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 0xa2dcf5fabcce999a9f20d0f61db8bc1ff5af37c137867d514096518028a04b46. 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/0c10bdf7-269f-4ea1-854e-5a7878d42364.json and https://artists.proofprofile.net/proofs/artist/0c10bdf7-269f-4ea1-854e-5a7878d42364.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Handel / Gluck / Mozart: Tenor Opera Arias
Serse (Xerxes), HWV 40: Frondi tenere… Ombra mai fu (Largo)
Iphigenie en Tauride: Unis des la plus tendre enfance
Armide: Armide: Plus j'observe ces lieux
Orphee et Eurydice: J'ai perdu mon Eurydice
Così fan tutte, K. 588: Cosi fan tutte, K. 588: Un'aura amorosa
Die Entfuhrung aus dem Serail, K. 384: Ich baue ganz
Idomeneo, re di Creta, K. 366: Non temer, amato bene
Idomeneo, re di Creta, K. 366: Fuor del mar
La clemenza di Tito, K. 621: Se all'impero
Die Zauberflote (The Magic Flute), K. 620, Act I: Dies Bildnis ist bezaubernd schon (Tamino)
Mozart / Schubert / Faure / Falla: Songs
Lied eines Schiffers an die Dioskuren, D. 360
Am Tage aller Seelen, D. 343, "Litanei auf das Fest aller Seelen"
3 Songs, Op. 7: No. 1. Apres un reve (arr. for flute and piano): Apres un reve, Op. 7, No. 1 (arr. for flute and piano)
La bonne chanson, Op. 61: No. 3, La lune blanche luir dans les bois
7 Canciones populares espanolas: I. El pano moruno
7 Canciones populares espanolas: II. Seguidilla murciana
7 Canciones populares espanolas: III. Asturiana
7 Canciones populares espanolas: IV. Jota
7 Canciones populares espanolas: V. Nana
7 Canciones populares espanolas: VI. Cancion
7 Canciones populares espanolas: VII. Polo
12 Russian Folksongs, Op. 104: Zelyonaya roschitsa (The little green grove)
12 Russian Folksongs, Op. 104: Na goreto kalina (The guelder tree on the hill)
Folk Song Arrangements, Vol. 4 - Moore's Irish Melodies: 9: The Last Rose of Summer
She Moved Through the Fair (arr. H. Hughes): She moved thro' the fair
Mozart / Schubert / Fauré / Falla: Songs
3 Songs, Op. 7, No. 1. Après un rêve: Apres un reve, Op. 7, No. 1 (Arr. For flute and piano)
7 Canciones populares Españolas: I. El pano moruno
7 Canciones populares Españolas: II. Seguidilla murciana
7 Canciones populares Españolas: III. Asturiana
7 Canciones populares Españolas: IV. Jota
7 Canciones populares Españolas: V. Nana
7 Canciones populares Españolas: VI. Cancion
7 Canciones populares Españolas: VII. Polo
12 Russian Folksongs, Op. 104: Zelyonaya roschitsa (the little green grove)
12 Russian Folksongs, Op. 104: Na goreto kalina (the guelder tree on the hill)
Folk Song Arrangements, Vol. 4, "Moore's Irish Melodies": Folk Song Arrangements, Vol. 4 - Moore's Irish Melodies: 9: The Last Rose of Summer
She moved thro' the fair (Arr. H. Hughes)
Serse, HWV 40: Serse (Xerxes), HWV 40: Frondi tenere… Ombra mai fu [Largo]
Iphigenia auf Tauris (Iphigenia in Tauris): Iphigenie en Tauride: Unis des la plus tendre enfance
Orphée et Eurydice: Orphee et Eurydice: J'ai perdu mon Eurydice (Paris Version)
Die Entführung aus dem Serail, K. 384: Ich baue ganz
Idomeneo, K. 366: Idomeneo, re di Creta, K. 366: Non temer, amato bene
Idomeneo, K. 366: Idomeneo, re di Creta, K. 366: Fuor del mar
Die Zauberflöte, K. 620, Die Zauberflöte (the Magic Flute), K. 620, Act I: Dies Bildnis ist bezaubernd schon [Tamino]
Bruckner: Te Deum; Mass No. 1 in D Minor
Requiem in D Minor, K. 626: III. Sequentia - Lacrimosa
Requiem in D Minor, K. 626: III. Sequenz, No. 4, Recordare
Mosè in Egitto / Act 1: No. 5 Recitativo: "E avete, avverse stelle"
Mosè in Egitto / Act 1: No. 7 Recitativo: "Ah! dov'è Faraone?"
Mosè in Egitto / Act 1: No. 11 Finale (continuazione): "Che narri?" - "Il ver"
Mosè in Egitto / Act 1: "All'idea di tanto eccesso"
Mosè in Egitto / Act 1: "Padre..." - "Signor..."
Mosè in Egitto / Act 2: No. 20 Recitativo: "O Nume Osiri"
Mosè in Egitto / Act 3: "Son fuggiti! Oh ciel, che miro!"
Haydn: Mass in D Minor, Hob. XXII:11 "Nelson Mass": Benedictus
Haydn: Mass in C Major, Hob. XXII:9 "Paukenmesse": Et incarnatus
Haydn: Mass in C Major, Hob. XXII:9 "Paukenmesse": Et resurrexit
Haydn: Mass in C Major, Hob. XXII:9 "Paukenmesse": Et vitam
Haydn: Mass in B-Flat Major, Hob. XXII:12 "Theresa Mass": Quoniam
Haydn: Mass in B-Flat Major, Hob. XXII:12 "Theresa Mass": Dona nobis
Requiem in D Minor, K. 626: III. Sequenz No. 2, Tuba mirum
Requiem in D Minor, K. 626, III. Sequenz No. 4, Recordare (SATB solo)
Requiem in D Minor, K. 626: IV. Offertorium No. 1, Domine Jesu Christe
Requiem in D Minor, K. 626: VI. Benedictus (SATB solo) - Osanna