ISRC FRZ200003804
Verified recording
FRZ200003804 is “Rachmaninov: 10 Preludes, Op. 23: No. 4 in D Major” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x08fb7019a6f0c4461283b093b5350692049f89ac2cd279022e71fddda4819f03 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200003804.
Recording identifiers
- ISRC
- FRZ200003804
- Title
- Rachmaninov: 10 Preludes, Op. 23: No. 4 in D Major
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x08fb7019a6f0c4461283b093b5350692049f89ac2cd279022e71fddda4819f03
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:4c881f7cc073134f611312ecb56953509eebc4ad56e8c98668abacf5653f029b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200003804
- Bitcoin block existence check
- https://blockstream.info/api/block/953515
Full record
Track page: Rachmaninov: 10 Preludes, Op. 23: No. 4 in D Major · Machine-readable JSON-LD