ISRC DEF056830136
Verified recording
DEF056830136 is “Le nozze di Figaro, K.492 / Act 2: "Quanto duolmi, Susanna"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x1f8c729eaa928082b4bd0141391ff02731b6ad67eb0913c85c35361f56a9dd25 and independently timestamped
in Bitcoin block 960220 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056830136.
Recording identifiers
- ISRC
- DEF056830136
- Title
- Le nozze di Figaro, K.492 / Act 2: "Quanto duolmi, Susanna"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x1f8c729eaa928082b4bd0141391ff02731b6ad67eb0913c85c35361f56a9dd25
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T07:28:30+00:00
- Bitcoin block
- 960220
- Canonical record hash
sha256:fd86cf6301b96842769b47a3f070b60254abc233afb423b24f083d48f6356e44- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056830136
- Bitcoin block existence check
- https://blockstream.info/api/block/960220
Full record
Track page: Le nozze di Figaro, K.492 / Act 2: "Quanto duolmi, Susanna" · Machine-readable JSON-LD