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 0x06dfc90c8fc43223f7f15945055135c95d2f3f906c9a5275d4b8ef7e658b94b8. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/90aeddb0-3e2c-4c17-a519-a1a1aea7ccfc.json and https://artists.proofprofile.net/proofs/artist/90aeddb0-3e2c-4c17-a519-a1a1aea7ccfc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Prinzessin Brambilla, Op. 12: Prologue: Ach Herr, was schleppt Ihr auf die Strasse mich! (Pantalone, Prince)
Prinzessin Brambilla, Op. 12, Scene 1: Karneval, Karneval! (Chorus, Prince, Pantalone, Claudio, Gascon)
Prinzessin Brambilla, Op. 12, Scene 4: Carneval! Carneval! (Chorus, Pantalone, Giazinta, Prince)
Prinzessin Brambilla, Op. 12, Scene 1: Prinzessin Brambilla...Ach! Was ist das? (Chorus, Claudio, Gascon, Prince)
Prinzessin Brambilla, Op. 12, Scene 4: Endlich find ich das Haus (Claudio, Chorus, Pantalone, Prince)
Prinzessin Brambilla, Op. 12, Scene 1: Hier die Brille schaut von magisch blauem Glase (Prince, Chorus, Claudio, Giazinta, Pantalone)
Prinzessin Brambilla, Op. 12, Scene 4: Nein! Ganz anders war (Claudio, Giazinta, Chorus)
Prinzessin Brambilla, Op. 12: Verwandlung
Prinzessin Brambilla, Op. 12, Scene 2: Es wollt’ ein Madchen Wasser hol’n (Giazinta, Barbara)
Prinzessin Brambilla, Op. 12, Scene 5: Moccolo, moccoli, moccoli, moccolo! (Chorus, Gaston, Buffel, Brutz, Cuniberto, Two Singers)
Prinzessin Brambilla, Op. 12, Scene 2: Man klopft!...Claudio! Herein! (Barbara, Giazinta, Pantalone)
Prinzessin Brambilla, Op. 12, Scene 5: Hort, ihr Burger Roms (Pantalone, Chorus, Gaston, Buffel, Brutz, Cuniberto, Two Singers, Barbara)
Prinzessin Brambilla, Op. 12, Scene 2: Claudio!...Ob den Pantalone ich noch unten finde? (Giazinta, Barbara, Claudio)
Prinzessin Brambilla, Op. 12, Scene 5: Ach, Prinzessin! Ach, gefunden! (Claudio, Giazinta, Chorus, Brutz, Gaston, Cuniberto)
Prinzessin Brambilla, Op. 12, Scene 5: Weh! Wehe!...Es ist wohl gut (Chorus, Pantalone, Barbara)
Prinzessin Brambilla, Op. 12, Scene 3: Bacchus soll leben! (Chorus, Gascon, Brutz, Buffel, Cuniberto, Pantalone)
Prinzessin Brambilla, Op. 12, Scene 5: O du, nun war’s wohl Zeit (Claudio, Giazinta)
Prinzessin Brambilla, Op. 12, Scene 3: Verfluchter Pobel, schamlos freches Pack (Claudio, Buffel, Brutz, Pantalone, Chorus, Gascon, Cuniberto)
Prinzessin Brambilla, Op. 12, Scene 5: Edler Herr und Dame, tretet freundlich ein (Pantalone, Chorus, Claudio, Giazinta, Prince)
Gianni Schicchi: O mio babbino caro (Lauretta)
Belgian Radio and Television Philharmonic Orchestra
La boheme: Act II: Quando me'n vo' (Musetta, Marcello and Ensemble)
Gianni Schicchi: Firenze e come un albero (Rinuccio)
La boheme: Act IV: Sono andati? (Mimi, Rodolfo)
Tosca: Act I: Santa ampolle...Recondita armonia (Cavaradossi)
