ISRC FRZ200003808
Verified recording
FRZ200003808 is “Rachmaninov: 10 Preludes, Op. 23: No. 8 in A-Flat Major” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x87f51bd8747bce64205f77e6f81aa3fd6c063df142fa86b53305849bb4f2571b and independently timestamped
in Bitcoin block 957046 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200003808.
Recording identifiers
- ISRC
- FRZ200003808
- Title
- Rachmaninov: 10 Preludes, Op. 23: No. 8 in A-Flat Major
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x87f51bd8747bce64205f77e6f81aa3fd6c063df142fa86b53305849bb4f2571b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:04:01+00:00
- Bitcoin block
- 957046
- Canonical record hash
sha256:91109054a18ff59aca491ce0e6f6d443cd03e383c851e6c52a1bd2f756260f6a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ200003808
- Bitcoin block existence check
- https://blockstream.info/api/block/957046
Full record
Track page: Rachmaninov: 10 Preludes, Op. 23: No. 8 in A-Flat Major · Machine-readable JSON-LD