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 0x3b8fb2433706ec581043defbd98bf4eff1c9ea453879deff7adb9dedbf841d38. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e8592aa2-a046-462f-947c-196b35a175cc.json and https://artists.proofprofile.net/proofs/artist/e8592aa2-a046-462f-947c-196b35a175cc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bortniansky: I cried out to the Lord: Hymns and Choral Concertos
Izhe Kheruvimi (Cherubic Hymn): No. 7. —
Sacred Concerto No. 15, "Priidite, vospoim lyudiye" (Come, let us praise in song, O people): I. Allegro maestoso
Sacred Concerto No. 15, "Priidite, vospoim lyudiye" (Come, let us praise in song, O people): II. Adagio
Sacred Concerto No. 15, "Priidite, vospoim lyudiye" (Come, let us praise in song, O people): III. Allegro moderato
Sacred Concerto No. 21, "Zhiviy v pomoshchi Vishniaho" (He that dwelleth in the help of the Most High): I. Largo
Sacred Concerto No. 21, "Zhiviy v pomoshchi Vishniaho" (He that dwelleth in the help of the Most High): II. Allegro maestoso
Sacred Concerto No. 21, "Zhiviy v pomoshchi Vishniaho" (He that dwelleth in the help of the Most High): III. Adagio
Sacred Concerto No. 21, "Zhiviy v pomoshchi Vishniaho" (He that dwelleth in the help of the Most High): IV. Allegro moderato
Sacred Concerto No. 1, "Vospoyte Hospodevi piesn' novu" (O sing to the Lord a new song): I. Allegro - Maestoso
Sacred Concerto No. 1, "Vospoyte Hospodevi piesn' novu" (O sing to the Lord a new song): II. Andante con moto - Largo
Sacred Concerto No. 1, "Vospoyte Hospodevi piesn' novu" (O sing to the Lord a new song): III. Allegro moderato
Sacred Concerto No. 27, "Hlasom moim ko Hospodu vozzvakh" (With my voice unto the Lord have I cried): I. Adagio
Sacred Concerto No. 27, "Hlasom moim ko Hospodu vozzvakh" (With my voice unto the Lord have I cried): II. Allegretto vivace
Sacred Concerto No. 27, "Hlasom moim ko Hospodu vozzvakh" (With my voice unto the Lord have I cried): III. Larghetto
Sacred Concerto No. 27, "Hlasom moim ko Hospodu vozzvakh" (With my voice unto the Lord have I cried): IV. Allegro moderato
Sacred Concerto No. 6, "Slava vo vishnikh Bohu" (Glory to God in the highest): I. Allegro
Sacred Concerto No. 6, "Slava vo vishnikh Bohu" (Glory to God in the highest): II. Adagio
Sacred Concerto No. 6, "Slava vo vishnikh Bohu" (Glory to God in the highest): III. Andante
Sacred Concerto No. 6, "Slava vo vishnikh Bohu" (Glory to God in the highest): IV. Allegro
Sacred Concerto No. 18, "Blaho yest' ispoviedatisia Hospodevi" (It is good to give thanks unto the Lord): I. Larghetto
Sacred Concerto No. 18, "Blaho yest' ispoviedatisia Hospodevi" (It is good to give thanks unto the Lord): II. Allegretto
Sacred Concerto No. 18, "Blaho yest' ispoviedatisia Hospodevi" (It is good to give thanks unto the Lord): III. Adagio - Moderato
Sacred Concerto No. 18, "Blaho yest' ispoviedatisia Hospodevi" (It is good to give thanks unto the Lord): IV. Allegro comodo
Sacred Concerto No. 32, "Skazhi mi, Hospodi, konchinu moyu" (O Lord, make me to know mine end): I. Andante moderato
Sacred Concerto No. 32, "Skazhi mi, Hospodi, konchinu moyu" (O Lord, make me to know mine end): II. Largo
Sacred Concerto No. 32, "Skazhi mi, Hospodi, konchinu moyu" (O Lord, make me to know mine end): III. Adagio
Sacred Concerto No. 32, "Skazhi mi, Hospodi, konchinu moyu" (O Lord, make me to know mine end): IV. Moderato
Sacred Concerto No. 9, "Sey den', yeho zhe sotvori Hospod'" (This is the day which the Lord hath made): I. Allegro moderato
Sacred Concerto No. 9, "Sey den', yeho zhe sotvori Hospod'" (This is the day which the Lord hath made): II. Largo
Sacred Concerto No. 9, "Sey den', yeho zhe sotvori Hospod'" (This is the day which the Lord hath made): III. Andante
Kol' slaven nash (How great is our Lord in Zion)
Kol' slaven nash (How great Is our Lord in Zion)