La boheme: Act IV: Che ha detto il medico? (Rodolfo, Marcello, Musetta, Schaunard, Colline)
Tosca: Act I: Tre sbirri, una carrozza (Scarpia)
Le Villi (The Willis), Act II: La Tregenda (Witches' Dance)
Tosca: Act II: Vissi d'arte, vissi d'amore (Tosca)
Le Villi (The Willis), Act I: Se come voi piccina io fossi (Anna)
Tosca: Tosca, Act III: E lucevan le stelle (Cavaradossi)
Madame Butterfly, 1. Akt: Vogliatemi bene (Mona Lisa): Act I: Bimba, dagli occhi (Pinkerton, Butterfly)
Manon Lescaut, Act I: Donna non vidi mai (Des Grieux)
Madame Butterfly, 1. Akt: Vogliatemi bene (Mona Lisa): Act II: Un bel di, vedremo (Butterfly)
Manon Lescaut, Act II: In quelle trine morbide (Manon Lescaut)
Madame Butterfly, 1. Akt: Vogliatemi bene (Mona Lisa): Act II: Humming Chorus
La Rondine (The Swallow), Act I: Chi'il bel sogno di Doretta (Magda)
Manon Lescaut, Act IV: Sola, perduta, abbandonata (Manon Lescaut)
Crisantemi (version for string orchestra)
Turandot: Act I: Gira la cote! Gira! (Chorus and Ensemble)
Turandot: Act I: Perche tarde la luna (Chorus and Ensemble)
Turandot: Act I: La, sui monti dell'est (Chorus)
Suor Angelica (Sister Angelica): Senza Mamma (Angelica)
La fanciulla del West: La Fanciulla del West (The Girl of the Golden West), Act III: Ch'ella mi creda (Johnson)
Turandot: Act I: Non piangere, Liu! (Calaf, Liu, Timur)
La boheme: Act I: Questo Mar Rosso (Marcello, Rodolfo)
Turandot: Act I: Ah! per l'ultima volta (Timur, Liu, Ministers, Calaf, Chorus)
La boheme: Act I: Che gelida manina (Rodolfo)
Turandot: Act III Scene 1: L'amore? (Turandot, Liu, Ping, Calaf, Chorus)
La boheme: Act I: Si. Mi chiamano Mimi (Mimi)
Turandot: Act III Scene 1: Tu, che di gel sei cinta (Liu, Chorus, Calaf, Timur, Ping)
La boheme: Act I: O soave fanciulla (Rodolfo, Mimi)
Turandot, Act III Scene 1: Nessun dorma (Calaf)
La rondine, Act I: Chi il bel sogno di Doretta
La boheme, Act II: Quando m'en vo' soletta, "Musetta's Waltz"
Madama Butterfly, Act II: Humming Chorus
Madame Butterfly, 1. Akt: Vogliatemi bene (Mona Lisa): Madama Butterfly, Act I: Viene la sera …
Madame Butterfly, 1. Akt: Vogliatemi bene (Mona Lisa): Madama Butterfly, Act I: Bimba dagli occhi pieni di malia
La boheme: La Boheme, Act I: O soave fanciulla
Manon Lescaut, Act I: Donna non vidi mai simile a questa!
La boheme, Act III: Dunque e proprio finita!
Manon Lescaut, Act II: In quelle trine morbide
Tosca: Tosca, Act I: Sante ampolle! … Recondita armonia
Madame Butterfly, 1. Akt: Vogliatemi bene (Mona Lisa): Madama Butterfly, Act II: Un bel di, vedremo
Manon Lescaut, Act IV: Sola, perduta, abbandonata
Tosca: Tosca, Act I: Non la sospiri la nostra casetta
Tosca: Tosca, Act III: E lucevan le stelle
Manon Lescaut, Act II: Oh, saro la piu bella!
