ISRC USHM19108608
Verified recording
USHM19108608 is “Piano Sonata No. 4: II. Andante assai” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0x903ede32578c76b1fe4cf8abfce9079475bb7ee281d1f3099eefe2c53a377368 and independently timestamped
in Bitcoin block 960381 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19108608.
Recording identifiers
- ISRC
- USHM19108608
- Title
- Piano Sonata No. 4: II. Andante assai
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0x903ede32578c76b1fe4cf8abfce9079475bb7ee281d1f3099eefe2c53a377368
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:50:11+00:00
- Bitcoin block
- 960381
- Canonical record hash
sha256:dc3cdda2d5449e23fddd696171ee400b3e2943219a7bab729a347f5f92875f1b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19108608
- Bitcoin block existence check
- https://blockstream.info/api/block/960381
Full record
Track page: Piano Sonata No. 4: II. Andante assai · Machine-readable JSON-LD