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 0x4fce6d2f5e21f4002c5768622cfca153f7ebb9bb11f15fab8ec72ede35ce51f1. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5e9686a3-a9b9-41e7-838a-51086d7ebdec.json and https://artists.proofprofile.net/proofs/artist/5e9686a3-a9b9-41e7-838a-51086d7ebdec.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Orchestra dell'Accademia Nazionale di Santa Cecilia
Rigoletto / Act 1: "Figlia!..Mio padre!"
Rigoletto - original version - Act 1: "T'amo! T'amo..."
Rigoletto / Act 1: "Gualtier Maldè...Caro nome"
Coro dell'Accademia Nazionale Di Santa Cecilia
Rigoletto / Act 2: "Parmi veder le lagrime"
Rigoletto / Act 2: "Povero Rigoletto!...La rà, la rà"
Rigoletto - original version - Act 2: "Cortigiani, vil razza dannata"
Rigoletto - original version - Act 2: Tutte le feste al tempio...Piangi, fanciulla
Rigoletto / Act 3: "Bella figlia dell'amore"
Rigoletto / Act 3: "V'ho ingannato...Lassù... in cielo"
Ernani: Surta è la notte - Ernani! Ernani, involami
Ernani: Mercè, diletti amici - Come rugiada al cespite
Rigoletto: Cortigiani, vil razza dannata
Il Trovatore: Ah, sì, ben mio, coll'essere
Il Trovatore: Di quella pira l'orrendo foco
La traviata: Di Provenza il mar, il suol
Un ballo in maschera: Saper vorreste di che se veste
Falstaff: Ehi paggio!... L' onore! Ladri!
Eugene Onegin, Op. 24, TH.5 / Act 1: Introduction
Eugene Onegin, Op. 24, TH.5 / Act 2: Entr'acte and Waltz with Chorus. "Vot tak syurpriz!"
Eugene Onegin, Op. 24, TH.5 / Act 1: "Slikhali l vi za roschei glas nochnoi"
Eugene Onegin, Op. 24, TH.5 / Act 2: Scene and Couplets. "Uzhel ya zasluzhil ot nasmyeshku etu?"
Eugene Onegin, Op. 24, TH.5 / Act 1: Peasants' Chorus and Dance. "Bolyat moyi skori nozhenki so pokhodushki" - "Uzh kak po mostu, mostochku"
Eugene Onegin, Op. 24, TH.5 / Act 2: "A cette fête conviés"
Eugene Onegin, Op. 24, TH.5 / Act 1: "Kak ya lyublyu pod zvuki pesen etikh...Uzh kak po mostu, mostochku"
Eugene Onegin, Op. 24, TH.5 / Act 2: Mazurka and Scene. "Messieurs, mesdames, mesta zanyat izvolte" - "Ti ne tantsuyesh, Lenski?"
Eugene Onegin, Op. 24, TH.5 / Act 1: Scene. "Nu ti, moya vostrushka"
Eugene Onegin, Op. 24, TH.5 / Act 2: Finale. "V vashem dome! V vashem dome!"
Eugene Onegin, Op. 24, TH.5 / Act 1: Scene and Quartet. "Mesdames! Ya na sebya vzyal smyelost"
Eugene Onegin, Op. 24, TH.5 / Act 2: Introduction, Scene and Aria. "Nu, shto zhe?"
Eugene Onegin, Op. 24, TH.5 / Act 1: "Skazhi, kotoraya Tatyana"
Eugene Onegin, Op. 24, TH 5 / Act II: "Kuda, kuda, kuda vi udalilis"
Eugene Onegin, Op. 24, TH.5 / Act 1: Scene and Arioso. "Kak shchastliv, kak shchastliv ya!" - "Ya lyublyu vas"
Eugene Onegin, Op. 24, TH.5 / Act 2: Duel Scene. "A, vot oni!"
Eugene Onegin, Op. 24, TH.5 / Act 1: Closing scene. "A, vot i vi!"
Eugene Onegin, Op. 24, TH.5 / Act 3: Polonaise
Eugene Onegin, Op. 24, TH.5 / Act 1: Introduction and Scene. "Nu, zaboltalas ya!"
Eugene Onegin, Op. 24, TH.5 / Act 3: Scene and Aria. "I zdyes mnye skuchno!"
Eugene Onegin, Op. 24, TH.5 / Act 1: Letter scene. "Puskai pogilabnu ya, no pryezhde"
Eugene Onegin, Op. 24, TH.5 / Act 3: "Knyaginya Gremina! Smotrite!"
Eugene Onegin, Op. 24, TH.5 / Act 1: Scene and Duet. "Akh, noch minula"
Eugene Onegin, Op. 24, TH.5 / Act 3: "Lyubvi vsye vozrasti pokorni"
Eugene Onegin, Op. 24, TH.5 / Act 1: Servant Girls' Chorus. "Dyevitsi, krasavitsi"
Eugene Onegin, Op. 24, TH.5 / Act 3: Scene and Arioso. "Itak, poidyom, tebya predstavlyu ya" - "Uzhel ta samaya Tatyana"
Eugene Onegin, Op. 24, TH.5 / Act 1: Scene and Aria. "Zdyes on, zdyes on, Yevgeni!"
Eugene Onegin, Op. 24, TH.5 / Act 3: Closing Scene. "O! Kak mnye tyazhelo!"
Eugene Onegin, Op. 24, TH.5 / Act 1: "Kogda bi zhizn domashnim krugom"
Eugene Onegin, Op. 24, TH.5 / Act 3: "Onegin! Ya togda molozhe"
Verdi: La traviata, Act 1: "Un dì felice" (Alfredo, Violetta, Gastone)
La traviata, Act I: Libiamo, ne'lieti calici (Violetta, Alfredo, Choir)
La traviata, Act I: Un dì felice (Alfredo, Violetta, Gastone)
Puccini: Il tabarro: "Dimmi, perchè gli hai chiesto di sbarcarti a Rouen?" (Giorgetta, Luigi)
Eugene Onegin, Op. 24, TH 5 / Act 2: "Kuda, kuda, kuda vi udalilis"
Musikstadt Dresden: Große Komponisten Vol.2