ISRC DEN961401261
Verified recording
DEN961401261 is “Piano Sonata No. 13 in A, D.664: I. Allegro moderato” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x03a85ad39d40cdf6981af8deb08b8152c3e04ab658d7db81fc0c7726aa5a4c75 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961401261.
Recording identifiers
- ISRC
- DEN961401261
- Title
- Piano Sonata No. 13 in A, D.664: I. Allegro moderato
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x03a85ad39d40cdf6981af8deb08b8152c3e04ab658d7db81fc0c7726aa5a4c75
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:11d88c0e666aa235c192b06bc8da7de8022fc0184df6bd0c38b4cb23c9d17567- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961401261
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Piano Sonata No. 13 in A, D.664: I. Allegro moderato · Machine-readable JSON-LD