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 0x0d958bc0367397fbc4996f2d7a7ad2683e1dcdc375b96eb4d6f6503661d042ad. 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/2afd8d25-ff99-4e32-b73e-c9d19f9ae8fd.json and https://artists.proofprofile.net/proofs/artist/2afd8d25-ff99-4e32-b73e-c9d19f9ae8fd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Requiem in D Minor, K. 626: I. Introitus. Requiem aeternam
Academy of St Martin in the Fields Chorus
Requiem in D Minor, K. 626: IIIa. Sequentia. Dies irae
Requiem in D Minor, K. 626: IIIb. Sequentia. Tuba mirum
Requiem in D Minor, K. 626: IIIc. Sequentia. Rex tremendae
Requiem in D Minor, K. 626: IIId. Sequentia. Recordare
Requiem in D Minor, K. 626: IIIe. Sequentia. Confutatis
Requiem in D Minor, K. 626: IIIf. Sequentia. Lacrimosa
Requiem in D Minor, K. 626: IVa. Offertorium. Domine Jesu
Requiem in D Minor, K. 626: IVb. Offertorium. Hostias
Requiem in D Minor, K. 626: VI. Benedictus
Requiem in D Minor, K. 626: VII. Agnus Dei
Requiem in D Minor, K. 626: VIII. Communio: Lux aeterna
Vivaldi: Gloria/Nisi Dominus/4 Cantatas etc.
Gloria in D Major, RV589: 1. Gloria in excelsis
Cantata "Amor Hai Vinto" RV 651: 1. Amor, hai vinto...2. Passo di pena in pena
Cantata "Amor Hai Vinto" RV 651: 3. In qual strano...4. Se a me rivolge il ciglio
Trio Sonata in B minor, Op. 1/11 , RV 79 "La Follia"
Gloria in D, R.589: 4. Gratias agimus tibi
Cantata: "All'ombra di sospetto", RV 678: 1. All' ombra di sospetto
Gloria in D, R.589: 5. Propter magnum gloriam
Cantata: "All'ombra di sospetto", RV 678: 2. O quanti amanti
Gloria in D, R.589: 6. Domine Deus, Rex Coelestis
Cantata: "Lungi dal vago volto", RV 680: 1. Lungi dal vago volto
Gloria in D, R.589: 7. Domini fili unigenite
Cantata: "Lungi dal vago volto", RV 680: 2. Alle grezza mio core
Gloria in D, R.589: 8. Domine Deus, Agnus Dei
Cantata: "Vengo a voi luci adorate", RV 682: 1. Vengo a voi luci adorate
Gloria in D, R.589: 9. Qui tollis peccata mundi
Cantata: "Vengo a voi luci adorate", RV 682: 2. Portando in sen l'ardor
Gloria in D, R.589: 10. Qui sedes ad dexteram patris
Gloria in D, R.589: 11. Quoniam tu solus sanctus
Gloria in D, R.589: 12. Cum Sancto Spiritu
Nisi Dominus (Psalm 126), R.608: 1. Nisi Dominus
Nisi Dominus (Psalm 126), R.608: 2.Vanum est vobis. 3.Surgite postquam sederitis
Nisi Dominus (Psalm 126), RV.608: 4. "Cum dederit" (Andante)
Nisi Dominus (Psalm 126), R.608: 5. "Sicut sagittae" (Allegro)
Nisi Dominus (Psalm 126), R.608: 6. "Beatus vir" (Andante)
Nisi Dominus (Psalm 126), R.608: 7. Gloria Patris. 8. Sicut erat in principio 9. Amen
Nulla in mundo pax, RV 630: 1. Nulla in mundo pax
Nulla in mundo pax, RV 630: 2. Blande colore...3. Spirat anguis inter flores
Nulla in mundo pax, RV 630: 4. Alleluia (Allegro)
Haydn: Mass in D Minor, Hob. XXII:11 "Nelson Mass": Benedictus
Haydn: Mass in C Major, Hob. XXII:9 "Paukenmesse": Et incarnatus
Haydn: Mass in C Major, Hob. XXII:9 "Paukenmesse": Et resurrexit
Haydn: Mass in C Major, Hob. XXII:9 "Paukenmesse": Et vitam
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: 5. Benedictus
Decca Masterpieces: Mozart - The Great Choral Works
Haydn: Mass in D Minor, Hob. XXII:11 "Nelson Mass": Gloria
Dido and Aeneas / Act 3: "Thy hand, Belinda...When I am laid in earth"
Bleib bei uns, denn es will Abend werden, BWV 6: Aria. Hochgelobter Gottessohn (Alto)
Bleib bei uns, denn es will Abend werden, BWV 6: Chorale. Ach bleib bei uns, Herr Jesu Christ (Soprano)