BWV 1043: III. Allegro

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEF056300733
CopyrightID (CopyrightChains transaction hash)
0xa616bd932a9e243ea15750de5852178b459f2917fc0c7f7d44f63b567815df82
Copyright registration time
2026-07-07T16:24:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:cd01d4931f975c77b4ac6a39243f293ab622f210ff74af7d1ec64fcbd44231ec

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.