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