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 0x4aee4bd3493ca196a3c96a2302563b8730871fb457617b63df99a206f4cb9912. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e0926668-7d5a-4dc8-a07c-4c73eb63fa6c.json and https://artists.proofprofile.net/proofs/artist/e0926668-7d5a-4dc8-a07c-4c73eb63fa6c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Agay, Karola: Songs by Stradella, Caccini, Scarlatti, Britten and Others, and Hungarian Love Songs
Bocsasd meg, Uristen (Forgive me, my God) (arr. for soprano and guitar)
Husveti enek (Easter song) (arr. for soprano and guitar)
Szol a kakas mar (The cock is already crowing) (arr. for soprano and guitar)
Hej, pava (Hey, peacock) (arr. for soprano and guitar)
De mit torom fejemet? (Why do I rack my brains?) (arr. for soprano and guitar)
Elhervad a rozsa (The rose has withered) (arr. for soprano and guitar)
Ej, haj, gyongyvirag (Lily-of-the-valley) (arr. for soprano and guitar)
Nem anyatol lettel (You are not a mother's child) (arr. for soprano and guitar)
Lanyom, lanyom, gyongyviragom (My daughter, my lily-of-the-valley) (arr. for soprano and guitar)
Mint a jo … (Like the good … ) (arr. for soprano and guitar)
Amarilli, mia bella (arr. for soprano and guitar)
A remenyseg (The Hope) (arr. for soprano and guitar)
Tre giorni son che Nina (arr. for soprano and guitar)
A telhetetlen (The insatiable) (arr. for soprano and guitar)
Wiegenlied, Op. 98, No. 2, D. 498 (arr. L. Szendrey-Karper): Bolcsodal (Lullaby) (arr. for soprano and guitar)
Schwanengesang, D. 957: No. 4. Standchen (Serenade) (arr. L. Szendrey-Karper): Szerenad (Serenade) (arr. for soprano and guitar)
13 Canciones espanolas antiguas (Sung in Hungarian): No. 6. Szevillai dal a XVIII szazadbol (Sevillanas del Siglo XVIII, Song of Sevilla from the 18th century)
13 Canciones espanolas antiguas (Sung in Hungarian): No. 10. Zorongo
13 Canciones espanolas antiguas (Sung in Hungarian): No. 9. Az ifju zarandokok (Los Pelegrinitos, The young pilgrims)
13 Canciones espanolas antiguas (Sung in Hungarian): No. 8. Szevillai bolcsodal (Nana de Sevilla, Lullaby from Sevilla)
Folk Song Arrangements, Vol. 1, "British Isles" (Sung in Hungarian): No. 1. Adok neked egy almat (I will give my love an apple)
Folk Song Arrangements, Vol. 1, "British Isles" (Sung in Hungarian): No. 2. Tengeresz-dal (Sailor-Boy)
Csalogany bucsuja (The nightingale’s farewell) (arr. for chamber orchestra)
O, ne mondj engem rozsadnak (Don’t call me your sweet-heart) (arr. for chamber orchestra)
Die Entfuhrung aus dem Serail, Act II: Martern aller Arten
Die Zauberflote (The Magic Flute), Act II: Der Holle Rache kocht in meinem Herzen
Il barbiere di Siviglia, Act I: Cavatina: Una voce poco fa
Lucia di Lammermoor, Act III: Mad Scene: O giusto cielo - Il dolce suono mi calpi di sua voce!
