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 0x16dc50f1ebccec4c6d3801fb73b3b3512d2d755faaa60d0369ff0a147783c133. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a3d4c67c-5451-43f0-a02c-fc3d7901e2d9.json and https://artists.proofprofile.net/proofs/artist/a3d4c67c-5451-43f0-a02c-fc3d7901e2d9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Aida / Act 1: "Se quel guerrier io fossi!..Celeste Aida"
La forza del destino / Act 3: "La vita è inferno...Oh, tu che in seno agl'angeli"
La forza del destino / Act 4: "Invano Alvaro"
Don Carlo / Act 2: "È lui! desso! L'infante!... Dio, che nell'alma infondere"
Otello / Act 2: "Oh! Mostruosa colpa!... Sì, per ciel marmoreo, giuro!”
Otello / Act 3: "Dio! mi potevi scagliar tutti i mali"
Roméo et Juliette, CG 9 / Act 2: Ah, lève-toi soleil
La Fanciulla del West / Act 3: Ch'ella mi creda libero e lontano
L'Africaine / Act 4: Pays merveilleux... O paradis
I vespri siciliani / Act 4: E di Monforte il cenno!... Giorno di pianto
Pagliacci / Act 1: Recitar!... Vesti la giubba
Manon Lescaut / Act 1: Donna non vidi mai
Andrea Chénier / Act 1: Un dì all'azzurro spazio
La Fanciulla del West / Act 2: Una parola sola... Or son sei mesi
La forza del destino / Act 3: La vita è inferno... O tu che in seno agl'angeli
Verdi: Aida, Act 1: "Se quel guerrier io fossi!...Celeste Aida”
Verdi: Il Trovatore, Act 3: "Di quella pira"