ISRC FRZ200003806
Verified recording
FRZ200003806 is “Rachmaninov: 10 Preludes, Op. 23: No. 6 in E-Flat Major” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x6e325c29825ab07748b103872fec33452226d4b179a1f2e478604de15dd35462 and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200003806.
Recording identifiers
- ISRC
- FRZ200003806
- Title
- Rachmaninov: 10 Preludes, Op. 23: No. 6 in E-Flat Major
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x6e325c29825ab07748b103872fec33452226d4b179a1f2e478604de15dd35462
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:975e7cfbedb6d0e6d3fbc130e0e14318703c89e0e6a9c4225936bc27774aaf1f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200003806
- Bitcoin block existence check
- https://blockstream.info/api/block/959144
Full record
Track page: Rachmaninov: 10 Preludes, Op. 23: No. 6 in E-Flat Major · Machine-readable JSON-LD