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 0x9d5552ab75d3f30026cfe67e6209a30a29b3f88101dc7fcebf58971e0b0bab21. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6d8ac538-3097-4bc0-afef-6a0881a21dc1.json and https://artists.proofprofile.net/proofs/artist/6d8ac538-3097-4bc0-afef-6a0881a21dc1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Querido Néstor II - Canciones de la Isla
Brahms / Orch. Parlow: 21 Hungarian Dances, WoO 1: No. 5 in G Minor
Brahms: 2 Rhapsodies, Op. 79: No. 2 in G Minor
Brahms: 4 Choruses, Op. 17: I. "Es tönt ein voller Harfenklang"
Brahms: Variations on a Theme by Haydn, Op. 56a "St. Antoni Chorale"
Brahms: 4 Choruses, Op. 17: II. Lied von Shakespeare
Brahms: Violin Concerto in D Major, Op. 77: II. Adagio
Brahms: 3 Intermezzi, Op. 117: No. 1 in E-Flat Major
Brahms: 2 Motets, Op. 74: I. "Warum ist das Licht gegeben dem Mühseligen?"
Brahms: Symphony No. 3 in F Major, Op. 90: III. Poco allegretto
Brahms / Orch. Schoenberg: Piano Quartet No. 1 in G Minor, Op. 25: IV. Rondo all Zingarese. Presto
Brahms: 5 Lieder, Op. 94: No. 4, Sappische Ode
Brahms: 21 Hungarian Dances, WoO 1: No. 1 in G Minor (Orchestral Version)
Brahms: Violin Sonata No. 2 in A Major, Op. 100: I. Allegro amabile
Brahms: 7 Fantasias, Op. 116: No. 3, Capriccio in G Minor
Brahms: Ein deutsches Requiem, Op. 45: V. Ihr habt nun Traurigkeit
Brahms: Horn Trio in E-Flat Major, Op. 40: II. Scherzo. Allegro
Brahms: Symphony No. 4 in E Minor, Op. 98: IV. Allegro energico e passionato
Brahms: 7 Fantasias, Op. 116: No. 6, Intermezzo in E Major
Brahms: Cello Sonata No. 1 in E Minor, Op. 38: I. Allegro non troppo
Brahms: 6 Piano Pieces, Op. 118: No. 3, Ballade in G Minor
Brahms: Piano Concerto No. 2 in B-Flat Major, Op. 83: III. Andante
Brahms: Academic Festival Overture, Op. 80
Boreas: Sinfonía No. 1: I. Nocturno y tema de fantasía
Boreas: Sinfonía No. 1: II. Scherzo y fantasía
Boreas: Sinfonía No. 1: IV. Passacaglia y canzona
Piano Concerto in E minor Op. 76. The Toughest Decision of God: I. Introductio. Adagio
Piano Concerto in E minor Op. 76. The Toughest Decision of God: II. Andante
Piano Concerto in E minor Op. 76. The Toughest Decision of God: III. Allegro
Piano Concerto in E minor Op. 76. The Toughest Decision of God: IV. Epilogus
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 0xd156f4f0c2414e203ae3c271a53bacf3b5b196ddabc061491d8c42a3a11c884b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ES5022101602.
Concerto for Cello and String Orchestra Op. 76. Act of Contrition: I. Introductio. Moderato
Concerto for Cello and String Orchestra Op. 76. Act of Contrition: II. Allegretto
Concerto for Cello and String Orchestra Op. 76. Act of Contrition: III. Adagio
Concerto for Cello and String Orchestra Op. 76. Act of Contrition: IV. Allegro
Concerto for Cello and String Orchestra Op. 76. Act of Contrition: V. Cadenza
Concerto for Cello and String Orchestra Op. 76. Act of Contrition: VI. Epilogus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5bde6874a7ac72888b0f790bc1ff3ecac5c4819bfef413ad54643e53496ad3d. 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/ES5022101609.
Danzas del ballet “Estancia”, Op. 8: I. Los trabajadores agrícolas
Danzas del ballet “Estancia”, Op. 8: II. Danza del trigo
Danzas del ballet “Estancia”, Op. 8: III. Los peones de hacienda
Danzas del ballet “Estancia”, Op. 8: IV. Danza final (Malambo)
Panambí (Ballet completo), Op. 1: I. Claro de luna sobre el Paraná
Panambí (Ballet completo), Op. 1: II. Fiesta indígena
Panambí (Ballet completo), Op. 1: III. Ronda de las doncellas
Panambí (Ballet completo), Op. 1: IV. Danza de los guerreros
Panambí (Ballet completo), Op. 1: V. Escena
Panambí (Ballet completo), Op. 1: VI. Pantomima del amor eterno
Panambí (Ballet completo), Op. 1: VII. Canto de Guirahu
Panambí (Ballet completo), Op. 1: VIII. El hechicero se dirige hacia Guirahu - Aparecen las deidades del agua
Panambí (Ballet completo), Op. 1: IX. Juego de las deidades del agua
Panambí (Ballet completo), Op. 1: X. Reaparece el hechicero - Los gritos del hechicero
Panambí (Ballet completo), Op. 1: XI. Inquietud de la tribu
Panambí (Ballet completo), Op. 1: XII. Súplica de Panambí
Panambí (Ballet completo), Op. 1: XIII. Invocación a los espíritus poderosos
Panambí (Ballet completo), Op. 1: XIV. Danza del hechicero
Panambí (Ballet completo), Op. 1: XV. El hechicero habla
Panambí (Ballet completo), Op. 1: XVI. Lamento de las doncellas
Panambí (Ballet completo), Op. 1: XVII. Aparición de Tupa
Panambí (Ballet completo), Op. 1: XVIII. Los guerreros amenazan al hechicero
Panambí (Ballet completo), Op. 1: XIX. El amanecer
Korngold : Sinfonia Op.40 & Captain Blood [Excerpts]
Korngold: Symphony in F-Sharp Major, Op. 40: I. Moderato, ma energico
Pedro Halffter y la Orchestra Filarmonica de Gran Canaria
Korngold: Symphony in F-Sharp Major, Op. 40: II. Scherzo
Korngold: Symphony in F-Sharp Major, Op. 40: III. Adagio
Korngold: Symphony in F-Sharp Major, Op. 40: IV. Finale
Korngold: Overture (From "Captain Blood")