ISRC FRZ200003810
Verified recording
FRZ200003810 is “Rachmaninov: 10 Preludes, Op. 23: No. 10 in G-Flat Major” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x5547f9852f53eb5750b1d94c40c956ffcda2ae0a38940e10df8bc04c071d89c2 and independently timestamped
in Bitcoin block 960108 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200003810.
Recording identifiers
- ISRC
- FRZ200003810
- Title
- Rachmaninov: 10 Preludes, Op. 23: No. 10 in G-Flat Major
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x5547f9852f53eb5750b1d94c40c956ffcda2ae0a38940e10df8bc04c071d89c2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:09:35+00:00
- Bitcoin block
- 960108
- Canonical record hash
sha256:f1f153fbacf71d13a8b2313aa733a7213458942b2c3da3b30c34b459f2d3be68- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200003810
- Bitcoin block existence check
- https://blockstream.info/api/block/960108
Full record
Track page: Rachmaninov: 10 Preludes, Op. 23: No. 10 in G-Flat Major · Machine-readable JSON-LD