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 0x4e90afeba1fbd6bdc44d008bc2fe054ae6c877b46fc13bfdc90c1104cceb2d96. Chain 2 (Bitcoin): anchored in block 954689 (2026-06-21T10:35:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e30e0341-cbe2-4601-9a2e-12b94405ea9f.json and https://artists.proofprofile.net/proofs/artist/e30e0341-cbe2-4601-9a2e-12b94405ea9f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bach - Piano Concertos No 2 and No 4; Boccherini - Cello Concerto No 2 etc
Concerto for Piano & Orchestra No. 2 in E major, BWV 1053
Concerto for Piano & Orchestra No. 4 in A major, BWV 1055
Concerto for Violoncello & Orchestra No. 2 in D major
Chamber Orchestra of Moscow Philharmonic Society
Concerto Grosso In D Major, Op. 6 No. 1: I. Largo
Concerto Grosso In D Major, Op. 6 No. 1: II. Allegro
Concerto Grosso In D Major, Op. 6 No. 1: III. Largo - Allegro
Concerto Grosso In D Major, Op. 6 No. 1: IV. Allegro
Concerto Grosso In D Major, Op. 6 No. 1: V. Largo
Concerto Grosso In D Major, Op. 6 No. 1: VI. Allegro
Concerto Grosso In D Major, Op. 6 No. 1: VII. Allegro
Concerto Grosso In F Major, Op. 6 No. 2: I. Vivace - Allegro - Adagio - Vivace - Allegro - Largo Andante
Concerto Grosso In F Major, Op. 6 No. 2: II. Allegro
Concerto Grosso In F Major, Op. 6 No. 2: III. Grave - Andante Largo
Concerto Grosso In F Major, Op. 6 No. 2: IV. Allegro
Concerto Grosso No. 3 In C Minor, Op. 6: I. Largo
Concerto Grosso No. 3 In C Minor, Op. 6: II. Allegro
Concerto Grosso No. 3 In C Minor, Op. 6: III. Grave
Concerto Grosso No. 3 In C Minor, Op. 6: IV. Vivace
Concerto Grosso No. 3 In C Minor, Op. 6: V. Allegro
Concerto Grosso No. 4 In D Major, Op. 6: I. Adagio - Allegro
Concerto Grosso No. 4 In D Major, Op. 6: II. Adagio
Concerto Grosso No. 4 In D Major, Op. 6: III. Vivace
Concerto Grosso No. 4 In D Major, Op. 6: IV. Allegro
Concerto Grosso No. 5 In B-Flat Major, Op. 6: I. Adagio - Allegro - Adagio
Concerto Grosso No. 5 In B-Flat Major, Op. 6: II. Adagio
Concerto Grosso No. 5 In B-Flat Major, Op. 6: III. Allegro - Adagio
Concerto Grosso No. 5 In B-Flat Major, Op. 6: IV. Largo - Allegro
Concerto Grosso No. 6 In F Major, Op. 6: I. Adagio
Concerto Grosso No. 6 In F Major, Op. 6: II. Allegro
Concerto Grosso No. 6 In F Major, Op. 6: III. Largo
Concerto Grosso No. 6 In F Major, Op. 6: IV. Vivace
Concerto Grosso No. 6 In F Major, Op. 6: V. Allegro
Concerto Grosso No. 7 In D Major, Op. 6: I. Vivace - Allegro
Concerto Grosso No. 7 In D Major, Op. 6: II. Adagio
Concerto Grosso No. 7 In D Major, Op. 6: III. Allegro
Concerto Grosso No. 7 In D Major, Op. 6: IV. Andante - Largo
Concerto Grosso No. 7 In D Major, Op. 6: V. Allegro
Concerto Grosso No. 7 In D Major, Op. 6: VI. Vivace
Concerto Grosso No. 8 In G Minor, Op. 6, "Christmas Concerto": I. Vivace - Grave: Arcate, Sostenuto E Come Sta
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 (Attacca)
Concerto Grosso No. 8 In G Minor, Op. 6, "Christmas Concerto": VI. (Attacca) Largo: Pastorale Ad Libitum
Concerto Grosso No. 9 In F Major, Op. 6: I. Preludio: Largo
Concerto Grosso No. 9 In F Major, Op. 6: II. Allemanda: Allegro
Concerto Grosso No. 9 In F Major, Op. 6: III. Courante: Vivace
Concerto Grosso No. 9 In F Major, Op. 6: IV. Gavotte: Allegro
Concerto Grosso No. 9 In F Major, Op. 6: V. Adagio
Concerto Grosso No. 9 In F Major, Op. 6: VI. Menuetto: Vivace
Concerto Grosso No. 10 In C Major, Op. 6: I. Preludio: Andante Largo
Concerto Grosso No. 10 In C Major, Op. 6: II. Allemande: Allegro
Concerto Grosso No. 10 In C Major, Op. 6: III. Adagio
Boccherini, Vivaldi, Tartini: Cello Concertos
Cello Concerto in D Major: II. Adagio cantabile
Cello Concerto in D Major: III. Allegro vivo
Cello Concerto in A Minor, RV 422: I. Allegro (Arr. Gian Francesco Malipiero)
Cello Concerto in A Minor, RV 422: II. Largo cantabile (Arr. Gian Francesco Malipiero)
Cello Concerto in A Minor, RV 422: III. Allegro (Arr. Gian Francesco Malipiero)
Cello Concerto in A Major: II. Larghetto
Cello Concerto in A Major: III. Allegro assai
Boccherini: Concerto for Violoncello and Orchestra No. 2 in D Major (Digitally Remastered)
Concerto for Violoncello and Orchestra No. 2 in D Major: I. Allegro
Concerto for Violoncello and Orchestra No. 2 in D Major: II. Adagio cantabile
Concerto for Violoncello and Orchestra No. 2 in D Major: III. Allegro vivo
Concerto Grosso No. 8 in G Minor, Op. 6, "Christmas Concerto": V. Allegro (attacca)
Concerto Grosso No. 8 in G Minor, Op. 6, "Christmas Concerto": I. Vivace - Grave: Arcate, sostenuto e come sta
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": VI. (attacca) Largo: Pastorale ad libitum
Concerto grosso No. 6 in F Major, Op. 6: V. Allegro
Concerto grosso No. 1 in D Major, Op. 6: II. Allegro
Concerto grosso No. 1 in D Major, Op. 6: IV. Allegro
Dramatic Moods (Janacek, Brahms, Leoncavallo, Bruckner, Corelli, Nielsen, Mussorgskij, Durante, Mozart, Auber, Glazunov, Bruckner, Gershwin, Elgar, Corelli)
Cello Concerto in D Major, G. 479: I. Allegro
Cello Concerto in D Major, G. 479: II. Adagio
Cello Concerto in D Major, G. 479: III. Allegro