Concerto for Harpsichord & Strings, BWV 1056 - Arr. as Violin Concerto: 2. Largo

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
NLA508532811
CopyrightID (CopyrightChains transaction hash)
0xc68651b60171925e03fde2cef983c9e18dda4c440537c33c0b3260a929cf6656
Copyright registration time
2026-06-19T23:30:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7aaa2a9ed78aad6a2411d793f7fc12c346a444c9d92f172a84bebe9fdaa739c9

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.