ISRC USSM11900021
Verified recording
USSM11900021 is “Piano Sonata No. 21 in B-Flat Major, D. 960: IV. Allegro ma non troppo” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xedbea2710f603b655f1aeb7023a837524916e581308f7899c6188afbb74f2722 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11900021.
Recording identifiers
- ISRC
- USSM11900021
- Title
- Piano Sonata No. 21 in B-Flat Major, D. 960: IV. Allegro ma non troppo
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xedbea2710f603b655f1aeb7023a837524916e581308f7899c6188afbb74f2722
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:f37b82fa3f390d66bfb3da553e6dd1955c3ef76d733d745f3d0b95136a7fd5ae- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11900021
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Piano Sonata No. 21 in B-Flat Major, D. 960: IV. Allegro ma non troppo · Machine-readable JSON-LD