ISRC GBF075540227
Verified recording
GBF075540227 is “Le nozze di Figaro, K.492 / Act 4: "L'ho perduta...Barbarina, cos'hai?"” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x5fd4dde4c1c8c273fa7b523b987804e2f8fae90ab14c9761f5f022a9b715e603 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075540227.
Recording identifiers
- ISRC
- GBF075540227
- Title
- Le nozze di Figaro, K.492 / Act 4: "L'ho perduta...Barbarina, cos'hai?"
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x5fd4dde4c1c8c273fa7b523b987804e2f8fae90ab14c9761f5f022a9b715e603
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:8c0ae11113c5c495b91a9e046ad4ad06382fd731ced50d9c601e0a848b2cdc9f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075540227
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Le nozze di Figaro, K.492 / Act 4: "L'ho perduta...Barbarina, cos'hai?" · Machine-readable JSON-LD