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 0x613190583d0319baa0ebe22165cf738067b00cda73234c2424b1dad827d1ab56. Chain 2 (Bitcoin): anchored in block 953915 (2026-06-16T08:36:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/191f2477-ab12-451a-a647-28d480151e34.json and https://artists.proofprofile.net/proofs/artist/191f2477-ab12-451a-a647-28d480151e34.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ballet Dance Music for Kids & Children - Ballet Class Music, Dance Lessons, Baby Ballet, Piano Music for Ballet, First Ballet Lessons
Beautiful Ballet Music for Young Dancers
Pliet (Music for Children to Teach Ballet)
Classical Music for Ballet Class: Classical Quartet Music Collection and Timeless Masterpieces of Famous Composers
String Quartet No. 6 in B-Flat Major, K. 159: I. Andante
Violin Sonata No. 17 in C Major, K. 296: I. Allegro vivace
Wachet auf, Ruft uns die Stimme in E-Flat Major, BWV 645
Flute Sonata in B Minor, BWV 1030: IV. Allegro
Flute Sonata in E-Flat Major, BWV 1031: II. Siciliano
Flute Sonata in A Major, BWV 1032: I. Allegro moderato
The Art of Fugue, BWV 1080: Contrapunctus I
Trio Sonata No. 4 in E Minor, BWV 528: III. Un poco allegro
String Quartet No. 11 in F Minor, Op. 95: IV. Larghetto espressivo
String Quartet No. 12 in E-Flat Major, Op. 127: I. Maestoso - Allegro
String Quartet No. 12 in E-Flat Major, Op. 127: II. Adagio ma non troppo
String Quartet No. 12 in E-Flat Major, Op. 127: III. Scherzando vivace
Magnificat primi toni, 23 Fugues on the 1st Tone in D Minor: Fugue I-2
String Quartet No. 11 in C Major, Op. 61: I. Allegro
Ballades No. 4 in B Major, Op. 10: IV. Andante con moto
Sonata No. 1 in E Minor for Cello and Piano, Op. 38: II. Allegretto – Quasi menuetto
String Quartet No. 10 in E-Flat Major, Op. 125 No. 1, D. 87: I. Allegro moderato
Sonatina No. 1 in D Major, Op 137, D. 384: I. Allegro molto
Sonatina No. 2 in A Minor, Op. 137, D. 385: II. Andante
Sonatina No. 3 in G Minor, Op. 137, D. 408: I. Allegro giusto
Jazz Piano Music for Ballet: Dance Lessons, Inspiration Ballet Class, Modern Instrumental Jazz Piano, Ballet Dance School Music for Children, Kids and Baby
Pique (Jazz Music for Children to Teach Ballet)
Gentle Piano Jazz for Baby Ballet: Inspirational Music for Kids & Children, Dancing and Having Fun
Ballet Piano Jazz - Music for Dance Lesson, Classes for Kids and Adults, Background Sounds for Gentle Movement and Perfect Posture
Jazz Ballet (Modern Piano for Dance Classes, Balerina Choreography)
Ballet Class with Jazz – Inspirational Piano Music for Ballet Dance Lessons
Vintage Inspirational Jazz Ballet – Ultimate Retro Piano Music, Warm Up, Dance Lessons, Ballet Class for Adult
Musique douce et piano pour ballet: Cours de ballet, Exercices de ballet et mouvements de ballet jazz
Colorful Funk Jazz: Fresh Instrumental Vision, Modern Ballet Class
Jazz Music for Dance Clubs. Swinging Rhythms of Swing, Joyful Atmosphere, Pleasant Dancing
Swing Dance Music. Rhythmic Party Songs, Nice Atmosphere, Good Fun, Joyful Time
Swing and Jazz for a Dance Party. Joyful Instrumental Music, Incredible Sounds, Relax Time
Jazz Dance Music - Instrumental Pieces. Party All the Time, All Night Long, Great Sounds
Joyful Jazz. Restaurant & Cafe Bar Background Music. Cheerful Sounds
London Restaurants with Jazz Music. Amazing Ambient Improving Mood
Upbeat Jazz: Music for Better Mood. Listen in Your Free Time, Bossa Nova Pieces
Dancing Jazz Music. Dance Party in the Club. Piano, Sax, Instrumental Pieces
Friday Dancing Jazz: Music for Clubs. Energetic and Calm Sounds
Ballet Practice for Kids: Background Piano
Piano for Ballet Dance: Instrumental Dance Lessons, Ballet Exercise 2021
Musique de cours de ballet - Musique de danse classique pour écoles de danse
Musique de cours ballet jazz: Écoles de musique de piano jazz et danse de ballet, cours de danse et ballet
Cours de ballet d'inspiration: Piano Jazz Instrumental Moderne
Étirements (Musique d'ambiance pour piano)
Ballet Class for Kids: Ballet Piano Music for Children to Dance