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 0x8872fa7e0955f2ad7b655dfda67f3345fad69ad13ff247b61858b6c117311759. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5d0cc78e-bc75-403b-8ce6-15833786743f.json and https://artists.proofprofile.net/proofs/artist/5d0cc78e-bc75-403b-8ce6-15833786743f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Crumb: Haunted Landscape/Schuman: Three Colloquies
Three Colloquies for Horn and Orchestra: Rumination
Three Colloquies for Horn and Orchestra: Renewal
Three Colloquies for Horn and Orchestra: Remembrance
Philip Myers Principal Horn New York Philharmonic
Trois Hommages: I. Intermezzo (Hommage à Frederick Delius)
Trois Hommages: II. Pavane (Hommage à Maurice Ravel)
Trois Hommages: III: Chanson (Hommage à Darius Milhaud)
Three Songs for Marlboro for Horn and Cello: I. Adagio
Three Songs for Marlboro for Horn and Cello: II. Minuet and Trio
Three Songs for Marlboro for Horn and Cello: III. Theme and Variations
Sonata for Four Horns: III. Rondo: Allegro
Duets for Unaccompanied Horns: I. Molto lento
Duets for Unaccompanied Horns: II. Vivace
Duets for Unaccompanied Horns: III. Andante moderato
Duets for Unaccompanied Horns: IV. Allegro volante
Sonata in B-Flat for Horn and Piano: I. Allegro cantabile
Sonata in B-Flat for Horn and Piano: II. Tempo di valse scherzando
Sonata in B-Flat for Horn and Piano: III. Lento-Vivace
Philip Myers plays Schuller, Amram, Chávez, Bernstein and Sanders
Trois Hommages: iii. Theme and Variations
Three Songs for Marlboro for Horn and Cello: i. Adagio
Three Songs for Marlboro for Horn and Cello: ii. Minuet and Trio
Three Songs for Marlboro for Horn and Cello: iii. Theme and Variations
Sonata for Four Horns: iii. Rondo, Allegro
Duets for Unaccompanied Horns: i. Molto lento
Duets for Unaccompanied Horns: ii. Vivace
Duets for Unaccompanied Horns: iii. Andante moderato
Duets for Unaccompanied Horns: iv. Allegro volante
Sonata in B-Flat for Horn and Piano: i. Allegro cantabile
Sonata in B-Flat for Horn and Piano: ii. Tempo di valse scherzando
Sonata in B-Flat for Horn and Piano: iii. Lento-Vivace
Trio for Horn, Violin and Piano in E-Flat Major, Op. 40
Sonata for Violin and Piano (No. 3) in D Minor, Op. 108
Summer Music, Op. 31: I. Slow and Indolent
Summer Music, Op. 31: III. Lively, Still Faster
Summer Music, Op. 31: IV. With Motion, as Before
Summer Music, Op. 31: V. Joyous and Flowing
That's a Plenty (Arr. for Brass Quintet) [Live]
Summer Music, Op. 31: I. Slow and indolent
Summer Music, Op. 31: Lively, still faster
Horn Concerto No. 1 in E-flat major, Op. 11: I. - II. Allegro [attacca] — Andante [attacca]
Principal Soloists Play Bach, Bartók, Mozart & Strauss
Horn Concerto No. 1 in E-flat major, Op. 11: III. Allegro — Rondo: Allegro