ISRC USSM10102306
Verified recording
USSM10102306 is “Le nozze di Figaro, K. 492: No. 21 Duettino: "Sull'aria?..Che soave zeffiretto"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x6a1b67e852e4d203fa0c4e60d85f009e129c428026ca80c05195180e0dbb3cb9 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/USSM10102306.
Recording identifiers
- ISRC
- USSM10102306
- Title
- Le nozze di Figaro, K. 492: No. 21 Duettino: "Sull'aria?..Che soave zeffiretto"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x6a1b67e852e4d203fa0c4e60d85f009e129c428026ca80c05195180e0dbb3cb9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:41:21+00:00
- Bitcoin block
- 960106
- Canonical record hash
sha256:43b462705b33093e98a7cd1349172eedbccda5e4fc913987293fd6adaa6683a3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10102306
- Bitcoin block existence check
- https://blockstream.info/api/block/960106
Full record
Track page: Le nozze di Figaro, K. 492: No. 21 Duettino: "Sull'aria?..Che soave zeffiretto" · Machine-readable JSON-LD