ISRC GBF075610450
Verified recording
GBF075610450 is “4 Impromptus, Op. 142, D. 935: No. 3 in B-Flat Major: Theme (Andante) with Variations” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x9c81f8f192e78238da15d3b51fd30743590a200b9f7347a676c33a11144aed5f and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075610450.
Recording identifiers
- ISRC
- GBF075610450
- Title
- 4 Impromptus, Op. 142, D. 935: No. 3 in B-Flat Major: Theme (Andante) with Variations
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x9c81f8f192e78238da15d3b51fd30743590a200b9f7347a676c33a11144aed5f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ad61d4bd2efd519d238a551ae825d37ca545eea6bac39a066ec5c91e4feb3aa5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075610450
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 4 Impromptus, Op. 142, D. 935: No. 3 in B-Flat Major: Theme (Andante) with Variations · Machine-readable JSON-LD