Valaam Singing Culture Institute Men's Choir
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 0x8f10d06d54883e32f847ede3adab690e1a5ab9280350ce6b6685a7b4a88ab548. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/46d0b69c-4cf7-4c33-bd4f-d8e18ed45ff4.json and https://artists.proofprofile.net/proofs/artist/46d0b69c-4cf7-4c33-bd4f-d8e18ed45ff4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Orthodox Shrines of the Russian North: The Konev Monastery
Grjadite, ljudie … (Come, O ye people …) [Valaam Chant, the Nativity of the Theotokos: Canon, in tone II]
Beznevestnaja Devo (Valaam Chant: Dogmatik, in tone VIII) [O Virgin Unwedded]
Glagole Semeone (Znamenny Chant) [arr. M. Rachkova] [Simeon cried out]
Svete tikhij (O gladsome radiance) [arr. M. Brazhnikov]
Bogoroditse Devo, radujsja … (Hail, O Theotokos Virgin...) [Valaam Chant] [arr. K. Nikitin]
Nyne otpuschaeshi (Now lettest thou thy servant depart in peace) [Greek Chant]
Zadostojnik (In thee, O Theotokos) [Valaam Chant]
Edinorodnyj Syne … (the Only-begotten Son …) [arr. N. Uspensky]
Uchenik Uchitelja soglashashe tsenu … (Good Friday Matins: Antiphon) [arr. S. Trubachev] [the disciple agreed upon the price of the Master]
Ne rydaj Mene, Mati (Lament not for me, O Mother) [Znamenny Chant] [arr. T. Seidova]
Pomjani mja, Bozhe (Remember me, O Lord) [Znamenny Chant] [arr. N. Uspensky]
Russian Orthodox Service, Op. 40: No. 5, Ne otverzhi mene (Do Not Cast Me Off in the Time of Old Age)
Liturgy of the Presanctified Gifts, Op. 24: No. 8, Da ispravitsja molitva moja (Let my Prayer be Set Forth in thy Sight as Insense)
Strashnyj konets smerti (Fearful Is the end of life) [Znamenny Chant] [arr. I. Ushakov]
Vsi v zhitii ostavlshiisja (Znamenny Chant) [arr. I. Ushakov] [All who Are still alive]
Devoju rodila esi … (as a Virgin thou didst give birth …) [Znamenny Chant] [arr. A. Kruchinina]
Russian Orthodox Service, Op. 40: No. 2, Sovet Prevechnyj (Eternal Counsel)
Voskres iz Groba … (Being risen from the tomb …)
Paki nam javisja, jakozhe presvetlaja zvezda … (Again, yet again having appeared to us as a bright star … ) [a service to Theotokos] [arr. I. Ushakov] [Again, yet again having appeared to us as a bright star …]
Glorification to the Tikhvin icon of the Theotokos
Kto Tebe ne ublazhit, Presvjataja Devo … (Who Is there That doth not bless thee, O all-holy Theotokos …) [Valaam Chant]
Radujtesja, Ioakime i Anno… (Rejoice, Joachim and Anna …) [the Nativity of the Theotokos] [arr. I. Ushakov]
Sovet prevechniy (the Pre-Eternal Counsel)
O Tebe raduetsja … (In thee rejoiceth … ) [Greek Chant] [arr. St. Smolensky]
Russian Calvary, Part III: The Untimely Passover
I sacrifice the voice of the prodigal son to You, God (arr. S. Trubachev)
Get rid of existing shortcomings of fatherly estate (arr. S. Trubachev)
As in the Ancient times (arr. I. Ushakov)
Be Prior to the Divines in Great Daring (arr. I. Ushakov)
Thou has vouchsafed the good thief the Paradise
Thy coffin, Thou the Saviour [Znamenny Chant] (arr. I. Ushakov)
Oh, exceeding glorious wonder (arr. I. Ushakov)
Be glad, life-giving Cross [Valaam Monastery Chant] (arr. K. Nikitin)
He has taken the Divine Grace from Heaven
Thy Last Supper [Znamenny Chant] (arr. I. Ushakov)
Come the Lawful Canopy [Valaam Monastery Chant]
Under Thy Shelter, Sovereign [Valaam Monastery Chant]
The House of Ephrathah (arr. I. Ushakov)
May every man begin [Solovetsky Monastery Chant] (arr. S. Trubachev)
You, Christ, was the luminary, set before the sun in the coffin [Valaam Monastery Chant] (arr. S. Trubachev)
Telling Before the Morning, Earlier Than Maria [Valaam Monastery Chant] (arr. S. Trubachev)
Angel vopijash (The Angel Cried) [Valaam Monastery Chant] (arr. M. Balakirev and I. Ushakov)
From Rising of the Sun till Its Setting the Name of Lord Is to Be Praised
Grjadite, ljudie … (Come, O ye people …) [Valaam Chant, The Nativity of the Theotokos: Canon, in tone II]
