ISRC USSM19925179
Verified recording
USSM19925179 is “Largo al factotum from The Barber of Seville - Vocal” by Gioachino Rossini,
registered on the CopyrightChains blockchain with CopyrightID
0x2076888f53ae978203e8b35e1bea1a4c5a2be5cc3a04198c8d816e2cc28abc57 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19925179.
Recording identifiers
- ISRC
- USSM19925179
- Title
- Largo al factotum from The Barber of Seville - Vocal
- Artist
- Gioachino Rossini
- CopyrightID (CopyrightChains transaction hash)
0x2076888f53ae978203e8b35e1bea1a4c5a2be5cc3a04198c8d816e2cc28abc57
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:a12bea44b419fe258c0d8753ed4a138dd53e261bb9617e652d98bd437782bc4b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19925179
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Largo al factotum from The Barber of Seville - Vocal · Machine-readable JSON-LD