ISRC USCWA0304509

Verified recording

USCWA0304509 is “Keyboard Sonata in C Minor, Op. 17, No. 2 , W. A7: III. Prestissimo” by Johann Christian Bach, registered on the CopyrightChains blockchain with CopyrightID 0xfdb43814acc75d6bacdbffd05d7b846507d5eab64faeb2364358c06d51b2b23a and independently timestamped in Bitcoin block 957120 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCWA0304509.

Recording identifiers

ISRC
USCWA0304509
Title
Keyboard Sonata in C Minor, Op. 17, No. 2 , W. A7: III. Prestissimo
Artist
Johann Christian Bach
CopyrightID (CopyrightChains transaction hash)
0xfdb43814acc75d6bacdbffd05d7b846507d5eab64faeb2364358c06d51b2b23a

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41+00:00
Bitcoin block
957120
Canonical record hash
sha256:b0f5d7dd70c42a15d57d2cf0fa1a0f7177828581786d3c278df3437713c15840
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCWA0304509
Bitcoin block existence check
https://blockstream.info/api/block/957120

Full record

Track page: Keyboard Sonata in C Minor, Op. 17, No. 2 , W. A7: III. Prestissimo · Machine-readable JSON-LD