ISRC USB8U2008857

Verified recording

USB8U2008857 is “Piano Sonata in B-Flat Major, D. 960: Ii. Andante sostenuto” by Franz Schubert, registered on the CopyrightChains blockchain with CopyrightID 0x8e9ca66ba6c11a0fc09bb0e3fbf75ebdd78c9c5753a8bf386a15c05390068d91 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/USB8U2008857.

Recording identifiers

ISRC
USB8U2008857
Title
Piano Sonata in B-Flat Major, D. 960: Ii. Andante sostenuto
Artist
Franz Schubert
CopyrightID (CopyrightChains transaction hash)
0x8e9ca66ba6c11a0fc09bb0e3fbf75ebdd78c9c5753a8bf386a15c05390068d91

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:9b28b0d0970801cdcbb6445122d5acb61796473a68df6cfe7e26e31442861dce
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U2008857
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Piano Sonata in B-Flat Major, D. 960: Ii. Andante sostenuto · Machine-readable JSON-LD