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 0xdb918e2fceb3583c2880783bbba65664d584731e1fd5f7924fe390008264f897. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d3640c47-6062-4d91-a7e2-7181a692c5fe.json and https://artists.proofprofile.net/proofs/artist/d3640c47-6062-4d91-a7e2-7181a692c5fe.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Amarilli, mia bella (Arr. For tenor and guitar)
Seguit amor - Mi parto - Che fai qua figlia - L'innerivo quando fiocca
Filide mia - Trista sorte - Monicella mi farei
Der Fluyten Lust-hof, Book 1: Amarilli mia bella
12 Flute Sonatas (1724), Flute Sonata No. 1 in D Minor: Sonata No.1: Amoroso
Dalla porta d'oriente - Al fonte, al prato - Aur'amorosa - Mentre che, fra doglie
Recorder Sonata No. 3 in D Minor: Sonata No. 3: Largo
Balletti, con la intavolatura del liuto: Lo Sdegnato - Il Ballerino - Lo Spensierato
Falstaff, Act I: Recitativo accompagnato: Ah! vile! ah, seduttore!
L'elisir d'amore, Act II: Act I: Quanto e bella, quanto e cara!
L'elisir d'amore, Act II: Act II: Una furtiva lagrima
La favorita, Act I: Una vergine, un'angel di Dio
Lucia di Lammermoor, Act III: Tombe degli avi miei …
Don Pasquale, Act II: Provero Ernesto - Cerchero lontana terra
Hunyadi Laszlo: Act I: Aria: Van vegre egy par nyugodt pillanat! … (At last a few calm moments! …)
Hunyadi Laszlo: Act II: Duet: Mily boldogsag, hogy mellettem vagy … (What bliss to have you …)
Rigoletto, Act I: Act I: Questa o quella
Rigoletto, Act I: Act II: Ella mi fu rapita! …
Rigoletto, Act I: Act III: La donna e mobile
Simon Boccanegra, Act II: Sento avvampar nell'anima
Gianni Schicchi: Firenze e come un albero fiorito
Falstaff, Act I: Recitativo accompagnato: Ah! Vile! Ah, seduttore!
L'elisir d'amore, Act I: Quanto e bella, quanto e cara!
L'elisir d'amore, Act II: Una furtiva lagrima
Hunyadi Laszlo, Act I: Aria. Van vegre egy par nyugodt pillanat! … (At last a few calm moments! …)
Hunyadi Laszlo, Act II: Duet. Mily boldogsag, hogy mellettem vagy … (What bliss to have you …)
Der Fluyten Lust-Hof, Book 1: Amarilli mia bella
Il barbiere di Siviglia (the Barber of Seville), Act I: Cavatina. Saper bramate [Count Almaviva, Rosina]
Il barbiere di Siviglia (the Barber of Seville): Sinfonia
Mass No. 14 in B-Flat Major, Hob. XXII:14, "Harmoniemesse": Kyrie
Mass No. 14 in B-Flat Major, Hob. XXII:14, "Harmoniemesse": Gloria -
Mass No. 14 in B-Flat Major, Hob. XXII:14, "Harmoniemesse": Credo -
Mass No. 14 in B-Flat Major, Hob. XXII:14, "Harmoniemesse": Sanctus
Mass No. 14 in B-Flat Major, Hob. XXII:14, "Harmoniemesse": Benedictus
Mass No. 14 in B-Flat Major, Hob. XXII:14, "Harmoniemesse": Agnus Dei -
Mass No. 14 in B-Flat Major, "Harmony Mass": IV. Sanctus
Classical Masterpieces of the Millennium
L'Elisir d'Amore, Act II: Nemorino's Aria - "Una furtiva lagrima"
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L'elisir d'amore, Act II: "Una furtiva lagrima" (Nemorino's Aria)
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L'Elisir d'amore, Act II: Una furtiva lagrima (Nemorino's Aria)
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50 Years of Hungaraton (1951-2000): Singers
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Lucia di Lammermoor, Act III: Edgardo's Aria - "Tombe degli' avi miei - Fra poco a me ricovero"
L'Elisir d'Amore, Act II: Nemorino's Aria - "Una Furtiva Lagrima"
Lucia di Lammermoor, Act III: "Fra poco a me ricovero"