1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfea9d90b7bf2160ab8df5314e743f5f10a0a9d2c4c6e405c39aa4e98e8448cd4. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f4d778cb-e027-4883-960f-60abbe641007.json and https://artists.proofprofile.net/proofs/artist/f4d778cb-e027-4883-960f-60abbe641007.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gianni Schicchi: Act I - "O mio babbino caro"
La Traviata: Act I - Brindisi "Libiamo ne'lieti" (Drinking Song)
Uplifting Classical - Music to energize your mood
La traviata, Act I: "Libiamo ne'lieti" (Brindisi )
Gianni Schicchi, Act I: "O mio babbino caro"
The Most Famous Melodies in Classical Music
Carmen: Votre Toast Je Peux Vous Rendre ('Toreador's Song') Pt. 1
Karaoke Opera: Sixteen Favourite Arias and Duets
Samson & Deliah: Mon coeur S'Ouvre a Ta Voix (Soflty Awakes My Heart) Pt. 1
Tales Of Hoffman: Belle Nuit, O Nuit D'amour (Barcarolle) Pt. 1
Tales Of Hoffman: Belle Nuit, O Nuit D'amour (Barcarolle) Pt. 3
Madama Butterfly: Un Bel Di Vedremo (One Fine Day) Pt. 1
Madama Butterfly: Un Bel Di Vedremo (One Fine Day) Pt. 2
Il Barbiere di siviglia: Largo Al Factotum (The Barber Of Seville) Pt. 1
La Traviata: Brindisi (Drinking Song) Pt. 1
La Boheme: Che Gelida Manina (Your Tiny Hand Is Frozen) Pt. 1