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 0xc1fb49e218e6dd32d6beb626fa9e5cdf94a400af19149e85ee667cb7ce6890f0. Chain 2 (Bitcoin): anchored in block 953687 (2026-06-14T20:19:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/691ae6d9-039e-47d6-b444-d63cef290c3e.json and https://artists.proofprofile.net/proofs/artist/691ae6d9-039e-47d6-b444-d63cef290c3e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Das Land des Lachelns (The Land of Smiles) (Sung in Hungarian): Act I: Immer nur lacheln und immer vergnugt
Das Land des Lachelns (The Land of Smiles) (Sung in Hungarian): Act I: Introduction and Entrance: Hoch soll sie leben
Das Land des Lachelns (The Land of Smiles) (Sung in Hungarian): Act I: Duet: Bei einem Tee a deux
Das Land des Lachelns (The Land of Smiles) (Sung in Hungarian): Act I: Von Apfelbluten einen Kranz
Das Land des Lachelns (The Land of Smiles) (Sung in Hungarian): Act I: Finale: Es wird schon so sein
Das Land des Lachelns (The Land of Smiles) (Sung in Hungarian): Act II: Als Gott die Welt erschuf
Das Land des Lachelns (The Land of Smiles) (Sung in Hungarian): Act II: Dein ist mein ganzes Herz!
Das Land des Lachelns (The Land of Smiles) (Sung in Hungarian): Act II: Duet: Dich sehe ich, und nur dich sehe ich, Lotusblume!
Das Land des Lachelns (The Land of Smiles) (Sung in Hungarian): Act II: Duet of Mi and Ferry
Das Land des Lachelns (The Land of Smiles) (Sung in Hungarian): Act II: Finale: Ihr Gotter, sagt, was ist mir gescheh'n?
Gold und Silber (Gold and Silver), Op. 79: Waltz
Giuditta (Sung in Hungarian): Scene 4: Szerelemittas gyonyor (In einem Meer von Liebe mocht ich ganz versinken)
Giuditta (Sung in Hungarian): Scene 3: Jojj, eletem fenye (Welch tiefes ratsel ist die liebe - Du bist sonne)
Giuditta (Sung in Hungarian): Scene 2: Jojj, mosolyog mar fenn a hold (Schon wie die blaue Sommernacht)
Giuditta (Sung in Hungarian): Scene 3: Olyan forro ajkamrol a csok (Kiss is burning from my lips)
Tatarjaras (The Gay Hussars): Adj egy edes csokot (Sung in Hungarian)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act I: Sylvia belepoje
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act I: Jaj, cica
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act II: Te rongyos elet
Grafin Mariza (Countess Mariza) (Sung in Hungarian): Marica belepoje
Grafin Mariza (Countess Mariza) (Sung in Hungarian): Hej, cigany
Grafin Mariza (Countess Mariza) (Sung in Hungarian): Mondd meg, hogy imaadom
Das Veilchen vom Montmartre (The Violet of Montmartre): Ma Onrol almodtam megint (Sung in Hungarian)
Die lustige Witwe (The Merry Widow): Vilja dala (Sung in Hungarian)
Zigeunerliebe (Sung in Hungarian): Zorika, Zarika jojj haza mar
Zigeunerliebe (Sung in Hungarian): Messze hiv a nagyvilag
Der Zarewitsch (Sung in Hungarian): Volga-dal
Der Zarewitsch (Sung in Hungarian): Igy meg soha mast
Friederike (Frederica): O lanyka, o lanykam (Sung in Hungarian)
Das Land des Lachelns (The Land of Smiles) (Sung in Hungarian): Mi belepoje
Das Land des Lachelns (The Land of Smiles) (Sung in Hungarian): Vagyom egy no utan
50 Years of Hungaraton (1951-2000): Singers
The Queen of Spades, Op. 68, Act II: Ya vas lyublyu, bezmerno
Aida: Aida, Act IV: Presago il core della tua condanna
A Kekszakallu herceg vara (Bluebeard's Castle), BB 62: Varam sotet tove reszket
Il barbiere di Siviglia (The Barber of Seville), Act I: Aria: La calunnia e un venticello
Manon Lescaut, Act II: Duet: Ah, en leszek a legszebb
La traviata: La Traviata, Act II: Aria: Di Provenza il mar, il suol
Faust: Faust, Act II: Il se fait tard, Adieu!
