ISRC DEF058702214
Verified recording
DEF058702214 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
0xe79249f5305babdb9fc84b97960c7b2721a4d140e1479cc1fed6bcc9b6639fcf and independently timestamped
in Bitcoin block 960435 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058702214.
Recording identifiers
- ISRC
- DEF058702214
- Title
- Piano Sonata No. 21 in B Flat Major, D. 960: IV. Allegro ma non troppo
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xe79249f5305babdb9fc84b97960c7b2721a4d140e1479cc1fed6bcc9b6639fcf
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T16:33:26+00:00
- Bitcoin block
- 960435
- Canonical record hash
sha256:a9db29226c1b86c9502595c696ce512494485f681206f5ee047c081c18f8674f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058702214
- Bitcoin block existence check
- https://blockstream.info/api/block/960435
Full record
Track page: Piano Sonata No. 21 in B Flat Major, D. 960: IV. Allegro ma non troppo · Machine-readable JSON-LD