Tosca: Tosca, Act I: Tre sbirri, una carrozza
Turandot, Act III: Tu, che di gel sei cinta
Turandot: Act II Scene 2: In questa reggia
Turandot: Act II Scene 2: Straniero, ascolta!...Nella cupa notte
Turandot: Act II Scene 2: Guizza al pari di fiamma
Turandot: Act II Scene 2: Gelo che ti dà foco
Turandot: Act II Scene 2: Gloria, o vincitore!
Turandot: Act II Scene 2: Figlio del cielo!
Turandot: Act II Scene 2: Tre enigma m'hai proposto
Turandot: Act II Scene 2: Ai tuoi piedi ci prostriam
Turandot: Act III Scene 1: Cosi comanda Turandot
Turandot: Act I: Fermo! che fai? T'arresta!
Turandot: Act III Scene 1: Nessun dorma!
Turandot: Act III Scene 1: Tu che guardi le stelle
Turandot: Act III Scene 1: Principessa divina!
Turandot: Act III Scene 1: L'amore?...Tanto amore, segreto e inconfessato
Turandot: Act III Scene 1: Tu, che di gel sei cinta
Turandot: Act II Scene 1: Olà Pang, Olà, Pong
Turandot: Act II Scene 1: O Cina, o Cina
Turandot: Act III Scene 1: Principessa di morte!
Turandot: Act II Scene 1: Ho una casa nell'Honan
Turandot: Act III Scene 1: Che è mai di me?
Turandot: Act II Scene 1: O mondo, pieno di pazzi innamorati
Turandot: Act III Scene 1: Del primo pianto...
Turandot: Act III Scene 1: La mia gloria è il tuo amplesso!
Turandot: Act III Scene 2: Diecimila anni al nostro Imperatore!
Turandot: Act II Scene 2: Gravi, enormi ed imponenti
Turandot: Act II Scene 2: Un giuramento atroce mi costringe
Turandot: Act II Scene 2: Diecimila anni al nostro Imperatore
A Guided Tour of the Romantic Era, Vol. 14
Dolly Suite, Op. 56 (Excerpts): I. Berceuse
Barcarolle No. 4 in A-Flat Major, Op. 44
2 Pieces, Op. 104: No. 2, Barcarolle No. 10 in A Minor
9 Préludes, Op. 103: No. 1, Prélude in D-Flat Major
2 Pieces, Op. 104: No. 1, Nocturne No. 11 in F-Sharp Minor
Symphony No. 1 in A-Flat Major, Op. 55: I. Andante. Nobilmente e semplice - Allegro
Symphony No. 2 in E-Flat Major, Op. 63: I. Allegro vivace e nobilmente
Variations on an Original Theme, Op. 36 "Enigma": Theme - Var. 1, L'istesso tempo "C.A.E."
5 Military Marches, Op. 39 "Pomp and Circumstance": No. 1 in D Major "Land of Hope and Glory"
Salut d'amour, Op. 12 (Version for Orchestra)
Serenade for Strings in E Minor, Op. 20: I. Allegro piacevole (Version for String Orchestra)
Cello Concerto in E Minor, Op. 85: I. Adagio - Moderato
Introduction and Allegro for Strings, Op. 47
The Dream of Gerontius, Op. 38, Pt. 1: I. Prelude
Scenes from the Saga of King Olaf, Op. 30: As Torrents in Summer
My Love Dwelt in a Northern Land, Op. 18 No. 3
La bohème, SC 67: Questo Mar Rosso, mi ammollisce e assidera
Madama Butterfly, SC 74: Dovungue al mondo
Suite española No. 1, Op. 47, B. 7: III. Sevilla
Recuerdos de viaje, Op. 71, B. 18: No. 4, En la Alhambra
Symphony No. 1 in D Major "Titan" in D Major: I. Langsam. Schleppend
Polish National Radio Symphony Orchestra
Symphony No. 2 in C Minor "Resurrection": V. Im Tempo des Scherzos. Wild herausfahrend
Symphony No. 3 in D Minor: I. Kräftig, Entschieden
Symphony No. 4 in G Major: II. In gemächlicher Bewegung, ohne Hast
Symphony No. 5: I. Trauermarsch. In gemessenem Schritt - Streng - Wie ein Kondukt
Symphony No. 6 in A Minor "Tragic": I. Allegro energico, ma non troppo. Heftig, aber markig
Symphony No. 7 in E Minor: I. Langsam - Allegro risoluto, ma non troppo
Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Veni, Creator Spiritus
Cardinal Stefan Wyszynski University Choir
Symphony No. 9 in D Major: I. Andante comodo
Das Lied von der Erde: I. Das Trinklied vom Jammer der Erde (the Drinking Song of Earth's Misery)
Kindertotenlieder: No. 1, Nun will die Sonn' so hell aufgeh'n (Version for Voice & Orchestra)
Lieder eines fahrenden Gesellen: No. 1, Wenn mein Schatz Hochzeit macht
Rückert Lieder: No. 3, Ich bin der Welt abhanden gekommen (Version for Voice & Orchestra)
Otello, Act III: Dio ti giocondi, o sposo
Otello, Act III: Dio! Mi potevi scagliar
Otello, Act III: Vieni, l'aula è deserta
Otello, Act III: Viva il Leon di San Marco!
