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 0xa988111ae7c349461aae8840b88478cdd7ed208ac5a66db65040777f21e89392. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/60b87a0a-8d2a-4b69-9d17-2ec182bc84ef.json and https://artists.proofprofile.net/proofs/artist/60b87a0a-8d2a-4b69-9d17-2ec182bc84ef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Concerto Grosso No. 8 in G Minor, Op. 6 'Christmas Concerto': I. Vivace - Grave
Concerto Grosso No. 8 in G Minor, Op. 6 'Christmas Concerto': II. Allegro
Concerto Grosso No. 8 in G Minor, Op. 6 'Christmas Concerto': III. Adagio - Allegro - Adagio
Concerto Grosso No. 8 in G Minor, Op. 6 'Christmas Concerto': IV. Vivace
Concerto Grosso No. 8 in G Minor, Op. 6 'Christmas Concerto': V. Allegro
Concerto Grosso No. 8 in G Minor, Op. 6 'Christmas Concerto': VI. Largo
Christmas Oratorio, BWV. 248: No. 1, Coro: Jauchzet, frohlocket, auf, preiset die Tage
Christmas Oratorio, BWV. 248: No. 2, Evangelista: Es begab sich aber zu der Zeit
Christmas Oratorio, BWV. 248: No. 3, Recitative: Nun wird mein liebster Bräutigam
Christmas Oratorio, BWV. 248: No. 4, Aria: Bereite dich, Zion, mit zärtlichen Trieben
Brandenburg Concerto No. 3 in G Major BWV. 1048: I. Allegro
Brandenburg Concerto No. 3 in G Major, BWV. 1048: II. Adagio
Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
Cantata No. 147, BWV. 147 'Herz und Mund und Tat und Leben' Part 2: Jesu bleibet meine Freude (Jesu, joy of man's desiring)
Orchestral Suite No. 3 in D Major, BWV. 1068: II. Air
Recorder Concerto in C Major, RV. 443: II. Largo
Concerto Grosso in C Major, Op. 3 No. 12 "Per Il Santissimo Natale": I. Pastorale (Largo)
Concerto Grosso in C Major, Op. 3 No. 12 "Per Il Santissimo Natale": II. Largo
Concerto Grosso in C Major, Op. 3 No. 12 "Per Il Santissimo Natale": III. Allegro
Concerto Grosso, Op. 1 No. 8: II - IV. Grave - Vivace - Grave
Messiah, HWV. 56, Part 1: For unto us a child is born (chorus: Andante allegro)
Messiah, HWV. 56, Part 3: I know that my Redeemer liveth
Messiah, HWV. 56, Part 2: Hallelujah (chorus: Allegro)
Messiah, HWV. 56, Part 1: Pifa 'Pastoral Symphony' (Larghetto e mezzo piano)
Violin Concerto No. 4 in F Minor, RV. 297 'Winter': I. Allegro non molto
Violin Concerto No. 4 in F Minor, RV. 297 'Winter': II. Largo
Violin Concerto No. 4 in F Minor, RV. 297 'Winter': III. Allegro
Magnificat in E-Flat Major, BWV. 243a: I. Magnificat (Chorus)
Magnificat in E-Flat Major, BWV. 243a: II. Et exsultavit (Aria)
Magnificat in E-Flat Major BWV. 243a: Appendix I. Vom Himmel hoch (Soprano I & II, Alto, Tenor, Bass)
Magnificat in E-Flat Major BWV. 243a: III. Quia respexit (Aria)
The Nutcracker, Op. 71, Act I Scene 1: March
The Nutcracker, Op. 71, Act II Scene 3: Waltz of the Flowers
The Nutcracker, Op. 71, Act II Scene 3: Pas de deux, Dance of the Sugar-Plum Fairy - Coda [to Pas de deux]
Cinderella, Op. 87, Act I: The Winter Fairy (Allegro moderato)
Children's Corner, L. 113: IV. The Snow is Dancing
Rodney Christian Fellowship Festival Choir
In the Bleak Midwinter, H. 73 No. 1 (Instrumental Version)
Symphony No. 1 in G Minor, Op. 13 'Winter Daydreams': I. Daydreams on a Winter Journey (Allegro tranquillo)
Symphony No. 1 in G Minor Op. 13 'Winter Daydreams': II. Land of Gloom, Land of Mist (Adagio cantabile ma non tanto)
Mystery Sonatas, Sonata No. 3: The Nativity: Sonata
Mystery Sonatas, Sonata No. 3: The Nativity: Courente
No Fool No More (From "Why Do Fools Fall In Love")
When the Night Comes (From "An Innocent Man")
Die 12 Cellisten der Berliner Philharmoniker
The City of Prague Philharmonic Orchestra
Holst: 3 Hymns for the English Hymnal: No. 1, In the Bleak Mid-Winter
Holst: 3 Hymns for the English Hymnal: No. 1, In the Bleak Mid-Winter (Instrumental Version)
Prélude à l'après-midi d'un faune, L. 86
Violin Concerto No. 2 in D Major, K. 211: II. Andante
String Quartet in C Major, Op. 76 No. 3 "Emperor": II. Poco adagio cantabile
The Nutcracker, Op. 71, Act I: Waltz of the Snowflakes
Carnival of the Animals, R. 125: XIII. The Swan
The Seasons, Op. 67, Tableau I "Winter": VI. Snow (Allegretto)
Variations on an Original Theme, Op. 36, "Enigma": IX. Nimrod
Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante (Excerpt)
Clarinet Quintet in B Minor, Op. 115: II. Adagio
Piano Concerto No. 20 in D Minor, K. 466: II. Romanze (Excerpt)
Violin Concerto No. 5 in A Major, K. 219: II. Adagio
String Quartet No. 9 in C Major, Op. 59 No. 3 "Razumovsky No. 3": III. Menuetto (Grazioso) & Trio
Serenade No. 1 in D Major, Op. 11: III. Adagio non troppo
Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto (Excerpt)
Clarinet Concerto in A Major, K. 622: II. Adagio (Excerpt: Opening)
Piano Quintet in A Major, D. 667 "The Trout": II. Andante
Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto
Violin Concerto in A Minor, BWV 1041: II. Andante
Symphony No. 2 in D Major, Op. 36: II. Larghetto