1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xe221e7ad4e275d4b734ca9ca3c3711e44effe156ddee168f3cd0504429680a7c. Chain 2 (Bitcoin): anchored in block 953947 (2026-06-16T13:14:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/220d52b9-df02-4636-aa4f-22677e7152ab.json and https://artists.proofprofile.net/proofs/artist/220d52b9-df02-4636-aa4f-22677e7152ab.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bach: Violin Concerto in E Major / Beethoven: Piano Sonata, Op. 27, No. 2
Haydn: String Quartets, Op. 76 Nos. 4 & 6
Konzert für Oboe d-Moll: Oboe Concerto in D Minor: II. Adagio
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x218b3f036b1a33794655abd4adf7ba753f4f11f4fa9cde4d13abf484ca95738e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/HKI199991002.
Suite für Orchester Nr. 3 D-Dur, BWV 1068: Overture (Suite) No. 3 in D Major, BWV 1068: II. Air, "Air on a G String"
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Music for the Royal Fireworks, HWV 351: III. La paix
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Keyboard Suite No. 7 (Set I) in G Minor, HWV 432: IV. Sarabande
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Trio Sonata in B-Flat Major, Op. 5, No. 17, RV 76: II. Allemanda: Allegro
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Trio Sonata in B-Flat Major, Op. 5, No. 17, RV 76: III. Corrente: Allegro
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Water Piece in D Major, HWV 341 (arr. for trumpet and orchestra): II. Allegro (Gigue)
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Violin Partita No. 3 in E Major, BWV 1006: I. Preludio
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Trumpet Sonata in D Major, Z. 850: I. Allegro
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Trumpet Sonata in D Major, Z. 850: III. Allegro
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Sonata a 5 in G Minor, Op. 2, No. 6: I. Adagio
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Sonata a 5 in G Minor, Op. 2, No. 6: III. Grave
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Sonata a 5 in G Minor, Op. 2, No. 6: IV. Allegro
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Suite für Orchester Nr. 2 h-Moll, BWV 1067: Overture (Suite) No. 2 in B Minor, BWV 1067: VII. Badinerie
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Serses, HWV 40: Serse (Xerxes), HWV 40, Act I: Ombra mai fu, "Largo" (arr. for oboe and orchestra)
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Konzert für Oboe Nr. 3 g-Moll, HWV 287: Oboe Concerto No. 3 in G Minor, HWV 287: III. Sarabande
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Solomon, HWV 67, Act III: Sinfonia, "Arrival of the Queen of Sheba"
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Herz und Mund und Tat und Leben, BWV 147: Chorale: Jesus bleibt meine Freude (arr. for organ)
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Flute Concerto in D Major, Op. 10, No. 3, RV 428, "Il gardellino": II. Cantabile
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Concerto for Lute and 2 Violins in D Major, RV 93 (arr. for lute and strings): I. Allegro giusto
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Der Messias, HWV 56: Messiah, HWV 56, Part II: Hallelujah! (Chorus)
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The 4 Seasons: Violin Concerto in G Minor, Op. 8, No. 2, RV 315, "L'estate" (Summer): III. Presto
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The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
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Flute Concerto in A Minor, RV 445: I. Allegro
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The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": II. Largo e pianissimo sempre
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Flute Concerto in A Minor, RV 445: II. Larghetto
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The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": I. Allegro non moto
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Gloria, RV 588: Et in terra pax hominibus
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The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": III. Presto
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The Four Seasons, Violin Concerto in F Major, Op. 8 No. 3, RV 293 "Autumn": I. Allegro
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The Four Seasons, Violin Concerto in F Major, Op. 8 No. 3, RV 293 "Autumn": II. Adagio molto
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Violin Concerto in A Major, Op. 4, No. 5, RV 347: 12 Violin Concertos, Op. 4, "La stravaganza": No. 5 in A Major, RV 347
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The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": I. Allegro non molto
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Chamber (Lute) Concerto in D Major, RV 93: I. Allegro
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The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo
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Dixit Dominus in D Major, RV 595: Gloria Patri, Sicut erat in principio - Et in saecula saeculorum
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Salve Regina in F Major, RV 617: Salve Regina
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Violin Concerto in G Major, RV 311 "In tromba marina": I. Allegro
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Concerto for 2 Mandolins in G Major, RV 532: I. Allegro
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Concerto for 2 Mandolins in G Major, RV 532: II. Andante
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Flute Concerto in D Minor, RV 431a, "Il Gran Mogol": I. Allegro non molto
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Bassoon Concerto in D Minor, RV 482: Concerto for bassoon in D Minor, RV 482: Allegro molto (fragment)
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Bassoon Concerto in F Major, RV 486: I. Allegro
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L'incoronazione di Dario, RV 719: Mi va scherzando in sen
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Oboe Sonata in C Minor, RV 53: II. Allegro
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Beruhigende klassische Musik für den Alltag
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Concerto for Strings in G Major, RV 151 "Alla rustica"
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Flute Concerto in D Major, Op. 10 No. 3, RV 428 "Il gardellino": Flute Concerto in D Major, Op. 10, No. 3, RV 428, "Il gardellino": II. Cantabile
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Concerto for 2 Trumpets in C Major, RV 537: I. Allegro
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The 4 Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo
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Concerto for 4 Violins in B Minor, Op. 3 No. 10, RV 580: I. Allegro
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BERCEUSE - Classical Favourites for Relaxing and Dreaming
Giuliani: Grand Overture, Op. 61 / Liszt: Liebestraume
Borodin: String Quartet No. 2 in D Major / Brahms: Intermezzos
Dvorak: String Quintet / Serenade in D Minor
Classical Violin, Piano, Cello and More!