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 0x40ea94c00f454c8376f9f2e30fc356b75d25351a23092683e24697982d80d2f5. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5f8e55e3-c608-4871-867c-64ecbf7d69b9.json and https://artists.proofprofile.net/proofs/artist/5f8e55e3-c608-4871-867c-64ecbf7d69b9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 1a. Kyrie eleison
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 1b. Christe eleison
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 1c. Kyrie eleison
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 2a. Gloria in excelsis Deo
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 2b. Laudamus te
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 2c. Gratias
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 2d. Domine Deus
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 2e. Qui tollis
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 2f. Quoniam
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 2g. Cum Sancto Spiritu
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 3a. Credo in unum Deum
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 3b. Et incarnatus est
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 3c. Crucifixus
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 3d. Et resurrexit
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 4. Sanctus
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 5. Benedictus
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 5a. Agnus Dei
Missa Sancta Caeciliae (Missa cellensis), Hob. XXV:5: 5b. Dona nobis pacem
Britten: War Requiem, Sinfonia da Requiem & Ballad of Heroes
War Requiem, Op. 66: I. Requiem aeternam
War Requiem, Op. 66: VI. Libera me (Soprano, Tenor, Bass, Chorus)
Sinfonia da Requiem, Op. 20: I. Lacrymosa. Andante ben misurato
Sinfonia da Requiem, Op. 20: II. Dies irae. Allegro con fuoco
Sinfonia da Requiem, Op. 20: III. Requiem aeternam. Andante molto tranquillo
Ballad of Heroes, Op. 14: I. Funeral March. Allegro moderato
Ballad of Heroes, Op. 14: II. Scherzo. Dance of Death. Allegro con fuoco
Ballad of Heroes, Op. 14: III. Recitative and Choral. Lento quasi recitativo
Lili Boulanger: Songs (Hyperion French Song Edition)
Clairières dans le ciel: I. Elle était descendue au bas de la prairie
Clairières dans le ciel: II. Elle est gravement gaie
Clairières dans le ciel: III. Parfois, je suis triste
Clairières dans le ciel: IV. Un poète disait
Clairières dans le ciel: V. Au pied de mon lit
Clairières dans le ciel: VI. Si tout ceci n'est qu'un pauvre rêve
Clairières dans le ciel: VII. Nous nous aimerons tant
Clairières dans le ciel: VIII. Vous m'avez regardé avec toute votre âme
Clairières dans le ciel: IX. Les lilas qui avaient fleuri
Clairières dans le ciel: X. Deux ancolies
Clairières dans le ciel: XI. Par ce que j'ai souffert
Clairières dans le ciel: XII. Je garde une médaille d'elle
Clairières dans le ciel: XIII. Demain fera un an
Vaughan Williams: Serenade to Music, Flos Campi, 5 Mystical Songs, Fantasia on Christmas Carols
Missa in Honorem Beatissimae Virginis Mariae - "Grosse Orgel", Hob.XXII: 4: 1. Kyrie
Missa in Honorem Beatissimae Virginis Mariae - "Grosse Orgel", Hob.XXII: 4: 2. Gloria
Missa in Honorem Beatissimae Virginis Mariae - "Grosse Orgel", Hob.XXII: 4: 3. Credo
Missa in Honorem Beatissimae Virginis Mariae - "Grosse Orgel", Hob.XXII: 4: 5. Benedictus
Music Of The Gothic Era - Notre Dame Period: 2. "Alleluya Pascha nostrum"