ISRC DEF056830128
Verified recording
DEF056830128 is “Le nozze di Figaro, K.492 / Act 1: "Va'là, vecchia pedante"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xf451229ec5d52e1f7a94db8b12f2243b3ae7aba10d37808b2dce9ebe48008341 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056830128.
Recording identifiers
- ISRC
- DEF056830128
- Title
- Le nozze di Figaro, K.492 / Act 1: "Va'là, vecchia pedante"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xf451229ec5d52e1f7a94db8b12f2243b3ae7aba10d37808b2dce9ebe48008341
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:a8025f4145ca93c9af7d6bc680217b2c95abf6c06a36a49f57c1205db4c3d911- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056830128
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Le nozze di Figaro, K.492 / Act 1: "Va'là, vecchia pedante" · Machine-readable JSON-LD