ISRC US5541304622
Verified recording
US5541304622 is “The Marriage of Figaro, K. 492: Cherubin's Song - "Voi Che Sapete" (Instrumental Version)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x04a0b8aa4d8deb1adb38e453db79b8323ea9f67fca7fe7836bc30fb0818926ca and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5541304622.
Recording identifiers
- ISRC
- US5541304622
- Title
- The Marriage of Figaro, K. 492: Cherubin's Song - "Voi Che Sapete" (Instrumental Version)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x04a0b8aa4d8deb1adb38e453db79b8323ea9f67fca7fe7836bc30fb0818926ca
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:c0235ec9b0538a4b8e1173f3d978848585488d3f95b4e7e1ea40e4fc595f4c57- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5541304622
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: The Marriage of Figaro, K. 492: Cherubin's Song - "Voi Che Sapete" (Instrumental Version) · Machine-readable JSON-LD