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 0x85de6548bbbd6a344d782d5423a3700e6e4b1355866f48f57e018347b3cffa52. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aa5577d3-3701-446d-95c8-73860cf0aec5.json and https://artists.proofprofile.net/proofs/artist/aa5577d3-3701-446d-95c8-73860cf0aec5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Great Composers Collection: Antonio Vivaldi
Four Seasons Conerto No. 1 In E Major - Spring
Four Seasons Concerto No. 2 In G Minor - Summer
Violin Concerto Op. 9 No. 8 In D Minor - La Cetra
Four Seasons Concerto No. 3 In F Major - Autumn
Concerto No. 10 In B Minor for 4 Violins
Violin Concerto Op. 4 No. 2 In A Major - Le Cetra
Four Seasons Concerto No. 4 In F Minor - Winter - "Allegro Non Molto"
Violin Concerto Op 4. No. 12 In G Major - La Stravaganza
Four Seasons Concerto No. 1 In E Major - Spring
Violin Concerto Op. 4 No. 9 In F Major - La Stravaganza
Four Seasons Concerto No. 4 In F Minor - Winter
Masterworks of Worship Volume 3 - Great Instrumentals
Concerto No. 10 in B Minor RV 580 for Violins: Allegro
Symphony in D Major "Paris" KV 297: Andante
The Nutcracker Op. 71: Miniature Overture
Concerto in D Minor for Oboe & Strings BWV 1059R: Adagio
Music for the Royal Fireworks: Minuet, Trio, Da Capo, Trio, Da Capo
The Four Seasons Concerto No. 1 in E Major - Spring RV 269: Allegro (3)
String Quartet "The Bird" in C Major No. 3 Op. 33: Adagio
Symphony No. 35 "Haffner" in D Major KV 385: Allegro con spirito
Symphony No. 94 "Surprise" in G Major: Andante
Piano Sonata No. 14 Op. 27,2 (Moonlight Sonata): Adagio sostenuto
Symphony No. 9 "Swiss" in C Minor: Scherzo - Trio, piu, lento
Sonata No. 2 for Violin & Piano In D Minor Op. 121: Bewegt
Symphony No. 3 "Rhenish" in E-flat Major Op. 97 "Feierlich"
Symphony No. 1 in C Minor Op. 68: Un poco Allegretto e grazioso
Violin Concerto Op. 4 No. 12 in G Major - La Stravaganza RV 298: Spiritoso
Flute Concerto "Il Cardellino" No. 3 in D Major Op. 10
Prelude No. 17 in A-flat Major Op. 28: Allegretto
Brandenburg Concerto No. 1 in F Major BWV 1046: Adagio
Symphony No. 4 "Italian" in A Major Op. 90: Andante Con Moto
The Four Seasons Concerto No. 4 in F Minor - Winter RV 297: Allegro non molto
Water Music Suite 3 in G Major "Rigaudon"
Symphony No. 2 in D Major Op. 73: Allegretto grazioso (Quasi Andantino). Presto ma non assai
String Quartet in B-flat Major D 36: Andante
Piano Sonata No. 8 in C Minor Op. 13: Adagio Cantabile
String Quartet in A Minor Op. 13: Intermezzo
Piano Concerto in D Major KV 40: Allegro maestoso
Orchestral Suite No. 3 in D Major BWV 1068 "Air"
Symphony No. 1 "Spring" in B-flat Major Op. 38: Scherzo (Molto Vivace)
Concerto for Horn & Orchestra in E-flat No. 4 KV 495: Rondo-Allegro vivace
The Four Seasons Concerto No. 2 in G Minor Summer RV. 315: Presto, presto
Violin Concerto Op. 4 No. 9 in F Major RV 284 - La Stravaganza: Largo
Symphony No. 2 in B-flat Major D 125: Minuetto, Allegro vivace
Symphony No. 3 in D Major D 200: Allegretto
Brandenburg Concerto No. 2 in F Major BWV 1047: Allegro assai
The Four Seasons Concerto No. 3 in F Major - Autumn RV 293: Allegro
String Quartet in C Major D 46: Finale: Allegro
Music for the Royal Fireworks "The Rejoicing"
Violin Concerto Op. 9 No. 8 in D Minor "La Cetra" RV 345: Allegro
