ISRC DEF056830139
Verified recording
DEF056830139 is “Le nozze di Figaro, K.492 / Act 2: "Che novità!"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xf994ca6083448bb2291d9072bc4c0713d1f381b4fe6a51b3e8e86099d9c99a89 and independently timestamped
in Bitcoin block 960209 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056830139.
Recording identifiers
- ISRC
- DEF056830139
- Title
- Le nozze di Figaro, K.492 / Act 2: "Che novità!"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xf994ca6083448bb2291d9072bc4c0713d1f381b4fe6a51b3e8e86099d9c99a89
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:15:54+00:00
- Bitcoin block
- 960209
- Canonical record hash
sha256:692e351ce0e0559eaefb4edacd2ad5a333511eabf203074a0f2358895183f6f6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056830139
- Bitcoin block existence check
- https://blockstream.info/api/block/960209
Full record
Track page: Le nozze di Figaro, K.492 / Act 2: "Che novità!" · Machine-readable JSON-LD