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 0x9b3fa67bd76f78ee0c42976c4e77cb27b3c5176972e0e785ebf01eb6267fa150. Chain 2 (Bitcoin): anchored in block 953592 (2026-06-14T05:36:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/049fa027-338e-4709-8fe1-20429006907b.json and https://artists.proofprofile.net/proofs/artist/049fa027-338e-4709-8fe1-20429006907b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hymn for the Dormition of the Mother of God
Early English Polyphony: From the Eton Choirbook to Thomas Tallis
Hacomplaynt: Salve Regina: I. Salve Regina mater misericordiae
Hacomplaynt: Salve Regina: II. Et Jesum, benedictum fructum ventris tui
Hacomplaynt: Salve Regina: III. O clemens, o pia, o dulcis
Fayrfax: Magnificat "Regale": I. Anima mea dominum
Fayrfax: Magnificat "Regale": II. Et misericordia eius a progenie in progenies
Fayrfax: Magnificat "Regale": III. Deposuit potentes desede
Fayrfax: Magnificat "Regale": IV. Suscepit Israel puerum suum
Fayrfax: Magnificat "Regale": V. Gloria Patri et Filio, et spiritui Sancto
Tallis: Lamentations of Jeremiah, First Lesson: Incipit. "Incipit lamentatio Jeremiae prophetae"
Tallis: Lamentations of Jeremiah, First Lesson: Aleph. "Quomodo sedet sola civitas"
Tallis: Lamentations of Jeremiah, First Lesson: Beth. "Plorans ploravit in nocte"
Tallis: Lamentations of Jeremiah, Second Lesson: Incipit. "De lamentatione Jeremiae prophetae"
Tallis: Lamentations of Jeremiah, Second Lesson: Ghimel. "Migravit Juda propter afflictionem"
Tallis: Lamentations of Jeremiah, Second Lesson: Daleth. "Omens persecutores eius apprehenderunt"
Tallis: Lamentations of Jeremiah, Second Lesson: Heth. "Facti sunt hostes"
Tallis: Mass "Puer natus est nobis" a 7: Gloria
Tallis: Mass "Puer natus est nobis" a 7: Sanctus
Tallis: Mass "Puer natus est nobis" a 7: Benedictus
Tallis: Mass "Puer natus est nobis" a 7: Agnus Dei
Tallis: Cantiones quae ab argumento sacrae vocantur: No. 8, O nata lux
Tallis: Cantiones quae ab argumento sacrae vocantur: No. 1, Salvator mundi I
Libro primo dei Madrigali: Oh se poteste mai, luci adorate
Canzoni a cinque: Ardo per voi, mia vita
Sacred & Secular Music from Six Centuries (1000-1600)
Ne irascaris, Domine a 5 (Cantiones Sacrae, 1589)
Choirs of Cambridge: Jesus College Choir - Latin Anthems
Quatre Motets sur des thèmes grégoriens, Op.10: Tota pulchra es
Almighty God, the Fountain of all Wisdom
The Gate of Glory: Music from The Eton Choirbook Vol. 5 – Kellyk • Browne • Fayrfax • Lambe • Hacomplaynt
Missa Tecum principium: Sanctus & Benedictus
Missa O bone Ihesu: Sanctus.....(Anima Christi.....) Resurrexio Christi....Benedictus
Missa O quam glorifica: Sanctus & Benedictus
Missa Regali ex progenie: Sanctus & Benedictus
Fayrfax: Missa Regali ex progenie; Lauda vivi Alpha et O; Magnificat Regali
Fayrfax: Missa O bone Ihesu; Salve Regina; Magnificat O bone Ihesu
Missa O bone Ihesu: Sanctus & Benedictus
Fayrfax: Miss Albanus; O Maria Deo grata; Eterne laudis lilium etc
Fayrfax: Missa Tecum principium; Maria plena virtute etc
Fayrfax: Missa O quam glorifica; Ave Dei patris filia
Robert Fayrfax (1464-1521): Music for Tudor Kings and Queens
Missa Sponsus amat sponsum: Credo - Reconstructed by Roger Bray and Magnus Williamson
Ave lumen gratiae - Reconstructed by Magnus Williamson
Choir of the Chapel Royal of St. Peter ad Vincula
4 Dances: Ballo anglese - Ballo francese - Tedescha - Ungarescha
O Lord, Make Thy Servant Elizabeth The Queen
La Cancion del Emperador (Mille regretz)
The Rose and The Ostrich Feather: Eton Choirbook Volume I
Medieval Christmas (Early Classical Music for the Holidays)
Verbum caro factum est - Quem aethera et terra
Benedictine Nuns Choir of l'Abbaye de Notre-Dame d'Argentan
Hodie nobis de caelo: Responsorium (Responsorium)
