ISRC FRZ200003809
Verified recording
FRZ200003809 is “Rachmaninov: 10 Preludes, Op. 23: No. 9 in E-Flat Minor” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x9151adb91b4eec59a988edd6d8fed98ac4a5a66b1f1f663e6d631e6bf47b58bb and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200003809.
Recording identifiers
- ISRC
- FRZ200003809
- Title
- Rachmaninov: 10 Preludes, Op. 23: No. 9 in E-Flat Minor
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x9151adb91b4eec59a988edd6d8fed98ac4a5a66b1f1f663e6d631e6bf47b58bb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:e683691ceac446e1fae6f6d36dd2bcd45267587b88000d8bea470b918a62da72- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200003809
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Rachmaninov: 10 Preludes, Op. 23: No. 9 in E-Flat Minor · Machine-readable JSON-LD