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 0x2eaafd110356ad4e83d724fb531d804fb3c427eb6e2963bf44881880a68936f5. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/72d589fd-50c7-4aec-a733-791387eb0798.json and https://artists.proofprofile.net/proofs/artist/72d589fd-50c7-4aec-a733-791387eb0798.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Madrigals, Book 7: Tirsi e Clori, SV 145
Scherzi musicali: De la bellezza le dovute lodi, SV 245
Madrigals, Book 6: Zefiro torna e'l bel tempo rimena, SV 108
Madrigals, Book 8: Lamento della ninfa, SV 163
Madrigals, Book 8: Su, su, su, pastorelli vezzosi, SV 166
Madrigals, Book 2: Ecco mormorar l'onde, SV 51
Madrigals, Book 7: Amor, che deggio far?, SV 144
Missa Simile est Regnum Caelorum: Gloria
Missa Simile est Regnum Caelorum: Sanctus
Missa Simile est Regnum Caelorum: Agnus Dei
Missa Petre ego pro te rogavi: Agnus Dei
Meditation Music: Meditative Music Across Ten Centuries
Cele m'a tolu la vie - Lonc tens - Et sperabit / Ave deitatis - Cele m'a tolu - Lonc tens - Et sperabit (13th c.)
Magnificat: VIII. Deposuit potentes (16th c.)
Troisième leçon: Jod. Manum suam (17th c.)
Violin Sonata No. 1 in D Major, Op. 2: I. Adagio (18th c.)
Stabat Mater, RV 621: Eja Mater (18th c.)
Violin Sonata No. 10 in F Minor, Op. 2, RV 21: I. Preludio. Andante (18th c.)
Sonata for Recorder and Continuo in C Major, TWV 41:C5: II. Larghetto (18th c.)
Violin Sonata No. 7 in A Major, Op. 1: IV. Largo (18th c.)
Deux rondeaux en Do Majeur et Do Mineur (18th c.)
Violin Sonata No. 4 in E Minor, Op. 1, K. 304: II. Tempo di menuetto (18th c.)
Sonata No. 15 in D Minor (Andante allegretto) [18-19th c.]
Allegretto melancolico No. 2, Op. 105 (19th c.)
Dictionary of Medieval & Renaissance Instruments
Improvisation on a Llibre Vermell tune (Medieval Organetto)
In seculum viellatoris (Medieval Fiddles)
Je ne fais tousjours (15th Century Positive Organ)
Dame, ne regardes pas (Medieval Fiddles)
Deposuit potentes (Voice & 16th Century Positive Organ)
Puisque bele dame / Flos filius eius (Medieval Fiddle & Voice)
Un verso de Morales glosado (Iberian Cathedral Organ)
Joie, plaisance (Medieval Fiddle & Ensemble)
Mit ganczem willem (15th Century Clavichord)
Le forze d'Hercole (Italian Harpsichord)
Le forze d'Hercole (Viola da gamba & Ensemble)
Gagliarda (16th Century Violin & Violas)
Improvisation (Medieval Wire-Strung Harp)
Fuwëles in the Frith (Medieval Harp & Lute)
Chançonnete / A la cheminée / Veritatem (Medieval Harp, Dulcimer & Lute with Voices)
Mesdisans m'ont cuide (15th Century Harp & Lute)
O dolce vita mia (Renaissance Lute & Voice)
La Zanetta padovana (Renaissance Lutes & Archlute in Ensemble)
Paduana del re (Renaisance Lute, Archlute & Guitar)
Romanesca o Guardame las Vacas (Vihuela)
Gagliarda prima (Sopranino Lute, Guitar, Archlute & Viol)
In seculum d'Amiens (Ensemble of Medieval Recorders)
Honte, paour, doubtance (Pair of Medieval Recorders)
Triste plaisir (Renaissance Recorder & Viols)
De tous biens plaine (Renaissance Recorders & Viol)
Schiarazula Marazula (Renaissance Recorders & Ensemble)
Gagliarda el tu tu (Renaissance Recorders & Ensemble)
Gagliarda la traditora (A Renaissance Courtly Dance Orchestra)
Correnta sesta (Quartet of Renaissance Recorders)
Gentil dame (Renaissance Harp & Traverso)
Ungarescha (Renaissance Traverso & Ensemble)
Ile estoit une fillette (Ensemble of Renaissance Traversos)
Correnta settima (A Renaissance Courtly Dance Orchestra)
Canciones y Villanescas Espirituales. Venecia 1589 Volumen 3 - Francisco Guerrero (1528-1599)
Cantata 42, Weicht ihr sünden, bleibt dahinten!, TWV 1:1538: 1
Cantata 42, Weicht ihr sünden, bleibt dahinten!, TWV 1:1538: 2
Cantata 42, Weicht ihr sünden, bleibt dahinten!, TWV 1:1538: 3
Cantata 58, Beglückte Zeit, die uns des Wortes Licht TWV 1:118: 1
Cantata 58, Beglückte Zeit, die uns des Wortes Licht TWV 1:118: 2
Cantata 58Cantata 58, Beglückte Zeit, die uns des Wortes Licht TWV 1:118: 3
Cantata 58, Beglückte Zeit, die uns des Wortes Licht TWV 1:118: 4
Cantata 18, Wer ist, der dort von Edom kömmt TMV 1:1584: 1
