ISRC USSM10401737
Verified recording
USSM10401737 is “Voi che sapete from Le nozze di Figaro (The Marriage of Figaro), K. 492 (Act II)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xac12c40dd29bb4f9ece88f45854c505a0ca0c6261c4dae5350c8db14dee85b9d and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10401737.
Recording identifiers
- ISRC
- USSM10401737
- Title
- Voi che sapete from Le nozze di Figaro (The Marriage of Figaro), K. 492 (Act II)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xac12c40dd29bb4f9ece88f45854c505a0ca0c6261c4dae5350c8db14dee85b9d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:a67afd40a0f100c7974b0aa10731aef28e13701a7fff9845a7ebe40c15556e12- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10401737
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Voi che sapete from Le nozze di Figaro (The Marriage of Figaro), K. 492 (Act II) · Machine-readable JSON-LD