ISRC GBF078200573
Verified recording
GBF078200573 is “4 Impromptus, D. 899 (Op. 90): No. 3 in G-Flat Major. Andante” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x6edea3137ffcbef1990d56b05f76a5fbd07f60b8bc5c77b6fd000555d811e32a and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078200573.
Recording identifiers
- ISRC
- GBF078200573
- Title
- 4 Impromptus, D. 899 (Op. 90): No. 3 in G-Flat Major. Andante
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x6edea3137ffcbef1990d56b05f76a5fbd07f60b8bc5c77b6fd000555d811e32a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:8419b74a8ea5b9f212fc73db98fd0014bdd42bc7381faff52295db284201dc87- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078200573
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: 4 Impromptus, D. 899 (Op. 90): No. 3 in G-Flat Major. Andante · Machine-readable JSON-LD