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 0xbd08e421f4817a9cfe256d1d0e8591c86342d16ad6079794befd2fc6b90c1d0e. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e7d10579-5ace-4488-9ccc-f574bfeb89f5.json and https://artists.proofprofile.net/proofs/artist/e7d10579-5ace-4488-9ccc-f574bfeb89f5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Symphony of Psalms, K52: I. Exaudi orationem meam, Domine (Psalm 39)
Symphony of Psalms, K52: II. Expectans expectavi Dominum (Psalm 40)
Symphony of Psalms, K52: III. Alleluia, laudate Dominum (Psalm 150)
Symphony in 3 Movements, K73: I. [Allegro]. Crotchet = 160
Symphony in 3 Movements, K73: II. Andante – Interlude. L'istesso tempo –
Symphony in 3 Movements, K73: III. Con moto
Mozart - The 50 Best Classical Masterpieces
Symphony No. 40 in G Minor, K. 550: I. Molto allegro
Clarinet Concerto in A Major, K. 622: II. Adagio
Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": I. Allegro
Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze
Horn Concerto No. 2 in E-Flat Major, K. 417: III. Rondo. Più allegro
Serenade No. 10 in B-Flat Major, K. 361 "Gran Partita": III. Adagio
Berliner Philharmonisches Bläserensemble
Concerto for Flute, Harp, and Orchestra in C Major, K. 299/ 297c: II. Andantino
Piano Concerto No. 10 in E-Flat Major, K. 365 / 316a: III. Rondo. Allegro
Piano Concerto No. 20 in D Minor, K. 466: II. Romance
Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante
Requiem in D Minor, K. 626: I. Introitus. Requiem aeternam
Requiem in D Minor, K. 626: III. Sequentia - Dies Irae
Requiem in D Minor, K. 626: III. Sequentia - Rex Tremendae
Requiem in D Minor, K. 626: III. Sequentia - Confutatis
Requiem in D Minor, K. 626: III. Sequentia - Lacrimosa
Great Mass in C Minor, K. 427 (417a): I. Kyrie - Andante Moderato
Great Mass in C Minor, K. 427 (417a): III. Credo - Et incarnatus est
Don Giovanni, K. 527: Là ci darem la mano
Don Giovanni, K. 527: Finch'han dal vino
Vesperae solennes de confessore, K. 339: Laudate Dominum
Orchestra del Maggio Musicale Fiorentino
Le nozze di Figaro, K. 492: No. 10 Aria: "Non più andrai, farfallone amoroso"
Le nozze di Figaro, K. 492: No. 12 Arietta: "Voi che sapete che cosa è amor"
Le nozze di Figaro, K. 492: No. 21 Duettino: "Sull'aria?..Che soave zeffiretto"
Così fan tutte, K. 588: Act I Scene 12 - Un 'aura amorosa del nostro tesoro
Die Zauberflöte, K. 620: March of the Priests
Die Zauberflöte, K. 620: Der Hölle Rache
Die Zauberflöte, K. 620: Ein Mädchen oder Weibchen
Die Zauberflöte, K. 620: Pa-Pa-Pa-Papagena!
Rondo for Piano No. 3 in A Minor, K. 511: Andante
Piano Sonata No. 11 in A Major, K. 331: I. Theme & Variations. Andante grazioso
Piano Sonata No. 11 in A Major, K. 331: III. Rondo alla turca. Allegretto
Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": I. Allegro
Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": III. Rondo
Piano Concerto No. 20 in D Minor, K. 466: I. Allegro
Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
Symphony No. 41 in C Major, K. 551 "Jupiter": IV. Molto allegro
Quintet in A Major for Clarinet and Strings, K. 581: IV. Allegro con Varazioni - 1997 Remastered Version
Divertimento No. 11 in D Major, K. 251, "Nannerl Septet": I. Molto allegro
Three German Dances, K. 605: Dance No. 3 - Schlittenfahrt
Serenade for Orchestra No. 9 in D Major, K. 320 "Posthorn": VI. Minuetto - Trio 1 & 2
Adagio & Fugue in C Minor, K. 546: Fugue
Violin Concerto No. 5 in A Major, K. 219 "Turkish": III. Tempo di menuetto
Symphony No. 29 in A Major, K. 201: I. Allegro moderato
Symphony No. 40 in G Minor, K. 550: IV. Finale. Allegro assai
Piano Concerto No. 15 in B-Flat Major, K. 450: III. Allegro
Je n'aime pas Mozart, mais ça j'aime bien !
