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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf527ff5efded8abed1d6357a77b9eb3768d340715f69c869fe62bcfd5bff974. Chain 2 (Bitcoin): anchored in block 954742 (2026-06-21T20:46:40Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fd78ba8a-fba6-4feb-a55d-d844affff73a.json and https://artists.proofprofile.net/proofs/artist/fd78ba8a-fba6-4feb-a55d-d844affff73a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Loewe: Lieder - Schumann: Liederkreis, Op. 39
Lieder No. 3b, Wandrers Nachtlied Heft 1
Liedert No. 3, Der Pilgrim vor Sankt Just, Op. 99
3 mélodies de Verlaine - Debussy: I. La mer est plus belle
3 mélodies de Verlaine - Debussy: II. Le son du cor s'afflige vers les bois
3 mélodies de Verlaine - Debussy: III. L'échelonnement des haies
Poème d’un jour op.21, Faure: I. Rencontre
Poème d’un jour op.21, Faure: III. Toujours
Poème d’un jour op.21, Faure: III. Adieu
Shostakovich, Ibert, Ravel, Dorumsgaard: Rèves D’Espagne
Chansons de Don Quichotte: I. Chanson du départ - Allegretto
Chansons de Don Quichotte: II. Chanson a Dulcinée - Allegro assai
Chansons de Don Quichotte: III. Chanson du Duc - Allegro energico
Chansons de Don Quichotte: IV. Chanson de la mort de Don Quichotte - Andante molto
Spanish Songs, Op. 100: I. Proschay, Grenada!
Spanish Songs, Op. 100: III. Pervaya fstrecha
Triste estaba el rey David (Arr. Arne Dørumsgaard)
Con amores, la mi madre (Arr. Arne Dørumsgaard)
A la caza, sus, a caza (Arr. Arne Dørumsgaard)
De Antequera sale el moro (Arr. Arne Dørumsgaard)
12 Danzas Españolas: II. Oriental (Arr. Arne Dørumsgaard)
Don Quichotte à Dulcinée, M. 84: I. Chanson romanesque - Moderato
Don Quichotte à Dulcinée, M. 84: II. Chanson épique. Molto moderato
Don Quichotte à Dulcinée, M. 84: III. Chanson à boire - Allegro
Chansons de Don Quichotte: I. Chanson de Depart de Don Quichotte
Chansons de Don Quichotte: II. Chanson à Dulcinée
Chansons de Don Quichotte: III. Chanson du Duc
Chansons de Don Quichotte: IV. Chanson de la mort
Don Quichotte à Dulcinée, M. 84: I. Chanson romanesque
Don Quichotte à Dulcinée, M. 84: II. Chanson épique
Don Quichotte à Dulcinée, M. 84: III. Chanson à boire
Le Chout, Op. 21: Chout & Chouticha (Arr. for cello & piano by Roman Sapozhnikov)
Le Chout, Op. 21: The merchant’s dream (Arr. for cello & piano by Roman Sapozhnikov)
Gopak (from Mussorgsky’s Sorochintsky Fair)
Do not sing, my beauty, in front of me, Op. 4/4 (Arr. for violin & tenor by Fritz Kreisler)
Le Chout, Op. 21: Chouticha (Arr. for cello & piano by Roman Sapozhnikov)
Le Chout, Op. 21: The sad merchant (Arr. for cello & piano by Roman Sapozhnikov)
Le Chout, Op. 21: Dance of Chout’s daughters (Arr. for cello & piano by Roman Sapozhnikov)
Chout, Op. 21b (arr. for Cello & piano by Roman Sapozhnikov): Chout & Chouticha
Chout, Op. 21b (arr. for Cello & piano by Roman Sapozhnikov): The Merchant Dreams
6 Romances, Op. 4: IV. Do Not Sing, My Beauty
13 Preludes, Op. 32: XII. Prelude in G Sharp Minor
Songs and Romances: III. The Pretty Girl No Longer Loves Me
Songs and Romances: II. The Beautiful Fishergirl
Songs and Romances: IV. Listen to My Song
Chout, Op. 21b (arr. for Cello & Piano by Roman Sapozhnikov): Chouricha
Chout, Op. 21b (arr. for Cello & Piano by Roman Sapozhnikov): The Sad Merchant
Chout, Op. 21b (arr. for Cello & Piano by Roman Sapozhnikov): Dance of Chouts Daughters
12 Romances, Op. 60: XII. The Mild Stars Shone
6 Romances, Op. 6: VII. None But the Lonely Heart
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. I No. 1: Introduction and Quartet [Soprano, Alto, Tenor, Bass]
Heures Romantiques Instrumental Ensemble
Loewe, C: Suhnopfer Des Neuen Bundes (Das), 'Passion Oratorio'
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. I No. 2: Chorale. Gegrusst sei, Furst des Lebens [Hail, Prince of Life]
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. I No. 3: Recitative and Arioso. Da nun Jesus war zu Bethanien [Then Jesus came to Bethany] [Soprano]
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. I No. 4: Recitative and Terzetto. Da das Judas sahe [When Judas saw It] [Bass, Tenor, Bass]
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. I No. 5: Recitative. Da sprach Jesus: Lasset Maria mit Frieden [Then said Jesus: Let Mary alone] [Soprano]
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. I No. 6: Chorale. O du Zuflucht der Elenden [O thou refuge of the needy]
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. I No. 7: Larghetto con moto
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. I No. 8: Duet. Wie der Herr es uns geheissen [as the Lord hath bidden us] [Peter, John]
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. I No. 9: Lobet ihr Knechte des Herrn [Praise the Lord, ye servants] [Chorus of the Apostles]
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. I No. 10: Recitative and Chorus. Und Jesus sprach: Mich hat herzlich verlanget [I have desire to eat This Pas
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. I No. 11: Recitative and Chorale. Da sie aber assen, nahm Jesus das Brot [After they had eaten, Jesus took th
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. I No. 12: Lobet ihr Knechte des Herrn [Praise the Lord, ye servants] [Chorus]
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. II No. 13: Chorus and Recitative. Auf, mit Schwertern, Speer und Stangen [Up, with sword, spear and stave] [C
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. II No. 14: Chorale. Wenn alle untreu werden [When all Are untrue]
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. II No. 15: Aria. Heil'ge Nacht, hell von der Liebe Schein [Holy night, bright with the shining of love] [Alto
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. II No. 16: Duet. Da traten herzu zweeen falsche Zeugen [There came two false witnesses] [Soprano, Tenor]
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. II No. 17: Recitative. Und der Hohepriester stand auf [and the High Priest arose] [Bass]
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. II No. 18: Recitative and Chorus. Ich beschwore dich [I abjure thee by the living God] [Christ, High Priests
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. II No. 19: Aria. Weh' mir, wohin soll ich entfliehn? [Alas, where should I flee?] [Bass]
Das Sühnopfer des neuen Bundes (the Expiatory Sacrifice of the New Covenant): Pt. II No. 20: Chorale. Ach bleib mit deiner Gnade [Ah, abide among us with thy grace]