The Sleeping Beauty No. 4 Op. 66 "Panorama"
Holberg Suite: Gavotte. Musette. Gavotte
Symphony No. 44 "Mourning" in E Minor: Menuetto, Allegretto
Mozart Symphony No. 40 - Menuetto: Allegretto
Mozart: Eine Kleine Nachtmusik - Allegro
Mozart: Eine Kleine Nachtmusik - Romanze, Andante
Mozart: Eine Kleine Nachtmusik - Allegro - Trio - Menuetto Da Capo
Mozart: Eine Kleine Nachtmusik - Rono - Allegro
Sleeping Beauty - Introduction and March
Sleeping Beauty No.4 - Panorama - No. 4 Panorama
Sleeping Beauty No.5 - Waltz - No. 5 Waltz
Peer Gynt Suite No. 1 Op. 46 - Death Of Aase
Peer Gynt Suite No. 1 Op. 46 - Anitra's Dance
Peer Gynt Suite No. 1 Op. 55 - Solviegs Song
Bach: Brandenburg Concerto No. 3 - 1st Movement
Handel: Water Music, Suite No. 1 In F Major 'Andante' - Andante
Bach: Brandenburg Concerto No. 3 - 2nd & 3rd Movements
Handel: Water Music, Suite No. 3 In G Major 'Rigaudon' - Rigaudon
Handel: Water Music, Suite No. 2 In D Major 'Menuet' - Menuet
Handel: Water Music, Suite No. 1 In F Major 'Air' - Air
Handel: Water Music, Suite No. 1 In F Major 'Allegro' - Allegro
Handel: Water Music, Suite No. 2 'Hornpipe' - Hornpipe
Four Seasons - Concerto No. 1 In E Major Spring 'Allegro (1)' - Spring 'Allegro 1'
Four Seasons - Concerto No. 2 In G Minor Summer 'Presto' - Summer 'Presto'
Four Seasons - Concerto No. 3 In F Major Autumn 'Allegro' - Autumn 'Allegro'
Four Seasons - Concerto No. 4 In F Major Winter 'Allegro On Molto' - Winter 'Allegro On Molto'
Four Seasons - Concerto No. 1 In E Major Spring 'Allegro (3)' - Spring 'Allegro 3'
Four Seasons - Concerto No. 4 In F Minor - Winter 'Allegro' - Winter 'Allegro'
Bizet: Carmen Suite No. 1 - Les Toreadors
Mozart: The Marriage Of Figaro - Overture
Schubert: Ballet Music No. 2 - Rosamunde D797
Dvorak: Symphony No. 9 (from New World) Op. 95 - IV Allegro con fuoco - From New World Symphony
Flute Concerto, Op. 10, No. 3 'Il Cardellino'
Water Music, Suite No. 2 In D Major, 'Menuet'
Water Music, Suite No. 1 In F Major 'Air'
Your Wedding - Essential Selection of Wedding Music
Wedding March from a Midsummer Night's Dream
A Midsummer Night's Dream Op. 61 & 9 "Wedding March"
Music for the Royal Fireworks "The Rejoicing" Your Wedding
Orchestral Suite No. 3 in D Major, BWV 1068: Air
Concerto in D Minor for Oboe, String Instruments and Baso Continuo, BWV 1059R: Largo
Brandenburg Concerto in D Minor: Andante
Brandenburg Concerto No. 2 in F Major, BWV 1047: Allegro Assai
Brandenburg Concerto No. 1 in F Major, BWV 1046: Adagio
Orchestral Suite No. 3 in D: Gavotte No. 1
Orchestral Suite No. 3 in D: Gavotte No. 2
Concerto No. 4, RV 297 in F Minor, from Four Seasons
Concerto No. 1, RV 269 in E Major, from Four Seasons
Concerto No. 2 in G Minor, from Four Seasons
Concerto No. 3, RV 293 in F Major, from Four Seasons
There Were Shepherds Abiding In the Fields
Es Ist Ein Ros' Entsprungen (Lo How A Rose E'er Blooming)
O Du Frohliche, O Du Selige (Oh Thou Joyful)
Quem Pastores Laudavere (He Whom Shepherds Came To Praise)
Schlaf Wohl, Du Himmelsknabe Du (Sleep Well, Thou Heavenly Child)
Stille Nacht, Heilige Nacht (Silent Night, Holy Night)
Christmas Concerto, Part I: Vivace / Grave / Allegro
Christmas Concerto, Part II: Adagio / Allegro / Adagio
Christmas Concerto, Part III: Vivace / Allegro / Largo Pastorale