Cantata 18, Wer ist, der dort von Edom kömmt TMV 1:1584: 2
Cantata 18, Wer ist, der dort von Edom kömmt TMV 1:1584: 3
Cantata 18, Wer ist, der dort von Edom kömmt TMV 1:1584: 4
Cantata 33, Ergeuß dich zur Salbung der schmachtenden seele TWV 1:447: 1
Cantata 33, Ergeuß dich zur Salbung der schmachtenden seele TWV 1:447: 2
Cantata 33, Ergeuß dich zur Salbung der schmachtenden seele TWV 1:447: 3
Cantata 40, Die stärkende Wirkung des Geistes TWV 1:363: 1
Cantata 40, Die stärkende Wirkung des Geistes TWV 1:363: 2
Cantata 40, Die stärkende Wirkung des Geistes TWV 1:363: 3
Cantata 25, Hirt' und Bischof uns'rer Seelen TWV 1:805: 1
Cantata 25, Hirt' und Bischof uns'rer Seelen TWV 1:805: 2
Cantata 25, Hirt' und Bischof uns'rer Seelen TWV 1:805: 3
Cantata 9, Liebe, die vom Himmel stammet TWV 1:1044: 1
Cantata 9, Liebe, die vom Himmel stammet TWV 1:1044: 2
Cantata 9, Liebe, die vom Himmel stammet TWV 1:1044: 3
Missa Gaudeamus: Canto Ilano / Plainchant: Gaudeamus Omnes (De Victoria)
Pedro Ruimonte: Parnaso Espanol - De Madrigales, Y Villancicos
Missa pro defunctis à 6 "Requiem": I. Lectio. Taedet animam meam
Missa pro defunctis à 6 "Requiem": II. Introitus
Missa pro defunctis à 6 "Requiem": III. Kyrie
Missa pro defunctis à 6 "Requiem": IV. Graduale
Missa pro defunctis à 6 "Requiem": V. Offertorium
Missa pro defunctis à 6 "Requiem": VI. Sanctus - Benedictus
Missa pro defunctis à 6 "Requiem": VII. Agnus Dei
Missa pro defunctis à 6 "Requiem": VIII. Communio
Missa pro defunctis à 6 "Requiem": IX. Motectum. Versa est in luctum
Missa pro defunctis à 6 "Requiem": X. Responsorium. Libera me
Missa "O magnum mysterium": Missa O magnum mysterium: O quam gloriosum
Obras de Musica: Diferencias sobre el canto de la dama le demanda
Gaudete (arr. R. Mallavibarrena for vocal ensemble)
Maitines de Natividad: De carámbanos el día viste (Live)
Cantiga No. 156, "A Madre do que de terra"
Propinan de Melyor (Villancico aus "Cancionero de la Colombina", Ende 15. Jh.)
Cantigas No. 181, "Pero que seja a gente, Virgen Madre"
La rosa enflorece (arr. R. Mallavibarrena for voice and chamber ensemble)
Vacas (arr. R. Mallavibarrena for chamber ensemble)
Durme (Durme, durme hermoza doncella) [arr. R. Mallavibarrena for voice and chamber ensemble]
Poco le das la mi consuegra (arr. R. Mallavibarrena for voice and chamber ensemble)
Chacona: A la vida bona, "Una sarao de la chacona" (arr. R. Mallavibarrena for vocal ensemble and chamber ensemble)
Introitus: II. Te decet hymnus Deus in Sion
Offertorium: I. Domine Jesu Christe, Rex gloriae
Inclina, Domine, aurem tuam (Arr. for Organ)
Inclina, Domine, aurem tuam: I. Inclina, Domine
Inclina, Domine, aurem tuam: II. Deduc me, Domine
Inclina, Domine, aurem tuam: III. Domine, Deus
Lamentabatur Jacob: I. Lamentabatur Jacob
Lamentabatur Jacob: II. Prosternens se Jacob
Miserere nostri, Deus: I. Miserere nostri, Deus
Tota pulchra es Maria: I. Tota pulchra es Maria
Tota pulchra es Maria: II. Vulnerasti cor meum
Dulcissima Maria: II. Audi nos, Sanctissima
Ave maris stella: II. Sumens ilud ave prima pars
Ave maris stella: III. Sumens ilud ave seconda pars
Ave maris stella: V. Monstra te esse matrem
Ave maris stella: VII. Vitam praesta puram
Ave maris stella: VIII. Sit laus Deo Patri. Amen
Vexilla regis: IV. Arbor decora et fulgida
Vexilla regis: VII. Te summa, Deus. Amen
Clamabat autem mulier: I. Clamabat autem mulier chananea
Clamabat autem mulier: II. At illa venit
Magnificat: XIII. Sicut erat in principio
Victoria: Lamentations of Jeremiah – Ruimonte: De profundis
Feria V In Coena Domini: Lectio prima. Incipit Lamentatio
Feria V In Coena Domini: Lectio secunda. Vau. Et egressus
Feria V In Coena Domini: Lectio tertia. Jod. Manum suam
Feria VI In Passione Domini: Lectio prima. Heth. Cogitavit Dominus
Feria VI In Passione Domini: Lectio secunda. Lamed. Matribus
Feria VI In Passione Domini: Lectio tertia. Aleph. Ego vir
Sabbato Sancto: Lectio prima. Heth. Misericordiae
Sabbato Sancto: Lectio secunda. Aleph. Quomodo
Sabbato Sancto: Lectio tertia. Incipit Oratio
Missa "O magnum mysterium": O quam gloriosum