ISRC ITX921002627
Verified recording
ITX921002627 is “4 Impromptus, Op. 142, D. 935: No. 3 in B-Flat Major” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x8ef0da78ff83e788e56c57b55e8d9bea040015edd0911bd006c3991ebdb23493 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITX921002627.
Recording identifiers
- ISRC
- ITX921002627
- Title
- 4 Impromptus, Op. 142, D. 935: No. 3 in B-Flat Major
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x8ef0da78ff83e788e56c57b55e8d9bea040015edd0911bd006c3991ebdb23493
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:ed0ff841f75dcc47b01f9d02b113b617b906a9f029dfccda449bd7d7ca22302a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITX921002627
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: 4 Impromptus, Op. 142, D. 935: No. 3 in B-Flat Major · Machine-readable JSON-LD