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 0x85f4e215fc3412585818d75a6138e8243e87335e1984010498f02a37a3282017. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d8d597d9-0932-4263-bfe9-b43494bb1d41.json and https://artists.proofprofile.net/proofs/artist/d8d597d9-0932-4263-bfe9-b43494bb1d41.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vivaldi: The Four Seasons - Pachelbel: Canon in D Major - Albinoni: Adagio in G Minor - Bach: Violin
Concerto for Violin, Strings and Continuo in E Major, No. 1, Op. 8, RV 269, "Spring": I. Allegro
Concerto for Violin, Strings and Continuo in E Major, No. 1, Op. 8, RV 269, "Spring": II. Largo
Concerto for Violin, Strings and Continuo in E Major, No. 1, Op. 8, RV 269, "Spring": III. Allegro
Concerto for Violin, Strings and Continuo in G Minor, No. 2, Op. 8, RV 315, "Summer": I. Allegro Non Molto
Concerto for Violin, Strings and Continuo in G Minor, No. 2, Op. 8, RV 315,"Summer": II. Adagio
Concerto for Violin, Strings and Continuo in G Minor, No. 2, Op. 8, RV 315, "Summer": III. Presto
Concerto for Violin, Strings and Continuo in F Major, No. 3, Op. 8, RV 293, "Autumn": I. Allegro
Concerto for Violin, Strings and Continuo in F Major, No. 3, Op. 8, RV 293, "Autumn": II. Adagio Molto
Concerto for Violin, Strings and Continuo in F Major, No. 3, Op. 8, RV 293, "Autumn": III. Allegro
Concerto for Violin, Strings and Continuo in F Minor, No. 4, Op. 8, RV 293, "Winter": I. Allegro non molto
Concerto for Violin, Strings and Continuo in F Minor, No. 4, Op. 8, RV 293, "Winter": II. Largo
Concerto for Violin, Strings and Continuo in F Minor, No. 4, Op. 8, RV 293, "Winter": III. Allegro
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 0x3ce53473b38c799bb05ed464d1069ff51441263b13af6d109089fd4241fa8609. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T13:53:06Z), 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/GBKPL1257179.
Violin Concerto in a Minor, No. 1, BWV 1041: I. Allegro moderato
Violin Concerto in a Minor, No. 1, BWV 1041: II. Andante
Violin Concerto in a Minor, No. 1, BWV 1041: III. Allegro assai
Pachelbel: Canon in D Major - Vivaldi: The Four Seasons - Mozart: Turkish March - Beethoven: Fur Eli
Concerto for Violin, Strings and Continuo in E Major, No. 1, Op. 8, RV 269, "La Primavera" (Spring): I. Allegro
Concerto for Violin, Strings and Continuo in E Major, No. 1, Op. 8, RV 269, "La Primavera" (Spring): II. Largo
Concerto for Violin, Strings and Continuo in E Major, No. 1, Op. 8, RV 269, "La Primavera" (Spring): III. Allegro
Concerto for Violin, Strings and Continuo in G Minor, No. 2, Op. 8, RV 315, "L' Estate" (Summer): I. Allegro Non Molto
Concerto for Violin, Strings and Continuo in G Minor, No. 2, Op. 8, RV 315, "L' Estate" (Summer): Ii. Adagio
Concerto for Violin, Strings and Continuo in G Minor, No. 2, Op. 8, RV 315, "L' Estate" (Summer): Iii. Presto
Concerto for Violin, Strings and Continuo in F Major, No. 3, Op. 8, RV 293, "L' Autunno" (Autumn): I. Allegro
Concerto for Violin, Strings and Continuo in F Major, No. 3, Op. 8, RV 293, "L' Autunno" (Autumn): II. Adagio Molto
Concerto for Violin, Strings and Continuo in F Major, No. 3, Op. 8, RV 293, "L' Autunno" (Autumn): III. Allegro
