Concerto for 4 Harpsichords, Strings, and Continuo in A minor, BWV 1065: 2. Largo

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEF058500182
CopyrightID (CopyrightChains transaction hash)
0x0c801fa6f0c084177171cccdcd6ef498304c21356fd8c404fd46044763b443d9
Copyright registration time
2026-06-23T09:34:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2fc17cc05b4459eca157ed8da8697e93e77056d84be52fcac6ef793ccad460e5

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.