Requiem in D Minor, K. 626: III. Sequentia: Dies irae
Requiem in D Minor, K. 626: III. Sequentia: Lacrimosa
Piano Sonata No. 11 in A Major, KV 311: III. Alla Turca. Allegretto
Piano Concerto No. 9 in E-Flat Major, K. 271 "Jeunehomme": III. Rondo. Presto
Piano Concerto No. 23 in A Major, K. 488: II. Adagio
Mozart: Mass in C K317 "Coronation Mass" / Haydn: Missa in tempore belli
Mass in C Major, K. 317 "Coronation": 2. Gloria
Mass in C, K.317 "Coronation": 4. Sanctus
Mass in C, K.317 "Coronation": 5. Benedictus
Mass In C, K.317 "Coronation": 6. Agnus Dei - Live
Missa in tempore belli "Paukenmesse", Hob. XXII:9 in C: Kyrie
Missa in tempore belli "Paukenmesse", Hob. XXII:9 in C: Gloria: Gloria in excelsis Deo
Missa in tempore belli "Paukenmesse", Hob. XXII:9 in C: Credo: Credo in unum Deum
Missa in tempore belli "Paukenmesse", Hob. XXII:9 in C: Sanctus
Missa in tempore belli "Paukenmesse", Hob. XXII:9 in C: Benedictus
Missa in tempore belli "Paukenmesse", Hob. XXII:9 in C: Agnus Dei
Krönungsmesse KV317/Paukenmesse (Classical Choice)
Symphony No. 23 in D Major, K. 181: I. Allegro spiritoso
Symphony No. 28 in C Major, K. 200: I. Allegro spirituoso
Symphony No. 31 in D Major, K. 297 "Paris": I. Allegro assai
Serenade No. 9 in D Major, K. 320 "Posthorn": I. Adagio maestoso - Allegro con spirito
Symphony No. 23 in D Major, K. 181: II. Andantino grazioso
Symphony No. 28 in C Major, K. 200: II. Andante
Symphony No. 31 in D Major, K. 297 "Paris": II. Andantino
Serenade No. 9 in D Major, K. 320 "Posthorn": II. Menuetto - Allegretto - Trio
Symphony No. 23 in D Major, K. 181: III. Presto assai
Symphony No. 28 in C Major, K. 200: III. Minuetto. Allegro
Symphony No. 31 in D Major, K. 297 "Paris": III. Allegro
Serenade No. 9 in D Major, K. 320 "Posthorn": III. Concertante - Andante grazioso
Sinfonia concertante in E-Flat Major, K. 364: I. Allegro maestoso
Symphony No. 28 in C Major, K. 200: IV. Presto
Symphony No. 31 in D Major, K. 297 "Paris": II. Andante (1st Version)
Serenade No. 9 in D Major, K. 320 "Posthorn": IV. Rondeau - Allegro ma non troppo
Sinfonia concertante in E-Flat Major, K. 364: II. Andante
Serenade No. 9 in D Major, K. 320 "Posthorn": V. Andantino
Sinfonia concertante in E-Flat Major, K. 364: III. Presto
Symphony No. 29 in A Major, K. 201: II. Andante
Serenade No. 9 in D Major, K. 320 "Posthorn": VI. Menuetto - Trio I - Trio II
Symphony No. 36 in C Major, K. 425 "Linz": I. Adagio - Allegro spiritoso
Symphony No. 29 in A Major, K. 201: III. Menuetto
Symphony No. 25 in G Minor, K. 183: II. Andante
Serenade No. 9 in D Major, K. 320 "Posthorn": VII. Finale - Presto
Symphony No. 36 in C Major, K. 425 "Linz": II. Andante
Symphony No. 29 in A Major, K. 201: IV. Allegro con spirito
Symphony No. 25 in G Minor, K. 183: III. Menuetto - Trio
Symphony No. 36 in C Major, K. 425 "Linz": III. Menuetto - Trio
Symphony No. 35 in D Major, K. 385 "Haffner": I. Allegro con spirito
Symphony No. 25 in G Minor, K. 183: IV. Allegro
Symphony No. 36 in C Major, K. 425 "Linz": IV. Presto
Symphony No. 35 in D Major, K. 385 "Haffner": II. Andante
Divertimento No. 11 in D Major, K. 251, "Nannerl Septet": II. Menuetto - Trio
Symphony No. 35 in D Major, K. 385 "Haffner": III. Menuetto
Divertimento No. 11 in D Major, K. 251, "Nannerl Septet": III. Andantino
Symphony No. 35 in D Major, K. 385 "Haffner": IV. Finale. Presto
Serenade No. 9 in D Major, K. 320 "Posthorn": VII. Finale. Presto
Divertimento No. 11 in D Major, K. 251, "Nannerl Septet": IV. Menuetto - Tema con variazioni
Divertimento No. 11 in D Major, K. 251, "Nannerl Septet": V. Rondeau - Allegro assai
Divertimento No. 11 in D Major, K. 251, "Nannerl Septet": VI. Marcia alla francese
