ISRC DEF059330341

Verified recording

DEF059330341 is “Le nozze di Figaro, K.492 / Act 2: Quanto duolmi, Susanna (Contessa, Susanna, Cherubino)” by Wolfgang Amadeus Mozart, registered on the CopyrightChains blockchain with CopyrightID 0x749d6700deb3e99f868d427e6e537468efa42843541510aba0a133746df0c415 and independently timestamped in Bitcoin block 960344 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059330341.

Recording identifiers

ISRC
DEF059330341
Title
Le nozze di Figaro, K.492 / Act 2: Quanto duolmi, Susanna (Contessa, Susanna, Cherubino)
Artist
Wolfgang Amadeus Mozart
CopyrightID (CopyrightChains transaction hash)
0x749d6700deb3e99f868d427e6e537468efa42843541510aba0a133746df0c415

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T04:14:58+00:00
Bitcoin block
960344
Canonical record hash
sha256:bb29ee29ebd10bec78c3592d71e959183f7942aea19c0afccc4876cfacc748d4
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059330341
Bitcoin block existence check
https://blockstream.info/api/block/960344

Full record

Track page: Le nozze di Figaro, K.492 / Act 2: Quanto duolmi, Susanna (Contessa, Susanna, Cherubino) · Machine-readable JSON-LD