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 0xa238ef42ef68426414a8d2a5858050a391d53bd638de9c064a98a79cafc29f35. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ce18b82-d949-4830-ae4b-859536aa7dac.json and https://artists.proofprofile.net/proofs/artist/9ce18b82-d949-4830-ae4b-859536aa7dac.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xdd0e1c6fce160667082d3acda9f2318acddbf575485428e5e9dcebd997257848","isrc":"TCAAW1158866","name":"Pachelbel's Canon In D Major","registered_at":"2026-06-29T08:42:38Z","spotify_id":"7FPbE9pME8zagZVjwwt4xl","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd0e1c6fce160667082d3acda9f2318acddbf575485428e5e9dcebd997257848. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7FPbE9pME8zagZVjwwt4xl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7FPbE9pME8zagZVjwwt4xl.
Bach Violin Concerto In A Minor 1st Movement
Bach Violin Concerto In A Minor Second Movement
Bach Violin Concerto In A Minor Third Movement
Le quattro stagioni, Concerto No. 1 in E Major, Op. 8, RV 269, "Spring" : I. Allegro
String Quartet No. 3 in D Major, Op. 18: I. Allegro
String Quartet No. 19 in C Major, K. 465, "Dissonance": III. Menuetto. Allegro
Quartet in D Minor, Op. 76, No. 2, "Fifths": II. Andante o più tosto allegretto
String Quartet in D Major, Op. 20, No. 4 : IV. Presto scherzando
String Quartet No. 14 in G Major, K. 387, "Spring": I. Allegro vivace assai
String Quartet in D Major, Op. 20, No. 4 : III. Allegretto alla zingarese
Quartet in D Minor, Op. 76, No. 2, "Fifths": I. Allegro
String Quartet No. 19 in C Major, K. 465, "Dissonance": IV. Allegro molto
String Quartet No. 19 in C Major, K. 465, "Dissonance": II. Andante cantabile
String Quartet No. 3 in D Major, Op. 18: III. Allegro
String Trio in B-Flat Major, D. 581: I. Allegro moderato
String Trio in B-Flat Major, D. 581: III. Menuetto
Le quattro stagioni, Concerto No. 1 in E Major, Op. 8, RV 269, "Spring" : II. Largo e pianissimo sempre
Le quattro stagioni, Concerto No. 1 in E Major, Op. 8, RV 269, "Spring" : III. Allegro pastorale
String Trio in B-Flat Major, D. 581: IV. Rondo. Allegretto
String Trio in B-Flat Major, D. 581: II. Andante
String Quartet No. 3 in D Major, Op. 18: II. Andante con moto
Le quattro stagioni, Concerto No. 4 in F Minor, Op. 8, RV 297, "Winter": II. Largo
String Quartet No. 3 in D Major, Op. 18: IV. Presto
String Quartet No. 19 in C Major, K. 465, "Dissonance": I. Adagio - Allegro
String Quartet in D Major, Op. 20, No. 4 : I. Allegro di Molto
Quartet in D Minor, Op. 76, No. 2, "Fifths": III. Menuetto. Allegro ma non troppo
Quartet in D Minor, Op. 76, No. 2, "Fifths": IV. Vivace assai
String Quartet No. 15 in D Minor, K. 421: III. Menuetto and Trio. Allegretto
String Quartet No. 15 in D Minor, K. 421: I. Allegro moderato
Le quattro stagioni, Concerto No. 3 in F Major, Op. 8, RV 293, "Autumn": III. Allegro
Le quattro stagioni, Concerto No. 2 in G Minor, Op. 8, RV 315, "Summer": II. Adagio
Le quattro stagioni, Concerto No. 3 in F Major, Op. 8, RV 293, "Autumn": I. Allegro
String Quartet No. 15 in D Minor, K. 421: II. Andante
Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": II. Romanze
Romanian Folk Dances, BB 68: I. Jocul cu bata (Arr. for Violin and Piano)
String Quartet No. 1, Op. 7, BB 52: III. Allegro vivace
