ISRC USSM11303821
Verified recording
USSM11303821 is “Le nozze di Figaro, K. 492: Atto Secondo: Vieni, cara Susanna (Recitativo: La Contessa, Susanna, Figaro)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x939e235a93c0da19f7d8b198a50a1bec624f2801f70e457f8bff9aeb01f50214 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/USSM11303821.
Recording identifiers
- ISRC
- USSM11303821
- Title
- Le nozze di Figaro, K. 492: Atto Secondo: Vieni, cara Susanna (Recitativo: La Contessa, Susanna, Figaro)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x939e235a93c0da19f7d8b198a50a1bec624f2801f70e457f8bff9aeb01f50214
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:c455da4572a8362522163fb0178cf4bcc1c99e5e9dbb63fb6480efe7163b4df1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303821
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Le nozze di Figaro, K. 492: Atto Secondo: Vieni, cara Susanna (Recitativo: La Contessa, Susanna, Figaro) · Machine-readable JSON-LD