ISRC USSM11303838
Verified recording
USSM11303838 is “Le nozze di Figaro, K. 492: Atto Secondo: Ah signor... signor... Cosa è stato ... Vostre dunque saran... (Antonio, Il Conte, La Contessa, Susanna, Figaro)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xfe0e401c92e5de9395898c09155e8dd2a137170cf4a797d90c0f4465952be02d and independently timestamped
in Bitcoin block 960155 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303838.
Recording identifiers
- ISRC
- USSM11303838
- Title
- Le nozze di Figaro, K. 492: Atto Secondo: Ah signor... signor... Cosa è stato ... Vostre dunque saran... (Antonio, Il Conte, La Contessa, Susanna, Figaro)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xfe0e401c92e5de9395898c09155e8dd2a137170cf4a797d90c0f4465952be02d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:13:32+00:00
- Bitcoin block
- 960155
- Canonical record hash
sha256:7dfe1fcee75b22a25e45813dcb5b7a39aca1d39e519edba7b10bb2fbaaee50e7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11303838
- Bitcoin block existence check
- https://blockstream.info/api/block/960155
Full record
Track page: Le nozze di Figaro, K. 492: Atto Secondo: Ah signor... signor... Cosa è stato ... Vostre dunque saran... (Antonio, Il Conte, La Contessa, Susanna, Figaro) · Machine-readable JSON-LD