String Quartet No. 5, Sz. 102: V. Finale. Allegro vivace
String Quartet No. 5, BB 110: II. Scherzo. Alla bulgarese
Variations on an Original Theme for Orchestra, Op. 36, "Enigma": IX. "Nimrod"
Music for Strings, Percussion and Celesta, Sz. 106: I. Andante tranquillo
String Quartet No. 5, Sz. 102: I. Allegro
Simple Symphony, Op. 4 : II. Playful Pizzicato (Arr. for String Quartet)
Violin Sonata No. 1 in G Major, Op. 78: I. Vivace ma non troppo
Simple Symphony, Op. 4: I. Boisterous Bouree (Arr. for String Quartet)
String Quartet No. 5, BB 110: IV. Andante
String Quartet No. 1 in D Major, Op. 25: IV. Molto vivace
String Quartet in D Major: I. Allegro maestoso -
Violin Sonata No. 3 in D Minor, Op. 108: III. Un poco presto e con sentimento
String Quintet in E Major, Op. 11, No. 5: III. Minuetto
Violin Sonata No. 2 in A Major, Op. 100: I. Allegro amabile
Violin Concerto in D Major, Op. 35: II. Canzonetta. Andante
Romanian Folk Dances, BB 68: VI. Maruntelul (Arr. for Violin and Piano)
String Quartet No. 6, BB 119: III. Mesto - Burletta. Moderato
Le quattro stagioni, Concerto No. 2 in G Minor, Op. 8, RV 315, "Summer": III. Presto
Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": IV. Rondo Allegro
String Quartet No. 4 in C Minor, Op. 18: II. Andante scherzoso quasi allegretto
String Quartet No. 14 in G Major, K. 387 "Spring": II. Minuetto
Violin Sonata No. 1 in G Major, Op. 78: II. Adagio
String Quartet No. 4 in C Minor, Op. 18: IV. Allegro - Prestissimo
String Quartet in D Major: II. Lento ed espressivo
String Quartet No. 14 in G Major, K. 387 "Spring": IV. Molto allegro
Simple Symphony, Op. 4: III. Sentimental Sarabande (Arr. for String Quartet)
Simple Symphony, Op. 4: IV. Frolicsome Finale (Arr. for String Quartet)
String Quartet No. 15 in D Minor, K. 421: III. Minuetto and Trio. Allegretto
String Quartet No. 12 in F major, Op. 96 "American": II. Lento
String Quartet No. 65 in E-Flat Major, Op. 76, No. 6, "Largo": IV. Finale. Allegro spiritoso
String Quartet No. 64 in D Major, Op. 76, No. 5, "Largo": IV. Finale. Presto
String Quartet No. 1, Op. 7, BB 52: I. Lento
String Quartet No. 1 in E Minor, "From my life": IV. Vivace
String Quartet in E Minor, Op. 83: II. Piacevole
String Quartet No. 65 in E-Flat Major, Op. 76, No. 6, "Largo": III. Menuetto. Presto
String Quartet No. 12 in F major, Op. 96, "American": IV. Finale: Vivace ma non troppo
String Quartet No. 3, Op. 94: III. Solo: Very calm - Lively
Violin Concerto No. 4 in D Major, K. 218: I. Allegro
String Quartet No. 19 in C Major, K. 465 "Dissonance": III. Minuetto. Allegro
String Quartet No. 5, BB 110: V. Finale. Allegro vivace
String Quartet No. 15 in D Minor, K. 421: IV. Allegretto ma non troppo
Introduction and Rondo Capriccioso in A Minor, Op. 28
Violin Concerto No. 2, BB 117: III. Allegro molto
Violin Concerto in D Minor, Op. 47: III. Allegro, ma non tanto
Klavier Meditationsmusik Naturtöne - Beruhigende Klavier für Yoga, Meditation, Spa, Massage, Sleep & Rest
Klavierkonzert zum Entspannen (Piano Concert for Relaxation)
Entspannungsmusik für die Schwangerschaft
Klaviermusik zum Genießen oder Einschlafen
Endless Love (Piano Music for Complete Peace)
Hidden Classical Gems - The Complete Collection 50 Treasured Classics
The Lost Violins of Perelandra (soothing violin duets for meditation, relaxation, ambience and rest)