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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38a6a465a286fdf5c97cad86ef5c32def94a42c8e394538fe733648b03b13e86. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/99fa5ff9-e8ee-47c1-831b-2775438b6c88.json and https://artists.proofprofile.net/proofs/artist/99fa5ff9-e8ee-47c1-831b-2775438b6c88.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Symphony No. 1 in F Minor, Op. 10: I. Allegretto
Symphony No. 2 in B Major, Op. 14: I. Largo
Symphony No. 3 in E-Flat Major, Op. 20: I. Allegretto
Symphony No. 4 in C Minor, Op. 43: I. Allegro poco moderato
Symphony No. 5 in D Minor, Op. 47: I. Moderato - Allegro non troppo
Symphony No. 6 in B Minor, Op. 54: I. Largo
Symphony No. 7 in C Major, Op. 60: I. Allegretto
Symphony No. 8 in C Minor, Op. 65: I. Adagio. Allegro non troppo. Adagio
Symphony No. 1 in F Minor, Op. 10: II. Allegro
Symphony No. 10 in E Minor, Op. 93: I. Moderato
Symphony No. 14, Op. 135: I. De profundis
Symphony No. 4 in C Minor, Op. 43: II. Moderato con moto
Symphony No. 5 in D Minor, Op. 47: II. Allegretto
Symphony No. 6 in B Minor, Op. 54: II. Allegro
Symphony No. 7 in C Major, Op. 60: II. Moderato. Poco allegretto
Symphony No. 8 in C Minor, Op. 65: II. Allegretto
Symphony No. 1 in F Minor, Op. 10: III. Lento
Symphony No. 10 in E Minor, Op. 93: II. Allegro
Symphony No. 4 in C Minor, Op. 43: III. Largo. Allegro
Symphony No. 5 in D Minor, Op. 47: III. Largo
Symphony No. 6 in B Minor, Op. 54: III. Finale. Presto
Symphony No. 7 in C Major, Op. 60: III. Adagio /att./
Symphony No. 1 in F Minor, Op. 10: IV. Allegro molto
Symphony No. 10 in E Minor, Op. 93: III. Allegretto
Symphony No. 5 in D Minor, Op. 47: IV. Allegro non troppo
Symphony No. 15 in A Major, Op. 141: I. Allegretto
Symphony No. 7 in C Major, Op. 60: IV. Allegro non troppo
Symphony No. 12 in D Minor, Op. 112: I. Revolutionary Petrograd. Moderato. Allegro
Symphony No. 10 in E Minor, Op. 93: IV. Andante. Allegro
Symphony No. 14, Op. 135: IV. The Suicide
Symphony No. 9 in E-Flat Major, Op. 70: I. Allegro
Symphony No. 15 in A Major, Op. 141: II. Adagio
Symphony No. 12 in D Minor, Op. 112: II. Razliv. Allegro. Adagio
Symphony No. 9 in E-Flat Major, Op. 70: II. Moderato
Symphony No. 15 in A Major, Op. 141: III. Allegretto
Symphony No. 12 in D Minor, Op. 112: III. Aurora. L´istesso tempo. Allegro
Symphony No. 14, Op. 135: VI. Madam, look!
Symphony No. 9 in E-Flat Major, Op. 70: III. Presto
Symphony No. 15 in A Major, Op. 141: IV. Adagio. Allegretto
Symphony No. 12 in D Minor, Op. 112: IV. The Dawn of Humanity. L´istesso tempo
Symphony No. 14, Op. 135: VII. In Prison: At the Sante Jail
Symphony No. 9 in E-Flat Major, Op. 70: IV. Largo
Symphony No. 14, Op. 135: VIII. The Zaporozhian Cossack´s Answer to the Sultan od Constantinopole
Symphony No. 9 in E-Flat Major, Op. 70: V. Allegretto
Symphony No. 14, Op. 135: IX. O, Delvig, Delvig!
