ISRC USSM11303803
Verified recording
USSM11303803 is “Le nozze di Figaro, K. 492: Atto Primo: Se vuol ballare signor Contino (No. 3, Cavatina: Figaro)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x87cfa3508c3dbc4a3d52d4dc9e2713ac8e7b32b48f264f25c1c6b91d62b6d5e4 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303803.
Recording identifiers
- ISRC
- USSM11303803
- Title
- Le nozze di Figaro, K. 492: Atto Primo: Se vuol ballare signor Contino (No. 3, Cavatina: Figaro)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x87cfa3508c3dbc4a3d52d4dc9e2713ac8e7b32b48f264f25c1c6b91d62b6d5e4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:8a0c7d7f46bf940125140610f809cda293608bab0fea1812913073c02b699c1b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303803
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Le nozze di Figaro, K. 492: Atto Primo: Se vuol ballare signor Contino (No. 3, Cavatina: Figaro) · Machine-readable JSON-LD