ISRC USSM11900019
Verified recording
USSM11900019 is “Piano Sonata No. 21 in B-Flat Major, D. 960: II. Andante sostenuto” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x26392f4ffb1645ab94869441fb65c3d7d9d594ad77af4fd811511c3495dcf4bb 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/USSM11900019.
Recording identifiers
- ISRC
- USSM11900019
- Title
- Piano Sonata No. 21 in B-Flat Major, D. 960: II. Andante sostenuto
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x26392f4ffb1645ab94869441fb65c3d7d9d594ad77af4fd811511c3495dcf4bb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:e0ba2f5559a6e9c93fb674d7c6f9eb43b6fd090d748f1a776dc34d568f93ef56- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11900019
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Piano Sonata No. 21 in B-Flat Major, D. 960: II. Andante sostenuto · Machine-readable JSON-LD