ISRC CZA162100890
Verified recording
CZA162100890 is “4 Impromptus, Op. 90: No. 3 in G-Flat Major, Andante” by Franz Schubert,
registered on the CopyrightChains blockchain with CopyrightID
0x70b2020ca92ca42040b3ec56867120a2632b488ba9a1af65d023d246d32fbf45 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162100890.
Recording identifiers
- ISRC
- CZA162100890
- Title
- 4 Impromptus, Op. 90: No. 3 in G-Flat Major, Andante
- Artist
- Franz Schubert
- CopyrightID (CopyrightChains transaction hash)
0x70b2020ca92ca42040b3ec56867120a2632b488ba9a1af65d023d246d32fbf45
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:f3cbe5645fca8c53d4a142f183684870d7bd4544c60d0253f1f431d15cc21875- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162100890
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: 4 Impromptus, Op. 90: No. 3 in G-Flat Major, Andante · Machine-readable JSON-LD