Juditha triumphans devicta Holofernes barbarie, RV 644: Aria: Agitata infido flatu diu
Il trovatore, Act IV: Mira, di acerbe lagrime
Bank ban, Act I: Drinking Song: Bordalt, Petur … Ha ferfilelkedet (Well then … If ever two dark eyes)
I Lombardi all prima crociata, Act IV: In cielo benedetto - Qual prodigo - Non fu sogno
Bank ban: Act II: Aria: Olj meg engemet, Bank (Bank, I beg you kill me)
Szekely fono (The Transylvanian Spinning Room): Bizony csak meghalok (I am dying surely, mother)
Bank ban: Act II: Duet: Bank ban! Te itt? (Bank ban! You here?)
Die Zauberflote (The Magic Flute), K. 620, Act II: Duet: Pa, pa, pa Papageno (Sung in Hungarian)
Rigoletto, Act III: Bella figlia dell'amore
La forza del destino, Act II: Or siam soli
Macbeth (Live): Act IV: Perfidi! All'anglo contra me v'unite!
Szekely fono (The Transylvanian Spinning Room): El kene indulni (Wise it were and timely)
Die Entfuhrung aus dem Serail, K. 384: Act I: Aria: Hier soll ich dich denn sehen
Falstaff, Act II: Finale secondo: Siete gia qui?
Hary Janos: Adventure 1: Drinking Song: O, mely sok hal
Faust: Faust, Act II: Cavatina: Salut! demeure chaste et pure
La Gioconda, Act II: Romance: Ho il cor … Stella del marinar
Hary Janos: Adventure 4: Duet with Chorus: Gyujtottam gyertyat
L'infedelta delusa, Hob.XXVIII:5, Act II: Finale: Nel mille settecento
Il Pastor fido, HWV 8, Act II: Aria: Caro Amor
La traviata, Act I: Libiamo ne' lieti calici
L'Olimpiade, RV 725, Act II: Aria: Se tu sprezzar pretendi
Floridante, HWV 14: Act I: Duet: Ah, mia cara
Turandot, Act III: Tu che guardi le stelle
Floridante, HWV 14: Act II: Duet: Fuor di periglio
Die Zauberflote (The Magic Flute), K. 620, Act I: Wie stark ist nicht dein Zauberton!
Hary Janos: Adventure 3: Song: Hagyj beket, viaskodo
Juditha triumphans devicta Holofernes barbarie, RV 644, Part I: Aria: Sede, o cara
Lohengrin, Act III: In fernem Land, unnahbar eu'ren Schritten
Moise et Pharaon (Moses and Pharaoh), Act II: Quintet: Celeste man placata!
