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 0xc7c71f09cbe37d7afbf69955f445c9b17c6671c305a4296091fe8c0a0e87d7d3. Chain 2 (Bitcoin): anchored in block 954659 (2026-06-21T06:14:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dbdb9364-e849-477f-b5c6-bafdb1937f3a.json and https://artists.proofprofile.net/proofs/artist/dbdb9364-e849-477f-b5c6-bafdb1937f3a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Quintet for Clarinet, Two Violas and Two Cellos: I.
Quintet for Clarinet, Two Violas and Two Cellos: II.
Quintet for Clarinet, Two Violas and Two Cellos: III.
Quintet for Clarinet, Two Violas and Two Cellos: IV.
Preludes and Fugues for Piano: Prelude in C major
Preludes and Fugues for Piano: Fugue in C major
Preludes and Fugues for Piano: Prelude in E minor
Preludes and Fugues for Piano: Fugue in E minor
Preludes and Fugues for Piano: Prelude in C sharp minor
Preludes and Fugues for Piano: Fugue in C sharp minor
Diamond: The World of Paul Klee (Recorded 1960)
The World of Paul Klee: Frame: The Dance of the Grieving Child - Live
The World of Paul Klee: Frame: The Black Prince - Live
The World of Paul Klee: Frame: Pastorale - Live
The World of Paul Klee: Frame; The Twittering Machine - Live
Flute Quintet in B Minor: I. Allegro deciso e molto ritmico
Flute Quintet in B Minor: II. Romanza. Lento, molto cantabile
Flute Quintet in B Minor: III. Finale. Allegro veloce
Partita for Oboe, Bassoon and Piano: I. Allegro vivo
Partita for Oboe, Bassoon and Piano: II. Adagio espressivo
Partita for Oboe, Bassoon and Piano: III. Allegro molto
Woodwind Quintet: II. Theme and Variations with Scherzino Interlude. Adagio
Flute Quintet in B Minor: II. Romanza: Lento, molto cantabile
Flute Quintet in B Minor: III. Finale: Allegro veloce
Woodwind Quintet: II. Theme and Variations with Scherzino Interlude: Adagio
Concerto for String Quartet: Scherzo Finale
String Quartet No. 3: Moderato, con semplicita
String Quartet No. 8: Adagio, Andante, Allegro con spirito
String Quartet No. 8: Presto con bravura, Fuga
David Diamond: Complete String Quartets, Vol. 2
String Quartet No. 2: I. Allegro flessibile
String Quartet No. 2: III. Allegro mesto
String Quartet No. 10: III. Adagio-Doppia fuga
Diamond: Symphony No. 3 / Psalm / Kaddish
Diamond: Symphony No. 1 / Violin Concerto No. 2 / Enormous Room
Symphony No. 1: Allegro moderato con energia
Symphony No. 1: Maestoso - Adagio - Allegro vivo
Violin Concerto No. 2: Adagio affettuoso
Diamond: Symphony No. 1, Violin Concerto No. 2 & The Enormous Room
Symphony No. 1: I. Allegro moderato con energia
Symphony No. 1: III. Maestoso - Adagio - Allegro vivo
Violin Concerto No. 2: I. Allegro aperto
Violin Concerto No. 2: II. Adagio affettuoso
Violin Concerto No. 2: III. Allegro vivo
Diamond: Tom Suite / Symphony No. 8 / This Sacred Ground
Suite No. 1 from the Ballet Tom: Fanfare
Suite No. 1 from the Ballet Tom: Prelude to Episode I
Suite No. 1 from the Ballet Tom: Introduction and Dance of the Benevolent Master & Mistress
Suite No. 1 from the Ballet Tom: Eliza's Supplication
Suite No. 1 from the Ballet Tom: The Mortgage
Suite No. 1 from the Ballet Tom: Dance of the Slavetraders and Human Bloodhounds
Suite No. 1 from the Ballet Tom: Dance of Thankfulness for Freedom
Suite No. 1 from the Ballet Tom: Dance of New England and New Orleans
Suite No. 1 from the Ballet Tom: Entrance of Eva
Suite No. 1 from the Ballet Tom: Tom's Dance of Revelation Through the Eternal Word
Suite No. 1 from the Ballet Tom: Music Accompanying Eva's Departure and Ascent into Heaven Accompanied by Angels
Suite No. 1 from the Ballet Tom: Choral Spiritual - Conclusion
Symphony No. 8: Moderato - Adagio - Allegro vivo
Symphony No. 8: Theme (Adagio), Variations and Double Fugue
Symphony No. 2: III. Andante espressivo, quasi adagio
A Diamond Jubilee - Songs By David Diamond
Even Though The World Keeps Changing - vocal
Anniverary In A Country Cemetery - vocal
My Spirit Will Not Haunt The Mound - vocal
The Shepherd Boy Sings In The Valley Of Humiliation - vocal
David Diamond: Symphony No. 6, Rounds & Music for Romeo and Juliet
Rounds for String Orchestra: I. Allegro, molto vivace
Rounds for String Orchestra: III. Allegro vigoroso
Music for Romeo & Juliet: II. Balcony Scene
Music for Romeo & Juliet: III. Romeo and Friar Laurence
Music for Romeo & Juliet: IV. Juliet and Her Nurse
Music for Romeo & Juliet: V. The Death of Romeo and Juliet
Variations on a Bach Chorale: I. Fanfare / Chorale
Variations on a Bach Chorale: II. Cantus Firmus
Variations on a Bach Chorale: III. Recitative
Variations on a Bach Chorale: IV. Fugue and Final Chorale
Milken Archive Digital Vol. 7, Digital Album 1
Three Madrigals: I. He who hath glory lost
Suite No. 1 from the Ballet Tom: III. Introduction and Dance of the Benevolent Master and Mistress