ISRC USB8U1612640

Verified recording

USB8U1612640 is “Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": III. Rondo” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x88cbbf0faa94d62019973b446cd22167a7b0f7e0f9e6f0313e887408b7e9a25e and independently timestamped in Bitcoin block 957118 on 2026-07-08. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612640.

Recording identifiers

ISRC
USB8U1612640
Title
Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": III. Rondo
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x88cbbf0faa94d62019973b446cd22167a7b0f7e0f9e6f0313e887408b7e9a25e

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:f25ec7e440d418b0eafe2e85755ae084fa329b9279336225b664e1dbfdcb1656
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1612640
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

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