Sonata No. 4 In C Minor, BWV 1017: 2. Allegro

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEB331023102
CopyrightID (CopyrightChains transaction hash)
0x422de54a0505f4e81afa3d3dfffe0847e58c3b7004676223c1f885dd89e13f8e
Copyright registration time
2026-07-06T20:01:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ce9fe7ac96539638ab13b1a9789b52e62a90497a85cbba8861080f6949c1ae48

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.