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 0x391e6791a4935abd712326a32758ea88648ea1af59e6ca8443087b1a1867de4d. Chain 2 (Bitcoin): anchored in block 953714 (2026-06-15T00:43:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8088c472-1643-41c7-8540-bd6f6febfbb7.json and https://artists.proofprofile.net/proofs/artist/8088c472-1643-41c7-8540-bd6f6febfbb7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vanhal: Missa Solemnis in E-Flat Major, Stabat Mater in F Major & Symphony in D Major, Bryan D4
Stabat Mater in F Minor: No. 1, Stabat Mater
Missa solemnis in E-Flat Major: Ia. Kyrie eleison
Stabat Mater in F Minor: No. 2, O quam tristis
Missa solemnis in E-Flat Major: Ib. Christe eleison
Stabat Mater in F Minor: No. 3, Quis est homo
Missa solemnis in E-Flat Major: Ic. Kyrie eleison
Stabat Mater in F Minor: No. 4, Pro peccatis
Missa solemnis in E-Flat Major: IIa. Gloria
Stabat Mater in F Minor: No. 5, Eja Mater
Missa solemnis in E-Flat Major: IIb. Laudamus te
Stabat Mater in F Minor: No. 6, Sancta Mater
Missa solemnis in E-Flat Major: IIc. Gratias agimus tibi
Stabat Mater in F Minor: No. 7, Tui nati
Missa solemnis in E-Flat Major: IId. Domine Deus, Rex coelestis
Stabat Mater in F Minor: No. 8, Fac me vere
Missa solemnis in E-Flat Major: IIe. Domine Deus, Agnus Dei
Stabat Mater in F Minor: No. 9, Virgo virginum
Missa solemnis in E-Flat Major: IIf. Quoniam tu solus sanctus
Stabat Mater in F Minor: No. 10, Fac me plagis
Missa solemnis in E-Flat Major: IIg. Cum sancto spiritu
Stabat Mater in F Minor: No. 11, Fac me cruce
Missa solemnis in E-Flat Major: IIIa. Credo
Missa solemnis in E-Flat Major: IIIb. Et incarnatus est
Stabat Mater in F Minor: No. 12, Amen - Alla capella
Missa solemnis in E-Flat Major: IIIc. Et resurrexit
Symphony in D Major, Bryan D4: I. Allegro moderato
Missa solemnis in E-Flat Major: IV. Sanctus - Osanna
Symphony in D Major, Bryan D4: II. Andante
Missa solemnis in E-Flat Major: V. Benedictus - Osanna
Symphony in D Major, Bryan D4: III. Allegro
Missa solemnis in E-Flat Major: VIa. Agnus Dei
Symphony in D Major, Bryan D4: IV. Menuetto & Trio
Missa solemnis in E-Flat Major: VIb. Dona nobis pacem
Missa Solemnis in E-Flat Major: Kyrie eleison. Adagio - Allegro
Missa Solemnis in E-Flat Major: Christe eleison. Andante
Missa Solemnis in E-Flat Major: Kyrie eleison. Allegro
Missa Solemnis in E-Flat Major: Gloria. Allegro moderato
Missa Solemnis in E-Flat Major: Laudamus te. Andante
Missa Solemnis in E-Flat Major: Gratias agimus tibi. Allegro moderato
Missa Solemnis in E-Flat Major: Domine Deus, Rex coelestis. Andante
Missa Solemnis in E-Flat Major: Domine Deus, Agnus Dei. Adagio
Missa Solemnis in E-Flat Major: Quoniam tu solus sanctus. Allegro moderato
Missa Solemnis in E-Flat Major: Cum sancto spiritu. Allegro
Missa Solemnis in E-Flat Major: Credo. Allegro moderato
Missa Solemnis in E-Flat Major: Et incarnatus est. Adagio
Missa Solemnis in E-Flat Major: Et resurrexit. Allegro moderato
Missa Solemnis in E-Flat Major: Sanctus. Adagio - Osanna. Allegro
Missa Solemnis in E-Flat Major: Benedictus. Andante - Osanna. Allegro
Missa Solemnis in E-Flat Major: Agnus Dei. Adagio
Missa Solemnis in E-Flat Major: Dona nobis pacem. Allegro
Nisi Dominus In G Minor, RV 608: I. Nisi Dominus
Nisi Dominus In G Minor, RV 608: II. Vanum Est Vobis
Nisi Dominus In G Minor, RV 608: III. Surgite
Nisi Dominus In G Minor, RV 608: IV. Cum Dederit
Nisi Dominus In G Minor, RV 608: V. Sicut Sagittae
Nisi Dominus In G Minor, RV 608: VI. Beatus Vir
Nisi Dominus In G Minor, RV 608: VII. Gloria Patri
Nisi Dominus In G Minor, RV 608: VIII. Sicut Erat In Principio
Nisi Dominus In G Minor, RV 608: IX. Amen
Stabat Mater In F Minor, RV 621: I. Largo
Stabat Mater In F Minor, RV 621: II. Cuius Animam - Adagissimo
Stabat Mater In F Minor, RV 621: III. O Quam Tristis - Andante
Stabat Mater In F Minor, RV 621: IV. Quis Est Homo - Largo
Stabat Mater In F Minor, RV 621: V. Quis Non Posset - Adagissimo
Stabat Mater In F Minor, RV 621: VI. Pro Peccatis - Andante
Stabat Mater In F Minor, RV 621: VII. Eja Mater - Largo
Stabat Mater In F Minor, RV 621: VIII. Fac Ut Ardeat - Lento
Stabat Mater In F Minor, RV 621: IX. Amen - Allegro
Schubert: Mass No. 3 In B-Flat Major and Mass No. 4 In C Major
Mass No. 3 In B-Flat Major, D. 324: I. Kyrie
Mass No. 3 In B-Flat Major, D. 324: II. Gloria
Mass No. 3 In B-Flat Major, D. 324: III. Credo
Mass No. 3 In B-Flat Major, D. 324: IV. Sanctus
Mass No. 3 In B-Flat Major, D. 324: V. Benedictus
Mass No. 3 In B-Flat Major, D. 324: VI. Agnus Dei
Mass No. 4 In C Major, D. 452: II. Gloria
Mass No. 4 In C Major, D. 452: III. Credo
Mass No. 4 In C Major, D. 452: IV. Sanctus
Mass No. 4 In C Major, D. 452: V. Benedictus
Mass No. 4 In C Major, D. 452: VI. Agnus Dei