Violin Concerto in D Minor, BWV 1052: II. Largo

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
NLY331805989
CopyrightID (CopyrightChains transaction hash)
0x20f592be1a3d6545537fcd1468454e3b0c826c5e34621139b4d8dc21b3c3a050
Copyright registration time
2026-06-22T04:32:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:3a5b4513f5d7274f1a46ca7dc293f09bf633c493a6b63130943a31e127729126

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.