ISRC DEF056830130
Verified recording
DEF056830130 is “Le nozze di Figaro, K.492 / Act 1: "Cosa sento! tosto andate"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x421dc08afb612cfb6c2d8061c259d4cbb94a4b36e39894d8160e6258a246b9b1 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/DEF056830130.
Recording identifiers
- ISRC
- DEF056830130
- Title
- Le nozze di Figaro, K.492 / Act 1: "Cosa sento! tosto andate"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x421dc08afb612cfb6c2d8061c259d4cbb94a4b36e39894d8160e6258a246b9b1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:cf6fa5c8cf9f6807c51f36b91405abd39b8f3760ab244973bd62e2d2ab5d305a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056830130
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Le nozze di Figaro, K.492 / Act 1: "Cosa sento! tosto andate" · Machine-readable JSON-LD