ISRC FRZ110900856
Verified recording
FRZ110900856 is “Rachmaninov: Variations on a Theme of Corelli, Op. 42: Variation IX. Un poco più mosso” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x43bd5c95ca2f047e4a79f836c24e9b633eebb3a008e3a3f9f826005ef4df0ea6 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110900856.
Recording identifiers
- ISRC
- FRZ110900856
- Title
- Rachmaninov: Variations on a Theme of Corelli, Op. 42: Variation IX. Un poco più mosso
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x43bd5c95ca2f047e4a79f836c24e9b633eebb3a008e3a3f9f826005ef4df0ea6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:7d733cdee476ba76ef7822881a3dbd7c4f21eaf927a8b461d259dee31219acb2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110900856
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Rachmaninov: Variations on a Theme of Corelli, Op. 42: Variation IX. Un poco più mosso · Machine-readable JSON-LD