ISRC FRZ140309210
Verified recording
FRZ140309210 is “Le nozze di Figaro, K. 492, Atto III Scena 4: No. 18, Recitativo e Aria. Hai già vinta la causa! (Il Conte)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x50eae77bd98f572759e0ce1a2129441e7d5ed8cf81c591a6bd54b8539a472aa1 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/FRZ140309210.
Recording identifiers
- ISRC
- FRZ140309210
- Title
- Le nozze di Figaro, K. 492, Atto III Scena 4: No. 18, Recitativo e Aria. Hai già vinta la causa! (Il Conte)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x50eae77bd98f572759e0ce1a2129441e7d5ed8cf81c591a6bd54b8539a472aa1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:16510f5dc01a3a09d278ff11d3dd192d2f9a2020ecc958fb5f5c3d1f0d717708- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140309210
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Le nozze di Figaro, K. 492, Atto III Scena 4: No. 18, Recitativo e Aria. Hai già vinta la causa! (Il Conte) · Machine-readable JSON-LD