ISRC USSM11303804
Verified recording
USSM11303804 is “Le nozze di Figaro, K. 492: Atto Primo: Ed aspettaste il giorno fissato a le sue nozze (Recitativo: Bartolo, Marcellina)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x001922eb23fb77e5a99a2d86602a5b736b070a501feb931d86a2f22490dc60dc and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303804.
Recording identifiers
- ISRC
- USSM11303804
- Title
- Le nozze di Figaro, K. 492: Atto Primo: Ed aspettaste il giorno fissato a le sue nozze (Recitativo: Bartolo, Marcellina)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x001922eb23fb77e5a99a2d86602a5b736b070a501feb931d86a2f22490dc60dc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:33287a367cd6893cbe07c8fd3900ca6b4ad99ee1b32134908a89432d47c6be42- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303804
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Le nozze di Figaro, K. 492: Atto Primo: Ed aspettaste il giorno fissato a le sue nozze (Recitativo: Bartolo, Marcellina) · Machine-readable JSON-LD