Great Mass in C Minor, K. 427 (417a): II. Gloria - Allegro vivace
Great Mass in C Minor, K. 427 (417a): II. Gloria - Laudamus te - Allegro aperto
Great Mass in C Minor, K. 427 (417a): II. Gloria - Gratias agimus tibe - Adagio
Great Mass in C Minor, K. 427 (417a): II. Gloria - Domine - Allegro moderato
Great Mass in C Minor, K. 427 (417a): II. Gloria - Qui tollis - Largo
Great Mass in C Minor, K. 427 (417a): II. Gloria - Quoniam - Allegro
Great Mass in C Minor, K. 427 (417a): II. Gloria - Jesu Christe - Adagio
Great Mass in C Minor, K. 427 (417a): III. Credo - Cum sancto spiritu
Great Mass in C Minor, K. 427 (417a): III. Credo - Allegro maestoso
Great Mass in C Minor, K. 427 (417a): IV. Sanctus
Great Mass in C Minor, K. 427 (417a): V. Benedictus - Allegro comodo
Fünfstimmige Blasmusik: Intrada - Intrada - Sarabande - Intrada - Intrada
Brass Ensemble of the Berlin Philharmonic Orchestra
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "on the G String"
The Nutcracker, Op. 71, Act I: No. 2, March
Christmas Oratorio, BWV 248 / Part Two - For The Second Day Of Christmas: No. 10 Sinfonia
Christmas Oratorio, BWV 248 / Part One - For The First Day Of Christmas: No. 8 Aria: "Großer Herr, o starker König"
Vesperae solennes de confessore, K. 339: V. Laudate Dominum - Live
Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro] - Recorded 1964
Florilegium Secondum: Ouverture - Sarabande - Bourrée - Rondeau
Die 12 Cellisten der Berliner Philharmoniker
Concerto for Flute, Harp, and Orchestra in C Major, K. 299: II. Andantino
The Eternal Road: Act I, The Patriarchs, Scene 6: Abraham and Isaac
The Eternal Road: Act I, The Patriarchs, Scene 7: Jacob and the Angel
The Eternal Road: Act I, The Patriarchs, Scene 8: Jacob and Rachel
The Eternal Road: Act I, The Patriarchs, Scene 16: The death of Jacob - The Reconciliation of Joseph and his brothers
The Eternal Road: Act II, Moses, Scene 17: Egypt at the time of Moses' birth
The Eternal Road: Act II, Moses, Scene 20: The top of Mount Sinai - Moses receives God's Commandments
The Eternal Road: Act II, Moses, Scene 21: A Beam of Light appears, through which the Voice of God is heard
The Eternal Road: Act II, Moses, Scene 22: Moses addresses the people
The Eternal Road: Act II, Moses, Scene 23: Moses gives the Commandments to the People - The death of Moses
The Eternal Road: Act III, The Kings, Scene 24: Naomi and Ruth
The Eternal Road: Act III, The Kings, Scene 24 (cont.): Ruth and Boaz
The Eternal Road: Act IV, The Prophets, Scene 32: Isaiah and Jeremiah
The Eternal Road: Act IV, The Prophets, Scene 33: The streets of Jerusalem
The Eternal Road: Act IV, The Prophets, Scene 34: Jeremiah scatters the idols
The Eternal Road: Act IV, The Prophets, Scenes 35 and 36: Chananiah the false prophet - The mob attacks Jeremiah
The Eternal Road: Act IV, The Prophets, Scene 40: After the Destruction of Temple
Milken Archive of Jewish Music: The American Experience
Orquestra Simfònica de Barcelona i Nacional de Catalunya
Canticles for Jerusalem: I. My Heart's in the East
2 Hannah Szenesh Poems: No. 2, Ashrei Ha-garfur
Young Musicians Foundation Debut Orchestra
Genesis Suite: II. Creation (recon. P. Russ)
Genesis Suite: III. Adam and Eve (recon. P. Russ)
Genesis Suite: VI. The Covenant (The Rainbow) (recon. P. Russ)
Concerto grosso No. 3 in E Minor, Op. 6/3, HWV 321: I. Larghetto
Concerto grosso No. 3 in E Minor, Op. 6/3, HWV 321: II. Andante
Concerto grosso No. 3 in E Minor, Op. 6/3, HWV 321: III. Allegro
Concerto grosso No. 3 in E Minor, Op. 6/3, HWV 321: IV. Polonaise. Andante
Concerto grosso No. 3 in E Minor, Op. 6/3, HWV 321: V. Allegro, ma non troppo
Ave Maria, CG 89a (after J.S. Bach: Prelude in C Major, BWV 846)
