ISRC NLA507100128
Verified recording
NLA507100128 is “Piano Sonata No. 21 in B flat, D.960: 4. Allegro ma non troppo” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xca18d838d6f5343c5220aaadd5f2f080648dc8e10337e1fdd3d2140ace45b449 and independently timestamped
in Bitcoin block 960276 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100128.
Recording identifiers
- ISRC
- NLA507100128
- Title
- Piano Sonata No. 21 in B flat, D.960: 4. Allegro ma non troppo
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xca18d838d6f5343c5220aaadd5f2f080648dc8e10337e1fdd3d2140ace45b449
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T16:01:17+00:00
- Bitcoin block
- 960276
- Canonical record hash
sha256:d609dda4d26dcce97eb4370fe62f0dd13c089b2816d69dfc36546a52e79111d9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507100128
- Bitcoin block existence check
- https://blockstream.info/api/block/960276
Full record
Track page: Piano Sonata No. 21 in B flat, D.960: 4. Allegro ma non troppo · Machine-readable JSON-LD