Concerto for Violin, Strings and Continuo in F Minor, No. 4, Op. 8, RV 297, "L' Inverno" (Winter): I. Allegro Non Molto
Concerto for Violin, Strings and Continuo in F Minor, No. 4, Op. 8, RV 297, "L' Inverno" (Winter): II. Largo
Concerto for Violin, Strings and Continuo in F Minor, No. 4, Op. 8, RV 297, "L' Inverno" (Winter): III. Allegro
Piano Sonata No. 11 in A Major, K. 331 "Turkish March": III. Rondò: Alla Turca
A Midsummer Night's Dream, No. 9, Op. 61: Wedding March (For Solo Piano)
A Midsummer Night's Dream, No. 9, Op. 61: Wedding March (For Organ)
Lohengrin: Bridal Chorus (Here Comes the Bride): Prelude to Act III (For Organ)
Pachelbel: Canon in D Major - Vivaldi: Concertos - Bach: Air On the G String & Violin Concerto - Alb
Canon and Gigue in D Major: I. Canon (For Solo Piano)
Canon and Gigue in D Major: I. Canon (For Organ)
Cello Concerto in C Minor, No. 1, RV 401: I. Allegro Non Molto
Cello Concerto in C Minor, No. 1, RV 401: II. Adagio
Cello Concerto in C Minor, No. 1, RV 401: III. Allegro Ma Non Troppo
String Concerto in C Minor, No. 8, RV 127, from Paris Concertos: I. Allegro
String Concerto in C Minor, No. 8, RV 127, from Paris Concertos: II. Largo
String Concerto in C Minor, No. 8, RV 127, from Paris Concertos: III. Allegro
Orchestral Suite in D Major, No. 3, BWV 1068: II. Air
Violin Concerto in A Minor, No. 1, BWV 1041: I. Allegro Moderato
Violin Concerto in A Minor, No. 1, BWV 1041: II. Andante
Violin Concerto in A Minor, No. 1, BWV 1041: III. Allegro Assai
Piano Sonata No. 6 in A Major: I. Toccata
Piano Sonata No. 14 in C Sharp Minor, No. 2, Op. 27, "Moonlight Sonata"
Vivaldi: The Four Seasons - Pachelbel: Canon in D Major - Bach: Air On the G String - Bach: The Well
Concerto for Violin, Strings and Continuo in G Minor, No. 2, Op. 8, RV 315, "L' Estate" (Summer): II. Adagio
Concerto for Violin, Strings and Continuo in G Minor, No. 2, Op. 8, RV 315, "L' Estate" (Summer): III. Presto
The Well-Tempered Clavier, Book I: Prelude No. 1 in C Major, BWV 846
The Well-Tempered Clavier, Book I: Prelude No. 5 in D Major, BWV 850
The Well-Tempered Clavier, Book I: Fugue No. 5 in D Major, BWV 850
The Well-Tempered Clavier, Book I: Prelude No. 2 in C Minor, BWV 847
The Well-Tempered Clavier, Book I: Fugue No. 2 in C Minor, BWV 847
Cantata: "Herz Und Mund Und Tat Und Leben", BWV 147: Jesu, Joy of Man's Desiring, for Solo Piano (Jesus, Bleibet Meine Freude)
Vivaldi: The Four Seasons - Albinoni: Adagio in G Minor - Pachelbel: Canon in D Major - Bach: Jesu,
Cantata: "Herz Und Mund Und Tat Und Leben", Bwv 147: Jesu, Joy of Man's Desiring, for Organ (Jesus, Bleibet Meine Freude)
Piano Sonata No. 11 in a Major, K. 331 "Turkish March": III. Rondò: Alla Turca
Piano Sonata No. 16 in C Major, K. 545 "Sonata Facile": I. Allegro
Piano Sonata No. 16 in C Major, K. 545 "Sonata Facile": II. Andante
Piano Sonata No. 16 in C Major, K. 545 "Sonata Facile": III. Rondò (Allegro)
Ave Maria, Ellen's Gesang III, No. 6, Op. 56, D. 839 (For Solo Piano)
Vivaldi: The Four Seasons - Bach: Violin Concerto - Pachelbel: Canon in D Major - Mozart: Sonata Fac
Violin Concerto in a Minor, No. 1, BWV 1041: I. Allegro Moderato
Violin Concerto in a Minor, No. 1, BWV 1041: III. Allegro Assai
Ave Maria, Ellen's Gesang III, No. 6, Op. 56, D. 839 (For Organ)