ISRC FRZ200003802
Verified recording
FRZ200003802 is “Rachmaninov: 10 Preludes, Op. 23: No. 2 in B-Flat Major” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xa8c275621e496444b6190b22c2e7bd72f65624b4f64ca2a013e63b10f34d86ee 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/FRZ200003802.
Recording identifiers
- ISRC
- FRZ200003802
- Title
- Rachmaninov: 10 Preludes, Op. 23: No. 2 in B-Flat Major
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xa8c275621e496444b6190b22c2e7bd72f65624b4f64ca2a013e63b10f34d86ee
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f6d206aac0a03a08151eef2bd10161ed9fbddd8c0ecc2ed614ef98bfc1b8fb8b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200003802
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Rachmaninov: 10 Preludes, Op. 23: No. 2 in B-Flat Major · Machine-readable JSON-LD