ISRC FRZ038302270
Verified recording
FRZ038302270 is “4 Impromptus, Op. 90, D.899: No. 3 in G-Flat Major: Andante” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0xe401267ea0a883496b2e8eb67303a0572930095e52e4c9e28061abd5dd2400e0 and independently timestamped
in Bitcoin block 959096 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ038302270.
Recording identifiers
- ISRC
- FRZ038302270
- Title
- 4 Impromptus, Op. 90, D.899: No. 3 in G-Flat Major: Andante
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0xe401267ea0a883496b2e8eb67303a0572930095e52e4c9e28061abd5dd2400e0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T03:48:36+00:00
- Bitcoin block
- 959096
- Canonical record hash
sha256:2f4ee9817f06c6bf3aa312b874e6c9fc0e00a0490cf58d24c8f8964860809409- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ038302270
- Bitcoin block existence check
- https://blockstream.info/api/block/959096
Full record
Track page: 4 Impromptus, Op. 90, D.899: No. 3 in G-Flat Major: Andante · Machine-readable JSON-LD