ISRC FRZ148901100
Verified recording
FRZ148901100 is “Six four-handed pieces, Op. 11: III. Chanson russe” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x317498e4d3a5597f74293c50c96009bb6049877d851589160fe1796b84eeac98 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ148901100.
Recording identifiers
- ISRC
- FRZ148901100
- Title
- Six four-handed pieces, Op. 11: III. Chanson russe
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x317498e4d3a5597f74293c50c96009bb6049877d851589160fe1796b84eeac98
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:983501b6c2c41c8b0600c591f576d5679c610d8d379e07d0f6023a53dac9e660- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ148901100
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: Six four-handed pieces, Op. 11: III. Chanson russe · Machine-readable JSON-LD