Beznevestnaja Devo (O Virgin Unwedded) [Valaam Chant: Dogmatik, in tone VIII]
Glagole Semeone (Simeon cried out) [Znamenny Chant] (arr. M. Rachkova)
Svete tikhij (O gladsome radiance) (arr. M. Brazhnikov)
Bogoroditse Devo, radujsja … (Hail, O Theotokos Virgin...) [Valaam Chant] (arr. K. Nikitin)
Edinorodnyj Syne … (The Only-begotten Son …) (arr. N. Uspensky)
Uchenik Uchitelja soglashashe tsenu … (The disciple agreed upon the price of the Master) [Good Friday Matins: Antiphon] (arr. S. Trubachev)
Ne rydaj Mene, Mati (Lament not for me, O Mother) [Znamenny Chant] (arr. T. Seidova)
Pomjani mja, Bozhe (Remember me, O Lord) [Znamenny Chant] (arr. N. Uspensky)
Russian Orthodox Service, Op. 40: No. 5. Ne otverzhi mene (Do Not Cast Me Off in the Time of Old Age)
Liturgy of the Presanctified Gifts, Op. 24: No. 8. Da ispravitsja molitva moja (Let my Prayer be Set Forth in thy Sight as Insense)
Strashnyj konets smerti (Fearful is the end of life) [Znamenny Chant] (arr. I. Ushakov)
Vsi v zhitii ostavlshiisja (All who are still alive) [Znamenny Chant] (arr. I. Ushakov)
Devoju rodila esi … (As a Virgin thou didst give birth …) [Znamenny Chant] (arr. A. Kruchinina)
Russian Orthodox Service, Op. 40: No. 2. Sovet Prevechnyj (Eternal Counsel)
Paki nam javisja, jakozhe presvetlaja zvezda … (Again, yet again having appeared to us as a bright star … ) [A service to Theotokos] (arr. I. Ushakov)
Kto Tebe ne ublazhit, Presvjataja Devo … (Who is there that doth not bless thee, O all-holy Theotokos …) [Valaam Chant]
Radujtesja, Ioakime i Anno… (Rejoice, Joachim and Anna …) [The Nativity of the Theotokos] (arr. I. Ushakov)
Sovet prevechniy (The Pre-Eternal Counsel)
O Tebe raduetsja … (In thee rejoiceth … ) [Greek Chant] (arr. St. Smolensky)
I sacrifice the voice of the prodigal son to You, God (Arr. S. Trubachev)
Get rid of existing shortcomings of fatherly estate (Arr. S. Trubachev)
As in the Ancient times (Arr. I. Ushakov)
Be Prior to the Divines in Great Daring (Arr. I. Ushakov)
Thy coffin, Thou the Saviour (Znamenny Chant) [arr. I. Ushakov]
Oh, exceeding glorious wonder (Arr. I. Ushakov)
Be glad, life-giving Cross (Valaam Monastery Chant) [arr. K. Nikitin]
Thy Last Supper (Znamenny Chant) [arr. I. Ushakov]
Come the Lawful Canopy (Valaam Monastery Chant)
Under Thy Shelter, Sovereign (Valaam Monastery Chant)
The House of Ephrathah (Arr. I. Ushakov)
May every man begin (Solovetsky Monastery Chant) [arr. S. Trubachev]
You, Christ, was the luminary, set before the sun in the coffin (Valaam Monastery Chant) [arr. S. Trubachev]
Telling Before the Morning, Earlier Than Maria (Valaam Monastery Chant) [arr. S. Trubachev]
Angel vopijash (the Angel Cried) [Valaam Monastery Chant] [arr. M. Balakirev and I. Ushakov]
Priidite, poklonimsja (O come, let us worship) [Valaam Monastery Chant] [arr. K. Nikitin]
Voskresenie Khristovo videvshe (Having beheld the Resurrection of Christ)
You, Christ, Was the Liminary, Set Before the Sun un the Coffin (Valaam Monastery Chant) [arr. I. Ushakov]
To Thy Mouth (Valaam Monastery Chant) [arr. M. Balakirev and I. Ushakov]
You Have Received the Holy Blessing from Heaven
Having Fallen Asleep with Flesh (Arr. I. Ushakov)
The Hast Resurrected out of the Coffin (Valaam Monastery Chant)
Ektene of Peace (Valaam Monastery Chant) [arr. S. Trubachev]
Edinorodnyj Syne (the Only-Begotten Son) [Valaam Monastery Chant]
Lord, save the faithful (Valaam Monastery Chant) [arr. K. Nikitin]
Kheruvimskaja pesn (the Cherubimic hymn) [Valaam Monastery Chant] [arr. I. Ushakov]
Angel vopijash (the Angel Cried) [Valaam Monastery Chant]: The Angel Cried [Valaam Monastery Chant] [arr. M. Balakirev and I. Ushakov]
Today Will Be the Salvation of the World (Valaam Monastery Chant)
Proobrazuja Voskresenie Tvoe, Khriste Bozhe (Foreshadowing Your Resurrection, O Christ God) [Znamenny Chant] [arr. S. Trubachev]