ISRC USSM11303837
Verified recording
USSM11303837 is “Le nozze di Figaro, K. 492: Atto Secondo: Conoscete, signor Figaro (Il Conte, Figaro, La Contessa, Susanna)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x3dbeeba1c626c0ed146a2187f8e87dbc249ad59243e312a2c8a09c76a0205a63 and independently timestamped
in Bitcoin block 957011 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303837.
Recording identifiers
- ISRC
- USSM11303837
- Title
- Le nozze di Figaro, K. 492: Atto Secondo: Conoscete, signor Figaro (Il Conte, Figaro, La Contessa, Susanna)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x3dbeeba1c626c0ed146a2187f8e87dbc249ad59243e312a2c8a09c76a0205a63
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T08:25:35+00:00
- Bitcoin block
- 957011
- Canonical record hash
sha256:d695155d3597e4890fb1baaf25ab13bc90ee6f0ac7fcbf2622c785098ce27b33- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303837
- Bitcoin block existence check
- https://blockstream.info/api/block/957011
Full record
Track page: Le nozze di Figaro, K. 492: Atto Secondo: Conoscete, signor Figaro (Il Conte, Figaro, La Contessa, Susanna) · Machine-readable JSON-LD