ISRC USBC19000250
Verified recording
USBC19000250 is “Le nozze di Figaro, K. 492: Deh vieni, non tardar” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x2c2422e04751377d07df7072c7cb2712dac0b3f0ce7523b69741ae1c878daaed 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/USBC19000250.
Recording identifiers
- ISRC
- USBC19000250
- Title
- Le nozze di Figaro, K. 492: Deh vieni, non tardar
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x2c2422e04751377d07df7072c7cb2712dac0b3f0ce7523b69741ae1c878daaed
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:50:41+00:00
- Bitcoin block
- 957052
- Canonical record hash
sha256:1cbc04a2aa18f95993c9c4e46bdc55abad102bd7c822d7c2643cbd0a29e04406- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC19000250
- Bitcoin block existence check
- https://blockstream.info/api/block/957052
Full record
Track page: Le nozze di Figaro, K. 492: Deh vieni, non tardar · Machine-readable JSON-LD