Symphony No. 14, Op. 135: X. The Death of the Poet
Symphony No. 14, Op. 135: XI. Conclusion
Dvořák: Dimitrij. Opera in 4 Acts, Op. 64
Dimitrij, Op. 64, B. 127: "Overture (Introduction)"
Dimitrij, Op. 64, B. 127, Act I, Scene 1: "Terrible Sorrow Now Has Struck Our Native Land" (Kníže Vasilij Ivanovič Šujskij)
Dimitrij, Op. 64, B. 127, Act I, Scene 2: "Hear Me, Moscow" (Petr Fjodorovič Basmanov, vůdce vojska carského)
Dimitrij, Op. 64, B. 127, Act I, Scene 3: "The People Rush Blindly To Destruction" (Kníže Vasilij Ivanovič Šujskij)
Dimitrij, Op. 64, B. 127, Act I, Scene 4: "Help! Hear Me! Have Pity!" (Xenie Borisovna, dcera po caru Borisi Godunovovi, Kníže Vasilij Ivanovič Šujskij)
Dimitrij, Op. 64, B. 127, Act I, Scene 5: "See a Golden Sun Has Risen Above The Whole Land of Russia" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Marfa Ivanovna, cařice, vdova po Ivanu Hr
Dimitrij, Op. 64, B. 127, Act I, Scene 6: "Mother, Dearest Mother!" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Marfa Ivanovna, cařice, vdova po Ivanu Hrozném, Petr Fjodorovič Basmanov, v
Dimitrij, Op. 64, B. 127, Act II: "Ouverture"
Dimitrij, Op. 64, B. 127, Act II, Scene 1: "What Great Joy Is My Reward After a Hard, Cruel Battle" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Marina Mníškova z rodu knížat Sandomírských
Dimitrij, Op. 64, B. 127, Act II, Scene 2: "Raise Your Glasses Higher" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Marina Mníškova z rodu knížat Sandomírských, choť Dimitrijova)
Dimitrij, Op. 64, B. 127, Act II: "Change of Scene"
Dimitrij, Op. 64, B. 127, Act II, Scene 1: "From the Wild Storm of Life My Soul Hastened Here Longingly" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného)
Dimitrij, Op. 64, B. 127, Act II, Scene 2: "I Have Escaped! But Am I Safe?" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Xenie Borisovna, dcera po caru Borisi Godunovovi)
Dimitrij, Op. 64, B. 127, Act II, Scene 3: "Hello, the Girl Is Flirting With the Dead" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Xenie Borisovna, dcera po caru Borisi Godunovovi, Něbors
Dimitrij, Op. 64, B. 127, Act II, Scene 4: "O My Protector!" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Xenie Borisovna, dcera po caru Borisi Godunovovi)
Dimitrij, Op. 64, B. 127, Act II, Scene 5: "Softly, Follow Me" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Kníže Vasilij Ivanovič Šujskij)
Dimitrij, Op. 64, B. 127, Act III, Scene 1: "I Saw Her With My Own Eyes, I Caught Sight If Ksenia" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného)
Dimitrij, Op. 64, B. 127, Act III, Scene 2: "Greetings, Tsar" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Marfa Ivanovna, cařice, vdova po Ivanu Hrozném, Marina Mníškova z rodu knížat San
Dimitrij, Op. 64, B. 127, Act III, Scene 3: "Let Me Go! For God´s Sake Let Me See the Tsarina" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Marfa Ivanovna, cařice, vdova po Ivanu Hrozném,
Dimitrij, Op. 64, B. 127, Act III, Scene 4: "Why Did You Pardon Shuisky?" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Marina Mníškova z rodu knížat Sandomírských, choť Dimitrijova)
Dimitrij, Op. 64, B. 127, Act IV, Scene 1: "I Dreamt That Pale Death Touched Me With Her Right Hand" (Xenie Borisovna, dcera po caru Borisi Godunovovi)
Dimitrij, Op. 64, B. 127, Act IV, Scene 2: "Xenia!" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Xenie Borisovna, dcera po caru Borisi Godunovovi)
Dimitrij, Op. 64, B. 127, Act IV, Scene 3: "He Has Left! Now the Sacrifice Is Complete" (Xenie Borisovna, dcera po caru Borisi Godunovovi)
Dimitrij, Op. 64, B. 127, Act IV, Scene 4: "I Will Revoke It, I Will Revoke Everything!" (Marina Mníškova z rodu knížat Sandomírských, choť Dimitrijova)
Dimitrij, Op. 64, B. 127, Act IV, Scene 5: "Help Me, Dimitri, Where Are You?" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Xenie Borisovna, dcera po caru Borisi Godunovovi, Kníže Vasilij I
Dimitrij, Op. 64, B. 127, Act IV, Scene 6: "Tremble, You Murderess!" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Marina Mníškova z rodu knížat Sandomírských, choť Dimitrijova, Petr Fjodor
Dimitrij, Op. 64, B. 127, Act IV, Scene 7: "Marfa! Marfa!" (Dimitrij Ivanovič, domnělý syn Ivana Hrozného, Marfa Ivanovna, cařice, vdova po Ivanu Hrozném, Petr Fjodorovič Basmanov, vůdce vojs
Zelenka: Missa in D, Responsoria pro hebdomada sancta
Responsoria pro hebdomada sancta: I. Omnes amici mei
Responsoria pro hebdomada sancta: II. Velum templi scissum est
Responsoria pro hebdomada sancta: III. Tamquam ad latronem existis
Responsoria pro hebdomada sancta: IV. Tenebrae factae sunt
Responsoria pro hebdomada sancta: V. Animam meam dilectam
Stabat Mater, Op. 58, B. 71: I. Stabat Mater dolorosa. Andante con moto
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58bbd8b0faacaeedf471adc3761a7a268fc9f08b1a3a35270e5283afa0e0901c. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169701140.
