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 0x54860b7cefd028a685b9e97b1cab8fb9af46cea95525724bb80bccb59c09766c. Chain 2 (Bitcoin): anchored in block 953691 (2026-06-14T20:39:17Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6ad1baee-d46b-4551-836e-57a2c1c4e7a2.json and https://artists.proofprofile.net/proofs/artist/6ad1baee-d46b-4551-836e-57a2c1c4e7a2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Arutiunian: Violin Concerto, Sinfonietta & Concertino for Piano
Violin Concerto: II. Allegretto. Scherzando
Arutiunian: Violin Concerto / Concertino for Piano / Sinfonietta
Violin Concerto: II. Allegretto (Scherzando)
Sonata-Poem. (Arr. for Violin and Piano)
Armenian rhapsody. (Arr. for two Pianos)
3 Musical Pictures: No. 1. The Wind Blew in the Mountains
3 Musical Pictures: No. 2. Ararat Valley Evening
3 Musical Pictures: No. 3. Sassoun Dance
Album for Children: III. Cheerful Promenade
3 Musical Pictures: No. 1, The Wind Blew in the Mountains
3 Musical Pictures: No. 2, Ararat Valley Evening
3 Musical Pictures: No. 3, Sassoun Dance
Arutiunian: Theme and Variations: Variation II. - Allegro assai
Theme and Variations: Variation II. - Allegro assai
Concerto pour trompette in A-Flat Major: I. Andante
Concerto pour trompette in A-Flat Major: II. Allegro energico
Concerto pour trompette in A-Flat Major: III. Meno mosso
Concerto pour trompette in A-Flat Major: IV. Allegro
Arutiunian: Elegy For Flugelhorn & Organ
Romantyczne Utwory Na Trąbkę Skrzypce i Organy
Arutiunian: Trumpet Concerto: I. Andante
Favourite Concertos: Telemann, Vivaldi, Haydn, Mozart...
Arutiunian: Trumpet Concerto: II. Allegro energico
Arutiunian: Trumpet Concerto: III. Meno mosso
Arutiunian: Trumpet Concerto: IV. Allegro
The famous organs from Frombork Cathedral
Bassoon Concertos (20Th Century) - Villa-Lobos, H. / Hindemith, P. / Jolivet, A. / Gubaidulina, S.
Vaughan Williams, R.: Bass Tuba Concerto in F Minor / Francaix, J.: Quadruple Concerto / Waxman, F.: Athaneal (20Th Century Wind Concertos)
The Philip Smith Collection, Album 3: The Concertos (Live)