ISRC FRU621841211
Verified recording
FRU621841211 is “10 Pieces for Piano, Op. 12: Mazurka” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0xdb5442d38b10c9642d0d8b0b4fbbaa131671fdc5df677e7ae7b5e48b76e4967a and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621841211.
Recording identifiers
- ISRC
- FRU621841211
- Title
- 10 Pieces for Piano, Op. 12: Mazurka
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0xdb5442d38b10c9642d0d8b0b4fbbaa131671fdc5df677e7ae7b5e48b76e4967a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:b13c5c13e2485d01483afb50429218811a5262b16909af992577f29830a8b23d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRU621841211
- Bitcoin block existence check
- https://blockstream.info/api/block/960317
Full record
Track page: 10 Pieces for Piano, Op. 12: Mazurka · Machine-readable JSON-LD