ISRC DEF059030440
Verified recording
DEF059030440 is “Le nozze di Figaro, K.492 / Act 2: "Quante buffonerie!"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xbb89974e6b4c40d88699cd548c9a57b1cc1d466ffb671fc9513502528c700cd9 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059030440.
Recording identifiers
- ISRC
- DEF059030440
- Title
- Le nozze di Figaro, K.492 / Act 2: "Quante buffonerie!"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xbb89974e6b4c40d88699cd548c9a57b1cc1d466ffb671fc9513502528c700cd9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:1a3395ef72fd26f33777a5f5fd4a49d32d3409d1dfe685c16554595ad6f2812a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059030440
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Le nozze di Figaro, K.492 / Act 2: "Quante buffonerie!" · Machine-readable JSON-LD