ISRC USSM11303828
Verified recording
USSM11303828 is “Le nozze di Figaro, K. 492: Atto Secondo: Susanna or via sortite (No. 14, Terzetto: Susanna, La Contessa, Il Conte)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x91de3e207b13279b43147e32cf85c2f81f7bd6fe198545c8aeae7ae549e6f8b2 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/USSM11303828.
Recording identifiers
- ISRC
- USSM11303828
- Title
- Le nozze di Figaro, K. 492: Atto Secondo: Susanna or via sortite (No. 14, Terzetto: Susanna, La Contessa, Il Conte)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x91de3e207b13279b43147e32cf85c2f81f7bd6fe198545c8aeae7ae549e6f8b2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:64f7bb495bebfaecef1b15b5e213dddee50e4bd8febc211d0865c0e7c9603049- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303828
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Le nozze di Figaro, K. 492: Atto Secondo: Susanna or via sortite (No. 14, Terzetto: Susanna, La Contessa, Il Conte) · Machine-readable JSON-LD