ISRC DEF059330342
Verified recording
DEF059330342 is “Le nozze di Figaro, K.492 / Act 2: "Bravo! che bella voce!"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb75c1c4ec0dca4b681869aeacf2181b7a2b0edbb507fa1521296a1d9cf5c1312 and independently timestamped
in Bitcoin block 960349 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059330342.
Recording identifiers
- ISRC
- DEF059330342
- Title
- Le nozze di Figaro, K.492 / Act 2: "Bravo! che bella voce!"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb75c1c4ec0dca4b681869aeacf2181b7a2b0edbb507fa1521296a1d9cf5c1312
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:23:41+00:00
- Bitcoin block
- 960349
- Canonical record hash
sha256:b3fe58dbc3c4c0e76ebfab83c2696568ade65b78f7183a023a4c301939bfe0fd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059330342
- Bitcoin block existence check
- https://blockstream.info/api/block/960349
Full record
Track page: Le nozze di Figaro, K.492 / Act 2: "Bravo! che bella voce!" · Machine-readable JSON-LD