Otello, Act III: A terra!… sì… nel livido fango
Otello, Act I: Quando narravi l'esule tua vita
Otello, Act IV: Mia madre aveva una povera ancella
Otello, Act II: Vanne… Credo in un Dio crudel
Otello, Act II: Dove guardi splendono… Non parlo ancor di prova
María del Carmen, Act I: Preludio. ¡Madre del amor, dulce majestad, luz del labrador, prez de la ciudad! (Live)
Belarussian National Philharmonic Orchestra
María del Carmen, Act II: Preludio (Live)
María del Carmen, Act I: A la paz de Dios, caballeros (Live)
María del Carmen, Act II: Nenicas huertanas, que tanto amáis a los zagales (Live)
María del Carmen, Act I: Adiós, hombres (Live)
María del Carmen, Act II: Ya estamos aquí nosotros (Live)
María del Carmen, Act I: ¡Mardita sea la simiente que da la pillería! (Live)
María del Carmen, Act II: Sentarse (Live)
María del Carmen, Act I: ¿Pos qué es eso, tío Pepuso? (Live)
María del Carmen, Act II: Yo también güervo enseguía (Live)
María del Carmen, Act I: ¡Jesús, la que nos aguarda! (Live)
María del Carmen, Act II: ¡Muy contenta! y aquí me traen, como aquel que llevan al suplicio (Live)
María del Carmen, Act I: Una limosna para una misa de salud "Canción de la Zagalica" (Live)
María del Carmen, Act II: ¡María del Carmen! (Live)
María del Carmen, Act I: Voy a ver a mi enfermo, el capellán (Live)
María del Carmen, Act II: ¿Y qué quiere este hombre a quien maldigo desde el fondo de mi alma? (Live)
María del Carmen, Act I: Mírala, aquí la tenemos (Live)
María del Carmen, Act II: ¡Ah!, tío Pepuso, lléveselo usted (Live)
María del Carmen, Act I: Tú sabes mi mal cruel (Live)
María del Carmen, Act II: Ya se fue. Alégrate corazón mío (Live)
María del Carmen, Act I: Ya ha empezado la misa (Live)
María del Carmen, Act II: ¡Viva María el Carmen y su enamorao, Javier! (Live)
María del Carmen, Act I: He hablado con el médico (Live)
María del Carmen, Act II: ¡Pencho! (Live)
María del Carmen, Act I: María el Carmen, oye, ¿no sabes? (Live)
María del Carmen, Act II: ¡Dile que huya! (Live)
María del Carmen, Act I: ¡Resuelve si libre quieres que sea! (Live)
María del Carmen, Act III: Preludio (Live)
María del Carmen, Act I: ¡Virgen Santísima de la Fuensanta! (Live)
María del Carmen, Act III: ¡Me ha llamado cobarde! (Live)
María del Carmen, Act I: Poco lento (Live)
María del Carmen, Act III: Pencho de mi alma, prepárate a huir (Live)
María del Carmen, Act III: Si te prenden, sola, ¿qué hará tu zagala? (Live)
María del Carmen, Act III: Vengo a lo que sabes (Live)
María del Carmen, Act III: ¿Y mi Javier? (Live)
María del Carmen, Act III: Buenas noches (Live)
