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 0x47c9712df05d1d33fbd7b379b9abec3fe59177581a35340f68f3ae3dc1017a42. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/70022baf-28eb-465a-aa7c-597b566bf129.json and https://artists.proofprofile.net/proofs/artist/70022baf-28eb-465a-aa7c-597b566bf129.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Leshnoff, J.: Violin Concerto / Distant Reflections / String Quartet No. 1
String Quartet No. 1, "Pearl German": I. Winter
String Quartet No. 1, "Pearl German": II. Spring
String Quartet No. 1, "Pearl German": III. Summer
String Quartet No. 1, "Pearl German": IV. Autumn
Symphony No. 1, "Forgotten Chants and Refrains": I. Introduction
Symphony No. 1, "Forgotten Chants and Refrains": II. Fast
Symphony No. 1, "Forgotten Chants and Refrains": III. Slow - Faster - Still
Symphony No. 1, "Forgotten Chants and Refrains": IV. Allegro
Symphony No. 1, "Forgotten Chants and Refrains": V. Resolution
String Quartet No. 2, "Edelman": I. Adagio
String Quartet No. 2, "Edelman": II. Flowing
String Quartet No. 2, "Edelman": III. Fast
Jonathan Leshnoff: Zohar & Symphony No. 2 "Innerspace"
Symphony No. 2 "Innerspace": I. Broad. Maestoso
Symphony No. 2 "Innerspace": II. Netzach. Fast & Intense
Symphony No. 2 "Innerspace": V. Unimaginable
Symphony No. 2 "Innerspace": II. Netzach: Fast and Intense
Concerto for Orchestra and Two Percussionists, I. Movement 1 - Fast - Houston premiere
Concerto for Orchestra and Two Percussionists, II. Movement 2 - Slow - Houston premiere
Concerto for Orchestra and Two Percussionists, III. Movement 3 - Houston premiere
Jonathan Leshnoff: Symphony No. 4 "Heichalos" (Performed on the Violins of Hope)
Symphony No. 4 "Heichalos" (Performed on the Violins of Hope): I. Fast [Live]
Symphony No. 4 "Heichalos" (Performed on the Violins of Hope): II. Slow [Live]
Guitar Concerto: I. Maestoso. Allegro (Live)
Guitar Concerto: III. Finale. Lively (Live)
Jonathan Leshnoff: String Quartet No. 3 "Miller-Kahn"; String Quartet No. 4; Four Dances
Four Dances for String Quartet: I. Waltz
Four Dances for String Quartet: II. Pavane
Four Dances for String Quartet: III. Chas Tanz
Four Dances for String Quartet: IV. Furlana
String Quartet No. 3, The “Miller-Kahn” Quartet: I. Grave
String Quartet No. 3, The “Miller-Kahn” Quartet: II. Romance
String Quartet No. 3, The “Miller-Kahn” Quartet: III. Allegro with Spirit
String Quartet No. 4: I. Largo, molto rubato
String Quartet No. 4: III. Slow and pure
Jonathan Leshnoff: Symphony No. 3 & Piano Concerto (Live)
Piano Concerto: II. Neshama. Slow (Live)
Symphony No. 3: II. Gevurah. With Burning Intensity (Live)
Leshnoff: Violin Concerto No. 2: II. Very Slow "Chokhmah Yud"
Violin Concerto No. 2: II. Very Slow "Chokhmah Yud"
Leshnoff: Elegy, Violin Concerto No. 2 & Of Thee I Sing
Violin Concerto No. 2: II. Very Slow "Chokhmah י"
The Essential Nashville Symphony Orchestra
Double Concerto for Clarinet & Bassoon: I. — (Live)
Tchaikovsky: Symphony No. 4 - Jonathan Leshnoff: Double Concerto for Clarinet & Bassoon (Live)
Double Concerto for Clarinet & Bassoon: II. — (Live)
Double Concerto for Clarinet & Bassoon: III. — (Live)