Terpsicore, HWV 8b: Il Pastor Fido, HWV 8b: Aria: Hai tanto rapido
Mefistofele, Act I: The Pact: Dai campi, dai prati
Nuits d'Ete a Pausilippe: No. 8. L'aurora
Lucia di Lammermoor, Act II: Chi mi frena in tal momento? (Sung in Hungarian)
Die Zauberflote (The Magic Flute), K. 620, Act II: O Isis und Osiris
Tosca: Tosca, Act I: Tre sbirri, una carrozza
Don Giovanni, K. 527, Act II: Aria: Vedrai, carino
Bizet: Carmen (Excerpts) (Sung in Hungarian)
Carmen: Carmen, Act I: Choeur des Gamins: Mi is jottunk felvonulni (Avec la garde montante) (Morales, Don Jose, Children's Chorus)
Carmen: Carmen, Act I: Mert a szerelem mint a lepke (L'amour est un oiseau rebelle), "Habanera" (Carmen, Chorus)
Carmen: Carmen, Act I: Duet: Beszelj, beszelj anyamrol (Parle-moi de ma mere) (Don Jose, Micaela)
Carmen: Carmen, Act I: Seguidilla: Pajtasom, jo Lillas Pastia (Pres des remparts de Seville) (Carmen, Don Jose)
Carmen: Carmen, Act II: Udvozlom (Votre toast), "Toreador's Song" (Escamillo, Frasquita, Mercedes, Carmen, Zuniga, Morales, Chorus)
Carmen: Carmen, Act II: Quintet: Szornyu fontos ugy jo itt szoba (Nous avons en tete une affaire) (Dancaire, Mercedes, Frasquita, Remendado, Carmen)
Carmen: Carmen, Act II: Aria: Buvos ero volt e viragban (La fleur que tu m'avais jetee) (Don Jose)
Carmen: Carmen, Act III: Trio: Keverd! (Melons!) (Frasquita, Mercedes, Carmen)
Carmen: Carmen, Act III: Recitative: Itt van a sziklas ut (C’est des contrebandiers) – Aria: A szivemnek hiaba mondom (Je dis que rien ne m’epouvante) (Micaela)
Carmen: Carmen, Act IV: Final Duet: Te vagy? (C'est toi?) (Carmen, Don Jose, Chorus)
Carmen: Carmen, Act II: Koszonom (Votre toast), "Toreador's Song" (Escamillo, Chorus)
Opera 125 (Stars of the Hungarian Opera, Vol. 1/4, 1884-2009)
Les Huguenots, Act I: Piff, paff, piff, cernons-les!
Cavalleria rusticana, Drinking Song: Viva il vino spumeggiante
Faust: Faust, Act II: Valentine's Prayer
Lakmé: Blumenduett (Lara Croft Tomb Raider): Lakme, Act II: Ou va la jeune indoue, "Bell Song"
Lohengrin, Act III Scene 3: Mein lieber Schwan!, "Lohengrin's Farewell"
8 Hungarian Folksongs, BB 47: No. 6. Toltik a nagyerdo utjat (They are mending the great forest highway)
Samson et Dalila, Op. 47, Act I: Printemps qui commence (Fair is returning)
Bank ban, Act II: Aria: Mint szamuzott, ki vandoro! (Just as a homeless wanderer)
Khovanshchina, Act II: Shaklovitiy's Aria
Tristan und Isolde, Act III: Tristan's Vision
Hungarian Radio And Television Symphony Orchestra
Das Rheingold, Scene 4: Bin ich nun frei
Così fan tutte, K. 588: Cosi fan tutte, K. 588, Act I: Aria: Un'aura amorosa
Les contes d'Hoffmann (The Tales of Hoffmann), Act III: Song of Frantz
Fidelio, Op. 72, Act I: Aria: Abscheulicher! Wo eilst du hin?
Die Entfuhrung aus dem Serail (Abduction from the Seraglio), K. 384, Act III: Ha, wie will ich triumphieren
Die Fledermaus (Sung in Hungarian): Adel dala
Die Fledermaus (Sung in Hungarian): Csardas
Die Dubarry: Jeanne dala (Sung in Hungarian)
Der letzte Walzer: Rozsadal (Sung in Hungarian)
Giuditta: Mas nem csokol (Sung in Hungarian)
Paganini: Szep alom szallj szivemre (Sung in Hungarian)
Lili Barono (Baroness Lili): Egy ferfi kepe
Kiss Me, Kate: Ujbol es ujbol (Sung in Hungarian)
A kutya, akit Bozzi urnak hivnak: Csoda kell
My Fair Lady: Ma ejjel tandolnek (Sung in Hungarian)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act I: Elojatek
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act I: Hogyha sziven kered tolem (Szilvia, Chorus)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act I: A lanyok, lanyok, a lanyok angyalok (Feri, Boni, Chorus)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act I: Egy a szivem, egy a parom (Edwin, Szilvia)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act I: Jaj, cica (Boni)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act I: Nincs szebb, mint a szerelem, az asszony osszetor (Szilvia, Edwin, Boni)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act I: Hajmasi Peter, Hajmasi Pal (Feri, Miska, Cecilia)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act I: Finale (Feri, Szilvia, Boni, Miska, Chorus)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act