Veni redemptor gentium. Notum fecit Dominus: Hymnus. Versiculus
Hodie cantandus est. Puer natus est nobis
Fair with Her Firstborn: Carols, Chant, and Polyphony for Christmas
The Truth from Above (Arr. R.V. Williams)
Fayrfax: Maria plena virtute - 01. Maria plena virtute
Fayrfax: Maria plena virtute - 02. Clementissima Maria
Fayrfax: Maria plena virtute - 03. Sicut tuus filius
Fayrfax: Maria plena virtute - 04. Mater dolorosa
Fayrfax: Maria plena virtute - 05. Dixit Iesus dilectionis
Fayrfax: Maria plena virtute - 06. Rex amabilis
Fayrfax: Maria plena virtute - 07. Iesu, dicens clamasti
Fayrfax: Maria plena virtute - 08. O Iesu Fili Dei
Fayrfax: Maria plena virtute - 09. Tunc spiritum emisit
Fayrfax: Maria plena virtute - 10. O dolorosa mater Christi
Fayrfax: Ave Dei Patris - 1. Ave Dei Patris
Fayrfax: Ave Dei Patris - 2. Ave summe eternitatis
Fayrfax: Ave Dei Patris - 3. Ave eterne caritatis
Fayrfax: Ave Dei Patris - 4. Ave Iesu tui filii
Fayrfax: Ave Dei Patris - 5. Ave Domini filia
Fayrfax: Ave Dei Patris - 6. Ave plena gratia
Fayrfax: Ave Dei Patris - 7. Ave virgo feta
Fayrfax: Ave Dei Patris - 8. Esto nobis via recta
Fayrfax: O Maria, Deo grata - 1. O Maria, Deo grata
Fayrfax: O Maria, Deo grata - 2. Christo possim militare
Fayrfax: O Maria, Deo grata - 3. Te Maria mihi duce
Fayrfax: O Maria, Deo grata - 4. O Maria, mater bona
Fayrfax: O Maria, Deo grata - 5. O Maria, preces meas
Fayrfax: O Maria, Deo grata - 6. O Maria, mater Dei
Fayrfax: O Maria, Deo grata - 7. O Maria, spes Anglorum
Fayrfax: O Maria, Deo grata - 8. O Maria, pro me Deum
Fayrfax: O Maria, Deo grata - 9. O sancta Maria
Fayrfax: Eterne laudis lilium - 1. Eterne laudis lilium
Fayrfax: Eterne laudis lilium - 2. Ave radix, flos virginum
Fayrfax: Eterne laudis lilium - 3. Honestis celi precibus
Fayrfax: Eterne laudis lilium - 4. Issachar quoque
Fayrfax: Eterne laudis lilium - 5. Atque Maria Cleophe
Fayrfax: Eterne laudis lilium - 6. Natus est Dei
Fayrfax: Eterne laudis lilium - 7. Linee ex hoc genere
Fayrfax: Eterne laudis lilium - 8. Cuius cruoris
Taverner & Tudor Music Ii: Gloria Tibi Trinitas
Missa Gloria tibi Trinitas: Missa Gloria tibi Trinitas: Gloria
Missa Gloria tibi Trinitas: Missa Gloria tibi Trinitas: Credo
Gloria tibi Trinitas : Gloria tibi Trinitas
Missa Gloria tibi Trinitas: Missa Gloria tibi Trinitas: Agnus Dei
Te lucis ante terminum … Procul recedant somnia
Fayrfax: Missa Albanus & Aeternae laudis lilium
Missa Albanus: III. Sanctus & Benedictus
Henry's Music: Motets from a Royal Choirbook
The Flower Of All Virginity: Eton Choirbook Volume IV
Rondeau No. 14. Ma fin est mon commencement: Rondeau No. 14, Ma fin est mon commencement
Fourteen 'Goldberg' Canons BWV 1087: 14 Verschiedene Canones, BWV 1087: Canon simplex uber besagtes Fundament a 3 - Idem a 3 - Canon simplex a 3, il soggetto in Alto - Canon in unisono post s
Musical Offering, BWV 1079: Canon 4. A 2 per Augmentationem, contrario Motu
Great Music from the Court of Henry VIII
Virgin and Child: Music from the Baldwin Partbooks II
Gesti antichi e moderni per flauti dolci
From 125 Contrappunti Sopra La Spagna [21] Contrappunti - 45-85-91-44-90-60
From 125 Contrappunti Sopra La Spagna [21] Contrappunti - 46-50-99-40-33
From 125 Contrappunti Sopra La Spagna [21] Contrappunti - 48-51-79-49-84-53
From 125 Contrappunti Sopra La Spagna [21] Contrappunti - 81-76-55-100
F.125v-126 (1597) - III Voc. Upon the Plainsong
Choral Concert: Magadala - Clemens Non Papa, J. / Richafort, J. / Lheritier, J. / Layolle, F. De (Magnificat - Beautiful and Calming Choral Music)
Choral Concert: Oxford Girls' Choir - Fayrfax, R. / Redford, J. / Henry V / Lambe, W. / Taverner, J. / Preston, T. (Heavenly Voices)
Pavan & Saltarello de la morte de Ragione
Gaude, Flore Virginali a6 (secunda pars)