ISRC FRZ131315050
Verified recording
FRZ131315050 is “Piano Concerto No. 3 in C Major, Op. 26: II. Tema con variazioni. Andantino” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0xbb5418490f920ff81f88e5289b69941a7d9a71a25ade0cdefcf666ec4ede06da and independently timestamped
in Bitcoin block 960157 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131315050.
Recording identifiers
- ISRC
- FRZ131315050
- Title
- Piano Concerto No. 3 in C Major, Op. 26: II. Tema con variazioni. Andantino
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0xbb5418490f920ff81f88e5289b69941a7d9a71a25ade0cdefcf666ec4ede06da
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:12:10+00:00
- Bitcoin block
- 960157
- Canonical record hash
sha256:7502bd8a2b51973ae466818d5b84c1bb298c00d78bf1dc5bed50d94b753c827b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131315050
- Bitcoin block existence check
- https://blockstream.info/api/block/960157
Full record
Track page: Piano Concerto No. 3 in C Major, Op. 26: II. Tema con variazioni. Andantino · Machine-readable JSON-LD