ISRC USHM19108708
Verified recording
USHM19108708 is “Piano Sonata No. 7: I. Allegro inquieto” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0x6c1333edafd1d4cc1591d3834902cf3e8efc417bec2fa22b627840f7f659536c and independently timestamped
in Bitcoin block 960302 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19108708.
Recording identifiers
- ISRC
- USHM19108708
- Title
- Piano Sonata No. 7: I. Allegro inquieto
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0x6c1333edafd1d4cc1591d3834902cf3e8efc417bec2fa22b627840f7f659536c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:09:33+00:00
- Bitcoin block
- 960302
- Canonical record hash
sha256:ce3f16f167f694c03a2d6a9915a5e21ecc82625c1a5c2f18614235494f2db57f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19108708
- Bitcoin block existence check
- https://blockstream.info/api/block/960302
Full record
Track page: Piano Sonata No. 7: I. Allegro inquieto · Machine-readable JSON-LD