ISRC FRZ140309110
Verified recording
FRZ140309110 is “Le nozze di Figaro, K. 492, Atto II Scena 4: No. 15, Duettino. Aprite, presto, aprite (Susanna, Cherubino)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xfb2b8a8e12a978f36b7f6d27ea64291cb94dde4fe969b4ba44e65b451e11eed6 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/FRZ140309110.
Recording identifiers
- ISRC
- FRZ140309110
- Title
- Le nozze di Figaro, K. 492, Atto II Scena 4: No. 15, Duettino. Aprite, presto, aprite (Susanna, Cherubino)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xfb2b8a8e12a978f36b7f6d27ea64291cb94dde4fe969b4ba44e65b451e11eed6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:7b0f0a41b71c5970b666c15e92b2fcc598ad81377aa8510d03d33fed73229868- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140309110
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Le nozze di Figaro, K. 492, Atto II Scena 4: No. 15, Duettino. Aprite, presto, aprite (Susanna, Cherubino) · Machine-readable JSON-LD