Concerto for 2 Harpsichords, Strings & Continuo in C Minor, BWV 1060 - Reconstruction For Oboe, Violin, Strings & Continuo: I. Allegro
Concerto for 2 Harpsichords, Strings & Continuo in C Minor, BWV 1060 - Reconstruction For Oboe, Violin, Strings & Continuo: II. Adagio
Concerto for 2 Harpsichords, Strings & Continuo in C Minor, BWV 1060 - Reconstruction For Oboe, Violin, Strings & Continuo: III. Allegro
Christmas Oratorio, BWV 248: No. 9 Choral: "Ach mein herzliebes Jesulein"
Cantiones Sacre (1620) - Eingerichtet für Blechbläser von Hans-Dieter Schwarz: No. 15 - "In dulci jubilo"
"Tritt auf die Glaubensbahn" Cantata, BWV 152: I. Sinfonia
Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante - Recorded 1964
Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai - Recorded 1964
Ancient Airs & Dances, Suite III, P. 172: III. Siciliana (Anonymous)
Christmas Oratorio, BWV 248: No. 1 Chorus: "Jauchzet, frohlocket"
Messe solennelle in A Major, Op. 12, FWV 61: V. Panis Angelicus
Petite Messe solennelle: I. Kyrie eleison - Christe eleison
Vespro della Beata Vergine: Antiphona et Psalmus 121 (Laetatus sum)
Magnificat in E-Flat Major, BWV 243a: VIII. Et misericordia eius
Exsultate, jubilate, K. 165/158a: I. Exsultate, jubilate
Offertory: Intende voci in B-Flat Major, D. 963
Offertory in C Major, Op. 46, D. 136, "Totus in corde langueo"
Offertory in F Major, Op. 47, D. 223, "Salve Regina, mater misericordiae"
Berliner Philharmoniker - The Christmas Album
Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": I. Vivace – Grave – II. Allegro
Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": III. Adagio – Allegro – Adagio
Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": IV. Vivace
Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": V. Allegro –
Concerto grosso No. 8 in G Minor, Op. 6/8 "Christmas Concerto": VI. Largo. Pastorale
Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": I. Grave – Vivace – Adagio –
Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": II. Largo –
Concerto grosso in G Minor, Op. 8 No. 6 "Christmas Concerto": III. Vivace
Gigue in D Major, P. 37/2 (Orch. Seiffert) - Recorded 1969
The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: II. Largo
The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: III. Allegro
Concerto grosso No. 12 in C Major, Op. 3/12 "Christmas Concerto": I. Largo (Pastorale per il Santissimo Natale)
Concerto grosso No. 12 in C Major, Op. 3/12 "Christmas Concerto": II. Largo
Concerto grosso No. 12 in C Major, Op. 3/12 "Christmas Concerto": III. Allegro
The Nutcracker Suite, Op. 71a: IIa. March
The Nutcracker Suite, Op. 71a: IIb. Dance of the Sugar Plum Fairy
The Nutcracker Suite, Op. 71a: IIc. Russian Dance (Trepak)
Canon and Gigue in D Major, P. 37: Gigue in D Major, P. 37/2 (Orch. Seiffert)
Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): II. Adagio
Concerto for 4 Violins in F Major, Op. 3/7, RV 567 (L'estro armonico No. 7): IV. Adagio – Allegro
Violin Concerto in D Major, RV 234 "L'inquietudine": I. Allegro
Violin Concerto in D Major, RV 234 "L'inquietudine": II. Largo
Violin Concerto in D Major, RV 234 "L'inquietudine": III. Allegro
The Four Seasons, Winter, Violin Concerto in F Minor, Op. 8/4, RV 297: I. Allegro non molto
The Nutcracker Suite, Op. 71a: IIe. Chinese Dance (Tea)
The Nutcracker Suite, Op. 71a: IIf. Dance of the Reed-Pipes
Flute Concerto in G Minor, Op. 10/2, RV 439 "La notte": I. Largo – II. Fantasmi. Presto
Concerto for Strings in D Minor, RV 129: I. Adagio – Allegro
Concerto for Strings in D Minor, RV 129: II. Adagio – III. [Allegro]
Concerto grosso in F Minor, Op. 1 No. 8 "Christmas Concerto": I. Largo – II. Grave