ISRC FRZ140308150
Verified recording
FRZ140308150 is “Le nozze di Figaro, K. 492, Atto I Scene 6 - 7: Recitativo. Basilio, in traccia tosto (Il Conte, Susanna, Cherubino, Basilio)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xf0f8f05a8c392d8309449be89b04a50b1ae7988ae0c4ea8e9ad4c2dac219b200 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140308150.
Recording identifiers
- ISRC
- FRZ140308150
- Title
- Le nozze di Figaro, K. 492, Atto I Scene 6 - 7: Recitativo. Basilio, in traccia tosto (Il Conte, Susanna, Cherubino, Basilio)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xf0f8f05a8c392d8309449be89b04a50b1ae7988ae0c4ea8e9ad4c2dac219b200
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:f58ddcec270b65b2175d71d2e5b9509777e4193ebb75a94c69d0f1596b9e34b3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140308150
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Le nozze di Figaro, K. 492, Atto I Scene 6 - 7: Recitativo. Basilio, in traccia tosto (Il Conte, Susanna, Cherubino, Basilio) · Machine-readable JSON-LD