ISRC DEF055802454
Verified recording
DEF055802454 is “4 Impromptus Op. 142, D.935: No. 4 in F minor: Allegro scherzando” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xb547e52ccecefa5ad2501802890f9b520f7879843a8cb0fa28f4918d3f38f4c2 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055802454.
Recording identifiers
- ISRC
- DEF055802454
- Title
- 4 Impromptus Op. 142, D.935: No. 4 in F minor: Allegro scherzando
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xb547e52ccecefa5ad2501802890f9b520f7879843a8cb0fa28f4918d3f38f4c2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:cb2aa78c99cf91c9fc983d2f03bc77f642ff5f09b97bd3834462167a7d4c3982- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055802454
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: 4 Impromptus Op. 142, D.935: No. 4 in F minor: Allegro scherzando · Machine-readable JSON-LD