ISRC DEF059330343
Verified recording
DEF059330343 is “Le nozze di Figaro, K.492 / Act 2: "Quante buffonerie!"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x2c22ce2f398253f9c07dba5a24c3b22ed077443d9ff09acfbffd81769b8e19ce and independently timestamped
in Bitcoin block 960266 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059330343.
Recording identifiers
- ISRC
- DEF059330343
- Title
- Le nozze di Figaro, K.492 / Act 2: "Quante buffonerie!"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x2c22ce2f398253f9c07dba5a24c3b22ed077443d9ff09acfbffd81769b8e19ce
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:44:50+00:00
- Bitcoin block
- 960266
- Canonical record hash
sha256:bef618ddd1069dbf1eb372a45d38ecd652e37b5504b1b098b707832389ee9580- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059330343
- Bitcoin block existence check
- https://blockstream.info/api/block/960266
Full record
Track page: Le nozze di Figaro, K.492 / Act 2: "Quante buffonerie!" · Machine-readable JSON-LD