ISRC USBC19200221

Verified recording

USBC19200221 is “Sonata for Harpsichord and Flute in E-Flat Major, BWV 1031 (Transp. to G Major): II. Siciliano” by Johann Sebastian Bach, registered on the CopyrightChains blockchain with CopyrightID 0xd1739c8338dd55877d3558ab1f9172d801dd6b74703e1c56362c30533dc3eafd and independently timestamped in Bitcoin block 960321 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19200221.

Recording identifiers

ISRC
USBC19200221
Title
Sonata for Harpsichord and Flute in E-Flat Major, BWV 1031 (Transp. to G Major): II. Siciliano
Artist
Johann Sebastian Bach
CopyrightID (CopyrightChains transaction hash)
0xd1739c8338dd55877d3558ab1f9172d801dd6b74703e1c56362c30533dc3eafd

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30+00:00
Bitcoin block
960321
Canonical record hash
sha256:787185bc5d3a425d5d014ecd1c0409fa2a12c91a07a18787fc485fc4e7250563
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19200221
Bitcoin block existence check
https://blockstream.info/api/block/960321

Full record

Track page: Sonata for Harpsichord and Flute in E-Flat Major, BWV 1031 (Transp. to G Major): II. Siciliano · Machine-readable JSON-LD