ISRC USSM11900018
Verified recording
USSM11900018 is “Piano Sonata No. 21 in B-Flat Major, D. 960: I. Molto moderato” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x1af27ab297d23994bb0fb392b6c76ab4d963cf7fa76770c1ea0cb3471ab86b20 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/USSM11900018.
Recording identifiers
- ISRC
- USSM11900018
- Title
- Piano Sonata No. 21 in B-Flat Major, D. 960: I. Molto moderato
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x1af27ab297d23994bb0fb392b6c76ab4d963cf7fa76770c1ea0cb3471ab86b20
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:ff1ff614fdaf409cbb2e69fafb5fc8de5d1e659e566d0be43aa1fa955b15a15f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11900018
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Piano Sonata No. 21 in B-Flat Major, D. 960: I. Molto moderato · Machine-readable JSON-LD