ISRC DEF059330335
Verified recording
DEF059330335 is “Le nozze di Figaro, K.492 / Act 1: "Cosa sento! tosto andate"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x94dd0f1ea49026a409490c7e27eb0a4829ccfafcb2fa325ddb3efada9b4d1c96 and independently timestamped
in Bitcoin block 960200 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059330335.
Recording identifiers
- ISRC
- DEF059330335
- Title
- Le nozze di Figaro, K.492 / Act 1: "Cosa sento! tosto andate"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x94dd0f1ea49026a409490c7e27eb0a4829ccfafcb2fa325ddb3efada9b4d1c96
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:37:10+00:00
- Bitcoin block
- 960200
- Canonical record hash
sha256:1a8471692a7fe6f806ad9dee2840d6dc300974d284bea8ed3782b488cdb569c7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059330335
- Bitcoin block existence check
- https://blockstream.info/api/block/960200
Full record
Track page: Le nozze di Figaro, K.492 / Act 1: "Cosa sento! tosto andate" · Machine-readable JSON-LD