ISRC USSM10014774
Verified recording
USSM10014774 is “Largo al factotum from Act I of Il Barbiere di Siviglia” by Gioachino Rossini,
registered on the CopyrightChains blockchain with CopyrightID
0x09e6d1dd5a793be0da20a6dcdc52ee9936f7c3f0150d43e3425bb6f6434fb12e and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10014774.
Recording identifiers
- ISRC
- USSM10014774
- Title
- Largo al factotum from Act I of Il Barbiere di Siviglia
- Artist
- Gioachino Rossini
- CopyrightID (CopyrightChains transaction hash)
0x09e6d1dd5a793be0da20a6dcdc52ee9936f7c3f0150d43e3425bb6f6434fb12e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ab2ac8cc6952eea608c14dd27e08c099c6e6f87e639fb5aacd4b711b62886eeb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10014774
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Largo al factotum from Act I of Il Barbiere di Siviglia · Machine-readable JSON-LD