Stabat Mater, Op. 58, B. 71: II. Quis est homo, qui non fleret. Andante sostenuto
Stabat Mater, Op. 58, B. 71: III. Eja, Mater, fons amoris. Andante con moto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cdfa0a015a04499a86cd2e3fa8411a9efd9ecb35ed8522b2df8b410994ed7d7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169703140.
Stabat Mater, Op. 58, B. 71: IV. Fac, ut ardeat cor meum. Largo
Stabat Mater, Op. 58, B. 71: V. Tui nati vulnerati. Andante con moto quasi allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0483513e75d637b6c4447b54ce236e9a916ff2ed841b4f66c6a2df9621db37ae. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169705140.
Stabat Mater, Op. 58, B. 71: VI. Fac me vere tecum flere. Andante con moto
Stabat Mater, Op. 58, B. 71: VII. Virgo virginum praeclara. Largo
Stabat Mater, Op. 58, B. 71: VIII. Fac, ut portem Christi mortem. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3cfb0c5d3791b67ff9fda76b82635b714793ae9fb580b435e3631b9f7130194. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169708140.
Stabat Mater, Op. 58, B. 71: IX. Inflammatus et accensus. Andante maestoso
Stabat Mater, Op. 58, B. 71: X. Quando corpus morietur. Andante con moto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e111465b3a8393f376f6ef676a68ff2956707c3b7e635c2e39fbe3f6a073e29. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169710140.
El Orfeón Donostiarra en Su Centenario (Vol. I)
Pasión Según San Mateo: o Haupt Voll Blut
Pasión Según San Mateo: Wir Setzen Uns Mins Mi Tranen Nieder
Magnificat: Sicut, Locutus Est. Gloria Patri
Missa Solemnis: Credo In Spiritum. Et Vitam Venturi
Requiem No. 6 Final: Der Tod Ist Verschlungen In Den Sieg
Stabat Mater No. 10: Final. Quando Corpus Morietur
Sinfonia No. 2 Resurrección: Auferstehn, Ja Auferstehn Wirts Du
Samson and Dalila: Mon coeur s´ouvre a ta voix (Dalila)
Oedipus Rex: Nonn' erubescite, reges - Oraculum (Iocasta)
Médée: Del fiero duol che il cor mi frange (Medea)
Elektra: Ich habe keine gute Nächte (Klytaemnestra, Elektra)
Salome, Final Scene - Salomé: Ah! Je baserai ta bouche, Iokanaan (Salomé, Hérode)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x532104aa4e7e8dc485c1630ae50bafa5d45f4e16733f4d4ea02c2dd425accf27. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SKA129020701.
Verdi: Rigoletto, Act II: „Ella mi fu rapita... Parmi veder le lagrime"
Verdi: Nabucco, Act III: „Va, pensiero, sull'ali dorate"
Verdi: Nabucco, Act II: „Vieni, o Levita!"
Verdi: Aida, Act III: „Qui Radames verrà"
Verdi: Simon Boccanegra, Prologue: „A te l'estremo addio... Il lacerato spirito"
Verdi: La forza del destino, Act IV: „Pace, pace, mio Dio"
Verdi: Un ballo in maschera, Act III: „Forse la soglia attinse...ma se m'e forza perderti"
Verdi: Il trovatore, Act II: „Vedi, le fosche notturne spoglie"
Verdi: La traviata, Act II: „De' miei bollenti spiriti"
Verdi: Don Carlos, Act IV: „Ella giammai m'amo"