ISRC USASX0620905
Verified recording
USASX0620905 is “Le nozze di Figaro (The Marriage of Figaro), K. 492, Act III: Duettino: Sull'aria che soave zeffiretto (arr. for flute, oboe and piano)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x78e7f09820ff0be4a6a4e7945bd6445d3cf801aadb946eba9f157f8e4eb7a88e and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0620905.
Recording identifiers
- ISRC
- USASX0620905
- Title
- Le nozze di Figaro (The Marriage of Figaro), K. 492, Act III: Duettino: Sull'aria che soave zeffiretto (arr. for flute, oboe and piano)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x78e7f09820ff0be4a6a4e7945bd6445d3cf801aadb946eba9f157f8e4eb7a88e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:7f30dede4f275bf3efd09196a4511dced6a41578783af9aa578a5a85410af476- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0620905
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Le nozze di Figaro (The Marriage of Figaro), K. 492, Act III: Duettino: Sull'aria che soave zeffiretto (arr. for flute, oboe and piano) · Machine-readable JSON-LD