ISRC HKI191516011
Verified recording
HKI191516011 is “Keyboard Sonata in F Major, K.446/L.433/P.177 (arr. I. Friedman for piano)” by Ignaz Friedman,
registered on the CopyrightChains blockchain with CopyrightID
0x9e691dfb24d4a294a185df7115f1625079d8e78eb10cfb0d0c3e146eda4d26eb and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191516011.
Recording identifiers
- ISRC
- HKI191516011
- Title
- Keyboard Sonata in F Major, K.446/L.433/P.177 (arr. I. Friedman for piano)
- Artist
- Ignaz Friedman
- CopyrightID (CopyrightChains transaction hash)
0x9e691dfb24d4a294a185df7115f1625079d8e78eb10cfb0d0c3e146eda4d26eb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:dcc52d33ac73152f5c88037b5cb7aaf4dcbc6fd7a394ec7d9136f8542234516f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI191516011
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Keyboard Sonata in F Major, K.446/L.433/P.177 (arr. I. Friedman for piano) · Machine-readable JSON-LD