ISRC FRZ179700440
Verified recording
FRZ179700440 is “Roméo et Juliette, Op. 64: Act I - Madrigal” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0x4cba5bdddbdd7f6d353c9ac83f18a5afcddb78d29e388a9ab36f549c473c0c4d and independently timestamped
in Bitcoin block 960389 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ179700440.
Recording identifiers
- ISRC
- FRZ179700440
- Title
- Roméo et Juliette, Op. 64: Act I - Madrigal
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0x4cba5bdddbdd7f6d353c9ac83f18a5afcddb78d29e388a9ab36f549c473c0c4d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:4845159828ba1397693ae96c48d834489e08df5ac8fe0d2ad921d9f7eb07cc39- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ179700440
- Bitcoin block existence check
- https://blockstream.info/api/block/960389
Full record
Track page: Roméo et Juliette, Op. 64: Act I - Madrigal · Machine-readable JSON-LD