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 0xd95ae06c974b2d39f39da23a6e5ee3de3562b631ddc0fcf0d0c1cdb00e855a34. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8553b6ba-1190-4c30-afa1-b1975e18d224.json and https://artists.proofprofile.net/proofs/artist/8553b6ba-1190-4c30-afa1-b1975e18d224.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ballet Class Music - Classical Ballet, Dance with Mozart, Bach, Beethoven, Ballet Lessons with Classical Composers
Hungarian Rhapsody No. 2 in C-Sharp Minor, S. 244 - Harp Version
String Quartet No. 14 in G Major, K. 387: III. Andante cantabile
Morceaux de fantasie, Prélude in C-Sharp Minor, Op. 3: II.
Sonata No. 1 in B Minor, BWV 1014: IV. Allegro - Wood Trio Version
Waltzes in D-Flat Major, Op. 64: No. 1 “Minute Waltz”
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c87c368091073dc8c87bf6d1fdccec3915e792b6e37c571d0e192d16a64189c. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLL431420462.
String Quartet No. 9 in C Major, Op. 59: I. Andante con moto
Die Kunst der Fuge, BWV 1080, “The Art of Fuge”: I. Contrapunctus - Harpsichord Version
String Quartet No. 8 in E Minor, Op. 59: IV. Finale Presto
Volin Sonata No. 28 in E-Flat Major, K. 380: I. Allegro - Organ Version
String Quartet No. 15 in D Minor, K. 421: II. Andante - Piano Version
Sonata No. 2 in D Major, BWV 1028: III. Andante - Harpsichord Version
Sonata No. 3 in E Major, BWV 1016: II. Allegro
Sonata in D Major, K. 306: I. Allegro con spirito - Harpsichord Version
String Quartet No. 1 Op. 18: II. Adagio affettuoso ed appassionato - Harpsichord Version
String Quartet No. 16 in E-Flat Major, K. 428: IV. Allegro vivace - Organ Version
Sonata No. 3 in G Minor, BWV 1029: IV. Allegro Moderato
String Quartet No. 12 in E-Flat Major, Op. 127: I. Maestoso allegro
String Quartet in F Major, K. 370: I. Allegro - Harpsichord Version
Sonata No. 2 in A Minor, BWV 1015: III. Andante un poco - Harpsichord Version
String Quartet No. 11, Op. 95: IV. Allegretto agitato
Cantata No. 172: “Erschallet, ihr Lieder”, BWV 172: IV. Aria - “O Seelenparadies” - Organ Version
String Quartet No. 10, Op. 74: I. Poco Adagio - Organ Version
Sonata No. 1 in G Minor, BWV 1001: IV. Presto - Wood Trio Version
Flute Suite No. 2 in C Minor, BWV 997: I. Prelude - Organ Version
Flute Sonata No. 1 in B Minor, BWV 1030: III. Presto - Wood Trio Version
Sonata in B-Flat Major, K. 454: I. Largo
String Quartet No. 6 in B-Flat Major, K. 159: I. Andante - Wood Trio Version
Nocturne No. 1 (Classical Sounds with Piano)
Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2 "Moonlight Sonata": I. Adagio sostenuto
Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": II. Adagio cantabile
Suite bergamasque, L. 75: III. Clair de lune
Images, Book 2, L. 111: No. 1. Cloches à travers les feuilles
Le quattro stagioni, Concerto No. 4 in F Minor, Op. 8, RV 297 "Winter": II. Largo
The Carnival of the Animals: XIII. The Swan
Peer Gynt Suite No. 1, Op. 46: III. Anitra's Dance
Variations on an Original Theme for Orchestra, Op. 36 "Enigma": IX. "Nimrod"
Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
Solomon, HWV 67: The Arrival of the Queen of Sheba
Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
Piano Sonata No. 16 in C Major, K. 545: II. Andante
Concerto for Two Violins, Strings and Continuo in D Minor, BWV 1043: II. Largo ma non tanto
Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
Liebestraum No. 3 in A-Flat Major, S. 541
Le quattro stagioni, Concerto No. 1 in E Major, Op. 8, RV 269 "Spring" : III. Allegro pastorale
Classical Ballet Class Music: Dance with Tchaikovsky and Brahms, First Ballet Lessons, Baby Ballet
Act I, Sleeping Beauty, Op. 66 No. 1, Prologue
Act I, Sleeping Beauty, Op. 66 No. 2, Scene dansante
Act III, Swan Lake, Op. 20 No. 22, Danse napolitaine
Act III, Swan Lake, Op. 20 No. 23, Mazurka
Act III, Swan Lake, Op. 20 No. 24, Scene
Act IV, Swan Lake, Op. 20 No. 25, Entr'acte
Act IV, Swan Lake, Op. 20 No. 27, Danses des petits cygnes
Act IV, Swan Lake, Op. 20 No. 29, Scene finale
Symphony No. 1 in C Minor, Op. 68: I. Un poco sostenuto
Symphony No. 1 in E Major, Op. 68: II. Andante sostenuto
Symphony No. 1 in E Major, Op. 68: III. Un poco allegretto e grazioso
Symphony No. 2 in D Major, Op. 73: I. Allegro non troppo
Symphony No. 2 in D Major, Op. 73: II. Adagio non troppo
Symphony No. 2 in D Major, Op. 73: III. Allegretto grazioso
Symphony No. 3 in F Major, Op. 90: II. Andante
Symphony No. 3 in F Major, Op. 90: IV. Allegro
Sonata No. 2 in F Major, Op. 99: I. Allegro
Sonata No. 2 in F Major, Op. 99: II. Adagio
Young Ballet Class with Tchaikovsky: Baby Ballet Dance, Ballet Positions, Ballet Music, Ballet Lessons, Ballet Exercises, Ballet Moves
Act II, Sleeping Beauty, Op. 66 No. 10, Entr'acte et scene
Act II, Sleeping Beauty, Op. 66 No. 11, Colin-Maillard
Act II, Sleeping Beauty, Op. 66 No. 13b, Danse
Act II, Sleeping Beauty, Op. 66 No. 14, Scene
Act II, Sleeping Beauty, Op. 66 No. 15a, Pas d'action
Act II, Sleeping Beauty, Op. 66 No. 15b, Variation
Act II, Sleeping Beauty, Op. 66 No. 15c, Coda
Act II, Sleeping Beauty, Op. 66 No. 17, Panorama
Act II, Sleeping Beauty, Op. 66 No. 18, Entr'acte
Act II, Sleeping Beauty, Op. 66 No. 20, Finale
Act III, Sleeping Beauty, Op. 66 No. 21, Marche
Act III, Sleeping Beauty, Op. 66 No. 22, Polacca
Act III, Sleeping Beauty, Op. 66 No. 26, Cendrillon et le prince Fortune
Act III, Sleeping Beauty, Op. 66 No. 28b, Adagio