ISRC USBC19200654

Verified recording

USBC19200654 is “Sonata for Harpsichord and Flute in B Minor, BWV 1030: II. Largo e dolce” by Johann Sebastian Bach, registered on the CopyrightChains blockchain with CopyrightID 0xc491ed3d3a6649dad203337dc7b1249603f8d31a5936e589d77b6e492d86a081 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/USBC19200654.

Recording identifiers

ISRC
USBC19200654
Title
Sonata for Harpsichord and Flute in B Minor, BWV 1030: II. Largo e dolce
Artist
Johann Sebastian Bach
CopyrightID (CopyrightChains transaction hash)
0xc491ed3d3a6649dad203337dc7b1249603f8d31a5936e589d77b6e492d86a081

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:990b8e7e76142591d0bc0a5ab1aec44e05da5658e40ed6fc37843bb17472e2bf
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19200654
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Sonata for Harpsichord and Flute in B Minor, BWV 1030: II. Largo e dolce · Machine-readable JSON-LD