ISRC FINDE9900186
Verified recording
FINDE9900186 is “Piano Sonata No. 6 in A Major, Op. 82: III. Tempo di valzer lentissimo” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0xfb24bd9475e579590729607d35247f1f161c3ded0934cdd3437b6ef14ff907a6 and independently timestamped
in Bitcoin block 960187 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE9900186.
Recording identifiers
- ISRC
- FINDE9900186
- Title
- Piano Sonata No. 6 in A Major, Op. 82: III. Tempo di valzer lentissimo
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0xfb24bd9475e579590729607d35247f1f161c3ded0934cdd3437b6ef14ff907a6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T01:34:28+00:00
- Bitcoin block
- 960187
- Canonical record hash
sha256:bc9d587c4abe07791312733c4df275c6ff7de6cca7717acad3f475b16029351a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE9900186
- Bitcoin block existence check
- https://blockstream.info/api/block/960187
Full record
Track page: Piano Sonata No. 6 in A Major, Op. 82: III. Tempo di valzer lentissimo · Machine-readable JSON-LD