ISRC DEN961401332
Verified recording
DEN961401332 is “Piano Sonata No. 21 in B flat, D.960: II. Andante sostenuto” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x5bb9d362faa7c9c8c70363b3990bf655e297f48b3d78f8dec1aec6be3c9197c2 and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961401332.
Recording identifiers
- ISRC
- DEN961401332
- Title
- Piano Sonata No. 21 in B flat, D.960: II. Andante sostenuto
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x5bb9d362faa7c9c8c70363b3990bf655e297f48b3d78f8dec1aec6be3c9197c2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:a42e9c3630e0bc100debc99e0ab374cb0a8a1432b129e4351ce42079390c9744- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961401332
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: Piano Sonata No. 21 in B flat, D.960: II. Andante sostenuto · Machine-readable JSON-LD