ISRC FRZ209900122
Verified recording
FRZ209900122 is “Prokofiev: Sonata for Two Violins in C Major, Op. 56: II. Allegro” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0xdaad6efc2f381549f08fd448c2632f924bd4184af676ed74ad0fa601708faf90 and independently timestamped
in Bitcoin block 960175 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209900122.
Recording identifiers
- ISRC
- FRZ209900122
- Title
- Prokofiev: Sonata for Two Violins in C Major, Op. 56: II. Allegro
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0xdaad6efc2f381549f08fd448c2632f924bd4184af676ed74ad0fa601708faf90
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:16:15+00:00
- Bitcoin block
- 960175
- Canonical record hash
sha256:3df75fd04af7586b54d432f0a6115ac25873725d1767fad861c7e9fa26a8ff56- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209900122
- Bitcoin block existence check
- https://blockstream.info/api/block/960175
Full record
Track page: Prokofiev: Sonata for Two Violins in C Major, Op. 56: II. Allegro · Machine-readable JSON-LD