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 0x26d7552cda8f3d5390dc760be407c849ea25bc20640d69e98026959030252559. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2c95f962-d330-45ad-addc-f3b8b65b022b.json and https://artists.proofprofile.net/proofs/artist/2c95f962-d330-45ad-addc-f3b8b65b022b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Berg: Violin Concerto; Brahms: Tragic Overture; Alto Rhapsody; Kodály: Psalmus Hungaricus
Violin Concerto "To the Memory of an Angel": 1. Andante - Allegro
Violin Concerto "To the Memory of an Angel": 2. Allegro - Adagio
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"
All-Night Vigil, Op. 37: Psalm 103 (104), "O praise the Lord"
Gloria, RV 589: Qui sedes ad dexteram Patris
Grand Choir of All-Union National Radio Service and Central Television Networks
The Queen of Spades, Op. 68: No. 7, Duet of Lisa and Polina "Uzh vecher... Oblakov pomerknuli kraya"
The Queen of Spades, Op. 68, Act I Scene 2: Duet "Uzh vecher"
Tchaikovsky: The Queen of Spades, Op. 68
The Queen of Spades, Op. 68, Act I Scene 2: Scene, Romance and Russian Song with Chorus "Obvorozhitelno!"
The Queen of Spades, Op. 68, Act I Scene 2: Scene, Romance and Russian Song with Chorus "Podrugi milye"
The Queen of Spades, Op. 68, Act I Scene 2: Scene, Romance and Russian Song with Chorus "Nu-ka svetik, Mashenka"