ISRC USBC19000261

Verified recording

USBC19000261 is “Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": I. Allegro” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x86b649561a4d6397bdac975db7d14cb944e1085edc43e2950362587876253e87 and independently timestamped in Bitcoin block 957120 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19000261.

Recording identifiers

ISRC
USBC19000261
Title
Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": I. Allegro
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x86b649561a4d6397bdac975db7d14cb944e1085edc43e2950362587876253e87

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41+00:00
Bitcoin block
957120
Canonical record hash
sha256:34749d1ac6b5d0cdbb3f164c88720e8b2018497bce8e12c46e68a9a3ff0a7d92
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19000261
Bitcoin block existence check
https://blockstream.info/api/block/957120

Full record

Track page: Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": I. Allegro · Machine-readable JSON-LD