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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd85d2cd218ae8ed883d7a6133167db7cb774d6b63c1422eab2afaa56c6068928. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b49c07f1-74ce-4416-9f07-1825ceab0e02.json and https://artists.proofprofile.net/proofs/artist/b49c07f1-74ce-4416-9f07-1825ceab0e02.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Folksongs by Alfred Deller: The Three Ravens; The Wraggle-Taggle Gypsies
How Should I Your True Love Know (Ophelia's song from Hamlet)
Heigh Ho, the Wind and the Rain (Twelfth Night)
O Who's Going to Shoe Your Pretty Little Foot
Black is the colour of my true love's hair
Sinfonies de Fanfare in D Major: 1. Rondeau
Sinfonies de Fanfare in D Major: 2. Air (1st movement of Suite No. 2)
Sinfonies de Fanfare in D major: 3. Fanfares (3rd movement of Suite No. 1)
Ihr lieben Christen, freut euch nun: Fanfare und Chor in B-Flat Major (Arr. for 3 trumpets, timpani and organ by Robert King)
Herz und Mund und Tat und Leben, Cantata BWV 147: Final Chorus from Cantata BWV 147 (Arr. for 3 trumpets and organ by Frank Campbell-Watson)
Cantata, BWV 137 "Lobe den Herren, den mächtigen König der Ehren": "Lobe den Herren" Final chorale in C Major (Arr. for 3 Trumpets, Timpani and Organ)
Cantata No.130 "Herr Gott, dich loben wir", BWV 130: "Darum wir billig loben dich" in B-Flat Major (Arr. for 3 Trumpets, Timpani and Organ)
Cantata, BWV 41: "Dein ist allein die Ehre" Final chorale in B-Flat Major (Arr. for 3 Trumpets, Timpani and Organ)
Marche de Triomphe et Second Air de Trompette in D Major: 1. Marche de triomphe (Arr. Friedrich Held)
Marche de Triomphe et Second Air de Trompette in D Major: 2. Second Air de trompette (Arr. Friedrich Held
Toccata in D Major (Arr. Eberhard Kraus & Friedrich Held)
Air and Variations in B-Flat Major (Arr. for 3 Trumpets and Organ by Richard Franko Goldman)
Sound the Trumpets in F Major (Arr. for 3 Trumpets and Organ by Allen Ostrander)
Trio Sonata for 2 Violins and Continuo in B-Flat Major, Op.2, No.3, HWV 38: 1. Andante (Arr. in A-Flat Major by Eric Hanson for 3 trumpets and Organ)
Trio Sonata for 2 Violins and Continuo in B-Flat Major, Op.2, No.3, HWV 38: 2. Allegro (Arr. in A-Flat Major by Eric Hanson for 3 trumpets and Organ)
Trio Sonata for 2 Violins and Continuo in B-Flat Major, Op.2, No.3, HWV 38: 3. Larghetto (Arr. in A-Flat Major by Eric Hanson for 3 trumpets and Organ)
Trio Sonata for 2 Violins and Continuo in B-Flat Major, Op.2, No.3, HWV 38: 4. Allegro (Arr. in A-Flat Major by Eric Hanson for 3 trumpets and Organ)
Cantate No.31 "Der Himmel lacht, die Erde jubilieret", BWV 31: Sonata in C Major (Arr. for 3 Trumpets, Timpani and Organ by Michael S. Murray)
Judas Maccabaeus HWV 63: See, the conqu'ring hero comes!
Concerto for 3 Trumpets, 2 Oboes, Timpani, Strings and Continuo in D Major: I. Intrada
Concerto for 3 Trumpets, 2 Oboes, Timpani, Strings and Continuo in D Major: II. Grave
Concerto for 3 Trumpets, 2 Oboes, Timpani, Strings and Continuo in D Major: III. Allegro
Concerto for 3 Trumpets, 2 Oboes, Timpani, Strings and Continuo in D Major: IV. Largo
Concerto for 3 Trumpets, 2 Oboes, Timpani, Strings and Continuo in D Major: V. Vivace
Concerto for two Trumpets, Strings and Continuo in C Major, R. 537: I. Allegro
Concerto for 2 Trumpets, Strings and Continuo in C Major, R.537: II. Largo
Concerto For 2 Trumpets, Strings And Continuo in C Major, RV 537: III. Allegro
Sonata in D Mjor for 2 Trumpets, Strings and Continuo: I. Grave
Sonata in D Major for 2 Trumpets, Strings and Continuo: II. Allegro
Sonata in D Major for 2 Trumpets, Strings and Continuo: III. Adagio
Sonata in D Major for 2 Trumpets, Strings and Continuo: IV. Allegro
Concerto in B-Flat Major for Trumpet and Orchestra: I. Allegro
Concerto in B-Flat Major for Trumpet and Orchestra: II. Andante
Concerto in B-Flat Major for Trumpet and Orchestra: III. Allegro
Concerto in E-Flat Major Op. 6 Nr. 15 for 2 Trumpets, 2 Violins and Continuo: I. Allegro
Concerto in E-Flat Major Op. 6 Nr. 15 for 2 Trumpets, 2 Violins and Continuo: II. Adagio
Concerto in E-Flat Major Op. 6 Nr. 15 for 2 Trumpets, 2 Violins and Continuo: III. Allegro
Concerto in D Major for Three Trumpets: I. Largo
Concerto in D Major for Three Trumpets: II. Allegro
Concerto in D Major for three trumpets: III. Largo
Concerto in D Major for three trumpets: IV. Presto