ISRC USSM11303805

Verified recording

USSM11303805 is “Le nozze di Figaro, K. 492: Atto Primo: La vendetta, oh la vendetta (No. 4, Aria: Bartolo)” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x4fb0411b10beb4dab068e33e28972b2eabb71877cc6eb3991fad87ee396f4853 and independently timestamped in Bitcoin block 960108 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303805.

Recording identifiers

ISRC
USSM11303805
Title
Le nozze di Figaro, K. 492: Atto Primo: La vendetta, oh la vendetta (No. 4, Aria: Bartolo)
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x4fb0411b10beb4dab068e33e28972b2eabb71877cc6eb3991fad87ee396f4853

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T13:09:35+00:00
Bitcoin block
960108
Canonical record hash
sha256:5d6d137340812b5cf52ecc26a457ec7398877b0bef3926dfd9683b5442bcc02d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303805
Bitcoin block existence check
https://blockstream.info/api/block/960108

Full record

Track page: Le nozze di Figaro, K. 492: Atto Primo: La vendetta, oh la vendetta (No. 4, Aria: Bartolo) · Machine-readable JSON-LD