ISRC GBF078200574
Verified recording
GBF078200574 is “Schubert: 4 Impromptus, D. 899 (Op. 90): No. 4 in A-Flat Major. Allegretto” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x5748af8d8064cfadc1643dd3057720c49e99faf9a6656cb691275954c16c8dcb and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078200574.
Recording identifiers
- ISRC
- GBF078200574
- Title
- Schubert: 4 Impromptus, D. 899 (Op. 90): No. 4 in A-Flat Major. Allegretto
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x5748af8d8064cfadc1643dd3057720c49e99faf9a6656cb691275954c16c8dcb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:8b5a7099f550dddd19e86ad29f0485eb3ee6910fe44ed3b27377af02b178fd1b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078200574
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Schubert: 4 Impromptus, D. 899 (Op. 90): No. 4 in A-Flat Major. Allegretto · Machine-readable JSON-LD