ISRC USSM11303806
Verified recording
USSM11303806 is “Le nozze di Figaro, K. 492: Atto Primo: Tutto ancor non ho perso (Recitativo: Marcellina, Susanna)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x9fc703a12f5168844fa1d0a9daa7245517f1053f4bd323491ee7ec3a24bb2cc7 and independently timestamped
in Bitcoin block 960106 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303806.
Recording identifiers
- ISRC
- USSM11303806
- Title
- Le nozze di Figaro, K. 492: Atto Primo: Tutto ancor non ho perso (Recitativo: Marcellina, Susanna)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x9fc703a12f5168844fa1d0a9daa7245517f1053f4bd323491ee7ec3a24bb2cc7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:41:21+00:00
- Bitcoin block
- 960106
- Canonical record hash
sha256:0b93a86207764188156a50009fcd9c8223b8dee91d669ae1c0048cfda30f4c74- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303806
- Bitcoin block existence check
- https://blockstream.info/api/block/960106
Full record
Track page: Le nozze di Figaro, K. 492: Atto Primo: Tutto ancor non ho perso (Recitativo: Marcellina, Susanna) · Machine-readable JSON-LD