ISRC USKO11201744
Verified recording
USKO11201744 is “Sonata No. 4 in C Minor for Violin and Harpsichord, BWV 1017: ii. Allegro” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x76b03291556f53f1e993c354fbb87bbc3efabdc3216db3ffd72b0252f9ffe96e and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11201744.
Recording identifiers
- ISRC
- USKO11201744
- Title
- Sonata No. 4 in C Minor for Violin and Harpsichord, BWV 1017: ii. Allegro
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x76b03291556f53f1e993c354fbb87bbc3efabdc3216db3ffd72b0252f9ffe96e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:562f1c8d8b4405d2a9059448dfd76ce27fd5aeaf92d2f1cb99f48ae210119263- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11201744
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Sonata No. 4 in C Minor for Violin and Harpsichord, BWV 1017: ii. Allegro · Machine-readable JSON-LD