ISRC DEN961401331
Verified recording
DEN961401331 is “Piano Sonata No. 21 in B flat, D.960: I. Molto moderato” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xe07dd916f2598df1f8f59b7d8f5bbc281df38ea4230fb8b151946fffc8846404 and independently timestamped
in Bitcoin block 960177 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961401331.
Recording identifiers
- ISRC
- DEN961401331
- Title
- Piano Sonata No. 21 in B flat, D.960: I. Molto moderato
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xe07dd916f2598df1f8f59b7d8f5bbc281df38ea4230fb8b151946fffc8846404
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:21:01+00:00
- Bitcoin block
- 960177
- Canonical record hash
sha256:3637059308dbeaa6214d3861c5de6a85f69d8f2167f16e0f7a6649c53f889834- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961401331
- Bitcoin block existence check
- https://blockstream.info/api/block/960177
Full record
Track page: Piano Sonata No. 21 in B flat, D.960: I. Molto moderato · Machine-readable JSON-LD