ISRC USKO11300069
Verified recording
USKO11300069 is “Overture to Marriage of Figaro, K. 492” by Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x9c929ab2502c73a0762de9a3c0464e1e4320f8667aeb4b1e512465ab2388a43d and independently timestamped
in Bitcoin block 957052 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11300069.
Recording identifiers
- ISRC
- USKO11300069
- Title
- Overture to Marriage of Figaro, K. 492
- Artist
- Mozart
- CopyrightID (CopyrightChains transaction hash)
0x9c929ab2502c73a0762de9a3c0464e1e4320f8667aeb4b1e512465ab2388a43d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:50:41+00:00
- Bitcoin block
- 957052
- Canonical record hash
sha256:f1df4bc2de10ed14b58727a16d0ec37a1fc7eb2540604495f474242e9ceedec1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11300069
- Bitcoin block existence check
- https://blockstream.info/api/block/957052
Full record
Track page: Overture to Marriage of Figaro, K. 492 · Machine-readable JSON-LD