ISRC CZA162253354
Verified recording
CZA162253354 is “The Barber of Seville: Figaro's Cavatina „Largo al factotum della città"” by Milan Řehák,
registered on the CopyrightChains blockchain with CopyrightID
0x2e58f4238485daaef2af6763554c8292c3a509d790c4d8164b18e3c22a481a3e 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/CZA162253354.
Recording identifiers
- ISRC
- CZA162253354
- Title
- The Barber of Seville: Figaro's Cavatina „Largo al factotum della città"
- Artist
- Milan Řehák
- CopyrightID (CopyrightChains transaction hash)
0x2e58f4238485daaef2af6763554c8292c3a509d790c4d8164b18e3c22a481a3e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:11d9178134d54831feecf90506bf97a5e4482357729ef07ac964338a30873df4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162253354
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Barber of Seville: Figaro's Cavatina „Largo al factotum della città" · Machine-readable JSON-LD