María del Carmen, Act III: Disponte a oírme con entereza (Live)
María del Carmen, Act III: Ponte en sarvo, huye si quieres (Live)
María del Carmen, Act III: ¡Oh, ven a matarme, ven! (Live)
María del Carmen, Act III: Vamos pues, vamos allá, vamos a prender a Pencho ya (Live)
Svanda dudak (Schwanda, the Bagpiper): Overture
Svanda dudak (Schwanda, the Bagpiper): Act I Scene 3: Uz dohral! (Already finished!) (Magician)
Svanda dudak (Schwanda, the Bagpiper): Act I Scene 1: Hej hola! (Hey, hey, hurrah!) (Soldier)
Svanda dudak (Schwanda, the Bagpiper): Act I Scene 3: Devce rozmile (You charming lass) (Svanda)
Svanda dudak (Schwanda, the Bagpiper): Act I Scene 1: Zda znas tu slavnou baj (Have you ever heard this famous legend?) (Babinsky)
Svanda dudak (Schwanda, the Bagpiper): Act I Scene 3: Vidis, jaky jsi ty osemetny nevernik (A deceitful, faithless man you are) (Dorota)
Svanda dudak (Schwanda, the Bagpiper): Act I Scene 1: Jak je as krasny ten dalny svet (How wonderful that distant world can be) (Svanda)
Svanda dudak (Schwanda, the Bagpiper): Act I Scene 3: Dorotko, neplac (Dorota, don't cry) (Babinsky)
Svanda dudak (Schwanda, the Bagpiper): Act I Scene 1: Entr'acte
Svanda dudak (Schwanda, the Bagpiper): Act II Scene 1: Jo, jo zac pakvlastne bratru stoji takovyhle zivot? (Oh yes, what is such a life worth?) (Devil)
Svanda dudak (Schwanda, the Bagpiper): Act I Scene 2: Vmem srdci chlad a kolem stin a led (There is a coldness in my heart, with shadows and ice around) (Queen)
Svanda dudak (Schwanda, the Bagpiper): Act II Scene 1: Devil's Polka
Svanda dudak (Schwanda, the Bagpiper): Act I Scene 2: Polka
Svanda dudak (Schwanda, the Bagpiper): Act II Scene 1: Coz zapomenout mozno vsrdci uprimnem na svoji rodnou zem (Can a native country ever be forgotten...) (Svanda)
Svanda dudak (Schwanda, the Bagpiper): Act I Scene 2: Jsem tva, jsem tva (I'm yours, I'm yours) (Queen)
Svanda dudak (Schwanda, the Bagpiper): Act II Scene 1: Rad odpoved dam (I'll answer you gladly) (Babinsky)
Svanda dudak (Schwanda, the Bagpiper): Act I Scene 2: Pres hory a strane (Through mountains and hillside) (Dorota)
Svanda dudak (Schwanda, the Bagpiper): Act II Scene 1: Co vidim? Karty? (What do I see? Cards?) (Babinsky)
Svanda dudak (Schwanda, the Bagpiper): Act I Scene 2: Vsechny sny uz pochovany (All dreams are buried now) (Queen)
Svanda dudak (Schwanda, the Bagpiper): Act II Scene 1: Vase pekelne Velicenstvo (Your devilish Excellency) (Devil's Servant)
Svanda dudak (Schwanda, the Bagpiper): Act II Scene 1: Fugue
Svanda dudak (Schwanda, the Bagpiper): Act II Scene 2: Toz pribeh se konci (So the story ends) (Babinsky)