ISRC USSM11303852
Verified recording
USSM11303852 is “Le nozze di Figaro, K. 492: Atto Terzo: Dove sono i bei momenti (No. 20, Aria: La Contessa)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x49b788acb3b3284e39b6a97854ab54740619e0c61a822da91df29177bee45bd8 and independently timestamped
in Bitcoin block 960303 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303852.
Recording identifiers
- ISRC
- USSM11303852
- Title
- Le nozze di Figaro, K. 492: Atto Terzo: Dove sono i bei momenti (No. 20, Aria: La Contessa)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x49b788acb3b3284e39b6a97854ab54740619e0c61a822da91df29177bee45bd8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:11:13+00:00
- Bitcoin block
- 960303
- Canonical record hash
sha256:e5ff159568c6afd2e7ef9b3c22535043b0d892ebf7eada555bac8bfdda77485a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303852
- Bitcoin block existence check
- https://blockstream.info/api/block/960303
Full record
Track page: Le nozze di Figaro, K. 492: Atto Terzo: Dove sono i bei momenti (No. 20, Aria: La Contessa) · Machine-readable JSON-LD