Hunyadi Laszlo, Act II: Aria: Nagy eg … - Ah, mily vadul … (Great Heavens … - Oh how wildly …)
Bank ban: Aria: Olj meg engem, Bank … (Bank, I beg you kill me …)
Bank ban: Scene and Duet: Hol van feher homlokod … (Where is the white lily … ) (Bank, Melinda)
Les contes d'Hoffmann: Les Contes d'Hoffmann, Act I: Scene and Aria: Les oiseaux dans la charmille …
Ariadne auf Naxos, Op. 60: Scene and Aria: Grossmachtige Prinzessin
Bocsasd meg, Uristen (Forgive me, my God) [arr. For soprano and guitar]
Husveti enek (Easter song) [arr. For soprano and guitar]
Szol a kakas mar (the cock Is already crowing) [arr. For soprano and guitar]
Hej, pava (Hey, peacock) [arr. For soprano and guitar]
De mit torom fejemet? (Why do I rack my brains?) [arr. For soprano and guitar]
Elhervad a rozsa (the rose has withered) [arr. For soprano and guitar]
Ej, haj, gyongyvirag (Lily-of-the-valley) [arr. For soprano and guitar]
Nem anyatol lettel (You Are not a mother's child) [arr. For soprano and guitar]
Lanyom, lanyom, gyongyviragom (My daughter, my lily-of-the-valley) [arr. For soprano and guitar]
Mint a jo … (Like the good … ) [arr. For soprano and guitar]
Amarilli, mia bella (Arr. For soprano and guitar)
A remenyseg (the Hope) [arr. For soprano and guitar]
Tre giorni son che Nina (Arr. For soprano and guitar)
A telhetetlen (the insatiable) [arr. For soprano and guitar]
Wiegenlied, Op. 98, No. 2, D. 498: Bolcsodal (Lullaby) [arr. For soprano and guitar]
Schwanengesang, D. 957, No. 4. Standchen (Serenade): Szerenad [Serenade] [arr. For soprano and guitar]
13 Canciones españolas antiguas: No. 6, Szevillai dal a XVIII szazadbol (Sevillanas del Siglo XVIII, Song of Sevilla from the 18th century) [Sung in Hungarian]
13 Canciones españolas antiguas: No. 10, Zorongo (Sung in Hungarian)
13 Canciones españolas antiguas: No. 9, Az ifju zarandokok (los Pelegrinitos, the young pilgrims) [Sung in Hungarian]
13 Canciones españolas antiguas: No. 8, Szevillai bolcsodal (Nana de Sevilla, Lullaby from Sevilla) [Sung in Hungarian]
Folk Song Arrangements, Vol. 1, "British Isles": No. 1, Adok neked egy almat (I will give my love an apple) [Sung in Hungarian]
Folk Song Arrangements, Vol. 1, "British Isles": No. 2, Tengeresz-dal (Sailor-Boy) [Sung in Hungarian]
Csalogany bucsuja (the nightingale's farewell): Csalogany bucsuja [the nightingale’s farewell] [arr. For chamber orchestra]
O, ne mondj engem rozsadnak (Don't call me your sweet-heart): O, ne mondj engem rozsadnak [Don’t call me your sweet-heart] [arr. For chamber orchestra]
Die Entführung aus dem Serail, K. 384, Die Entführung aus dem Serail, Act II: Martern aller Arten
Die Zauberflöte, K. 620, Die Zauberflöte (the Magic Flute), Act II: Der Holle Rache kocht in meinem Herzen
Il barbiere di Siviglia (the Barber of Seville), Il barbiere di Siviglia, Act I: Cavatina. Una voce poco fa
Lucia di Lammermoor, Act III: Mad Scene. O giusto cielo - Il dolce suono mi calpi di sua voce!
Hunyadi Laszlo, Act II: Aria. Nagy eg … - Ah, mily vadul … (Great Heavens … - Oh how wildly …)
Bánk ban: Aria. Olj meg engem, Bank … (Bank, I beg you kill me …)
Bánk ban: Scene and Duet. Hol van feher homlokod … (Where Is the white lily … ) [Bank, Melinda]
Les contes d'Hoffmann, Act I: Scene and Aria. Les oiseaux dans la charmille …
Ariadne auf Naxos, Op. 60, TrV 228a, Ariadne auf Naxos, Op. 60: Scene and Aria. Grossmachtige Prinzessin