ISRC USX760500160
Verified recording
USX760500160 is “The Marriage of Figaro ("Le Nozze de Figaro"), K.492: Act II - "Voi che sapete"” by Bulgarian National Radio Symphony Orchestra,
registered on the CopyrightChains blockchain with CopyrightID
0x321de8f7488d7a78e8855ef4bcf2928e05b87ac5dd496ea8f59205bbbe9f2786 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX760500160.
Recording identifiers
- ISRC
- USX760500160
- Title
- The Marriage of Figaro ("Le Nozze de Figaro"), K.492: Act II - "Voi che sapete"
- Artist
- Bulgarian National Radio Symphony Orchestra
- CopyrightID (CopyrightChains transaction hash)
0x321de8f7488d7a78e8855ef4bcf2928e05b87ac5dd496ea8f59205bbbe9f2786
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:92d83c05739a9df0f9affa6e4eb9eb1c8471b5252c814f079bf4f2f9c47d8e8d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX760500160
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Marriage of Figaro ("Le Nozze de Figaro"), K.492: Act II - "Voi che sapete" · Machine-readable JSON-LD