ISRC DEN961531245

Verified recording

DEN961531245 is “Le nozze di Figaro, K.492 / Act 3: N. 17. Duettino: “Crudel! Perché finora farmi languir così?”” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0xf97a24b43dd884947a0c84f250bd15ff08798dfeca4b03264e2056c7c0fb58f0 and independently timestamped in Bitcoin block 960095 on 2026-07-29. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531245.

Recording identifiers

ISRC
DEN961531245
Title
Le nozze di Figaro, K.492 / Act 3: N. 17. Duettino: “Crudel! Perché finora farmi languir così?”
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0xf97a24b43dd884947a0c84f250bd15ff08798dfeca4b03264e2056c7c0fb58f0

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-29T11:07:37+00:00
Bitcoin block
960095
Canonical record hash
sha256:e6d1943e646dff4ee680ef3165e82698336910a5be54132b2ea90ef7a5b8c75c
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961531245
Bitcoin block existence check
https://blockstream.info/api/block/960095

Full record

Track page: Le nozze di Figaro, K.492 / Act 3: N. 17. Duettino: “Crudel! Perché finora farmi languir così?” · Machine-readable JSON-LD