II: Tanckeringo (Chorus)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act II: Tul az operencian (Stazi, Edwin)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act II: Emlekszel meg (Szilvia, Edwin)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act II: Hurra, hurra (Edwin, Boni, Stazi, Szilvia)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act II: Te rongyos elet (Boni, Stazi)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act II: Alom, alom, edes alom (Edwin, Szilvia)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act II: Finale (All)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Act III: Finale (All)
Zeller, C.: Vogelhandler (Der) / Millocker, K.: Grafin Dubarry
Der Vogelhändler: Rhine Waltz. Rajna, tag, egi baj (Princess) [Sung in Hungarian]
Der Vogelhändler: Milka's Entrance: Viszem a postazsakot en (Milka) [Sung in Hungarian]
Der Vogelhändler: Rose Song. Tudod-e azt, Tirolban lent (Princess, Adam) [Sung in Hungarian]
Der Vogelhändler: Duet. Professor a nevem (Schoolmasters) [Sung in Hungarian]
Der Vogelhändler: Love Duet. Vigyazz, vigyazz, te szep leany (Milka, Adam) [Sung in Hungarian]
Der Vogelhändler: Adam's Song. Nagyapam meg ifju volt (Adam) [Sung in Hungarian]
Der Vogelhändler: The Princess' Song. A boldogsag madaraval tatalkoznunk de nehez (Princess) [Sung in Hungarian]
Der Vogelhändler: Trio. Hogyha latlak en (Milka, Adam, Stanislau) [Sung in Hungarian]
Grafin Dubarry: Jeanne's Song. Ma elni jo, ma elni szep (Jeanne) [Sung in Hungarian]
Grafin Dubarry: Duet. Egy a fo (Margot, Brissac) [Sung in Hungarian]
Grafin Dubarry: Duet. A majus rank talalt (Jeanne, Rene) [Sung in Hungarian]
Grafin Dubarry: Rene's Song. Mily szep az elet (Rene) [Sung in Hungarian]
Grafin Dubarry: Jeanne's Song. Mindegy nekem, mi lesz velem (Jeanne) [Sung in Hungarian]
Grafin Dubarry: Duet. Van egy kis idom (Margot, Brissac) [Sung in Hungarian]
Grafin Dubarry: Jeanne's Song. Ez o, ez o a Dubarry (Jeanne) [Sung in Hungarian]
Viski: Enigma / Violin Concerto / Piano Concerto
Violin Concerto: II. Adagio ma non troppo
Opera and Operetta Arias: Kincses, Veronika (Soprano) – Kalman, I. / Lehar, F. / Strauss, J. Ii / Zeller, C. / Huszka, J. / Planquette, R.
Gräfin Mariza: Grafin Mariza (Countess Mariza), Act I: Hore ich Zigeunergeigen … Wo wohnt die Liebe
Die lustige Witwe: Act I: Introduction: A mi hazank
Die lustige Witwe: Act II: Az otthom hangja visszater … Ott elt a lidere, "Vilja's Song"
Der Zigeunerbaron, Act I: Nagyon vigyazz, jol vigyazz, "Saffi's Gypsy Song" (Sung in Hungarian)
Die Fledermaus, Act II: Mein Herr Marquis (Marki, szivem), "Adele's Song" (Sung in Hungarian)
Wiener Blut: Act I: A ferjem nem akarta … Odvolegy, te kedves feszek, "The Countess' Song"
Wiener Blut: Act II: Ich war ein echtes Wiener Blut… Wiener Blut! (Csak egyet nem bocsatok en meg … Becsi ver), "Wiener Blut Waltz"
Der Vogelhandler, Act I: Rhine Waltz: O de szep, draga szep rajnai taj (Sung in Hungarian)
Maria fohadnagy (Corporal Maria): Act I: Duet: Szeretem … Szabad-remelnem
Maria fohadnagy (Corporal Maria): Act II: Duet: En matol kezdve csak terolad almodom
Les cloches de Corneville, Act II: Regi hagyomany, hogy bator, jo vizezek, "Germain's Song" (Sung in Hungarian)
Le pont des soupirs, Act II: Csengj, bongj, zengj, "Song of Catarina" (Sung in Hungarian)
Mesdames de la Halle: Szent eg … Jol ismer am a csarnok, "Ciboletta' Song" (Sung in Hungarian)
La vie parisienne (Parisian Life), Act IV: Rondo: Hier, au bois, j'ai vu ma charmante (A szivem dermedt, mint a jeg) (Sung in Hungarian)
Aranyvirag (Golden Flower): Duet: Szivem szivednek orokos rabja lett
Symphonic Orchestra of The Hungarian Radio And Television
The Circus Princess: A Szep Kis Cirkusztansosnok
The Circus Princess: En Edes, Draga Ferjem
The Circus Princess: Mert Busulni Van Meq Ido
The Circus Princess: Grete, Jojj A Viragos Retre
The Circus Princess: Mama Itt, Holnap Ott
The Circus Princess: Eg Aldjon, Galambom
The Circus Princess: Oh, De Csndaszep Regeny
The Csardas Princess, Prelude: One Heart, One Sweetheart
The Csardas Princess, Act 1: Do You Remember?
