ISRC FRZ200003700
Verified recording
FRZ200003700 is “Rachmaninov: 5 Morceaux de fantaisie, Op. 3: No. 2 Prelude in C-Sharp Minor” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x908d7738ce494ee3d675aeec976102de27ee34d22c8a5d82fdb09695427eaf03 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200003700.
Recording identifiers
- ISRC
- FRZ200003700
- Title
- Rachmaninov: 5 Morceaux de fantaisie, Op. 3: No. 2 Prelude in C-Sharp Minor
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x908d7738ce494ee3d675aeec976102de27ee34d22c8a5d82fdb09695427eaf03
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:75a642abaa0888191407cfed32451ce2d8387a2903948944a424cb65949bf403- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200003700
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Rachmaninov: 5 Morceaux de fantaisie, Op. 3: No. 2 Prelude in C-Sharp Minor · Machine-readable JSON-LD