ISRC FRZ140310060
Verified recording
FRZ140310060 is “Le nozze di Figaro, K. 492, Atto III Scene 9 - 10: No. 21, Su l'aria... (Duettino Susanna, La Contessa)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x462b9099c2049c4bca4cdfe06711630fb169f79cdd2a553a9bc069440e86064d 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/FRZ140310060.
Recording identifiers
- ISRC
- FRZ140310060
- Title
- Le nozze di Figaro, K. 492, Atto III Scene 9 - 10: No. 21, Su l'aria... (Duettino Susanna, La Contessa)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x462b9099c2049c4bca4cdfe06711630fb169f79cdd2a553a9bc069440e86064d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:59b04845ac5b6b371cff516e94a53855c6539630afaa6834bd3e40eaeb995701- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140310060
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Le nozze di Figaro, K. 492, Atto III Scene 9 - 10: No. 21, Su l'aria... (Duettino Susanna, La Contessa) · Machine-readable JSON-LD