The Csardas Princess, Act 1: In Wonderland We'll Be Happy
The Csardas Princess, Act 1: Dream, Dream
The Csardas Princess, Act 2: Foolish Life
The Csardas Princess, Act 2: Sylvia's Entrance Song
The Csardas Princess, Act 3: The Girls Are Angelic
The Csardas Princess, Act 3: Women Do Worry Us
The Csardas Princess, Act 3: Hajmasi Peter, Hajmasi Paul
Malédiction: Legenda E-dúr - Ballade h-moll
Symphony Orchestra of the Hungarian Radio and Television
2 Légendes, S.175: St François de Paule: Marchant sur les flots
2 Légendes, S.175: St François d'Assise: La prédication aux oiseaux
Tatarjaras (The Gay Hussars): A kis Juliska … - Adj egy edes csokot (Sung in Hungarian)
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Haj, ho! Haj, ho! … - Hogyha szivem kered tolem …
Hungarian Radio and Television Children's Chorus
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Hanyszor mondtam mar magamnak … - Jaj, cica …
Die Csardasfurstin (The Gypsy Princess) (Sung in Hungarian): Zajt ne uss, kicsi lany … - Te, rongyos elet …
Grafin Mariza (Countess Mariza) (Sung in Hungarian): Hej, de vig haz … - Huzzad nekem, huzzad szepen … - De jo is lenne boldognak lenni …
Grafin Mariza (Countess Mariza) (Sung in Hungarian): Mit tudjatok ti bent … - Hej, cigany …
Grafin Mariza (Countess Mariza) (Sung in Hungarian): Ha a nap lement … - Mondd meg, hogy imadom a pesti noket …
Das Veilchen vom Montmartre (The Violet of Montmartre): Suhan az ej … - Ma Onrol almodtam megint … (Sung in Hungarian)
Die lustige Witwe (The Merry Widow): Hol egbe nyulva zord a berc … - Vilja, o Vilja … (Sung in Hungarian)
Zigeunerliebe (Sung in Hungarian): Ebredj, kis bimbo … - Zorika, Zorika …
Zigeunerliebe (Sung in Hungarian): Forr a verem … - Messze hiv a nagyvilag …
Der Zarewitsch (Sung in Hungarian): Egyedul, mindig egyedul … - A szivemnek nem jut napsugar …
Der Zarewitsch (Sung in Hungarian): Itt maradj, szep virag … - Igy meg soha mast …
Friederike: O lanyka, o lanykam (Sung in Hungarian)
Das Land des Lachelns (The Land of Smiles): Engedjek meg hat a nonek … (Sung in Hungarian)
Das Land des Lachelns (The Land of Smiles): Vagyom egy no utan … (Sung in Hungarian)
Hungarian Radio and Television Esztradzenekara
3:1 a szerelem javara: Beleszerettem magaba
Die Blume von Hawaii: Ittam egy kis pityokat
3:1 a szerelem javara: Almaimban mar lattalak
Viktoria und ihr Husar: Viktor: Good night
Az utolso Verebely lany (The Last Verebely Girl): Teve van egypupu