Violin Sonata No. 2 in A Minor, BWV 1003: I. Grave

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
GBPCP1520042
CopyrightID (CopyrightChains transaction hash)
0x12373955cc8544875765ea04d6bf56990c9381daff1993e2be2d23bcffd6f859
Copyright registration time
2026-06-27T06:54:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:778acb1b7107d03ecea95d4b91aad53e28b77e68442d3d3372f94f99f97ede1b

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.