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 0x234d05af0232254568c303e256f2f4ce8d2e08dd0e06af25e51daecaa332d5db. Chain 2 (Bitcoin): anchored in block 953730 (2026-06-15T02:47:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/945dc86f-1926-498e-b66b-43d59d248947.json and https://artists.proofprofile.net/proofs/artist/945dc86f-1926-498e-b66b-43d59d248947.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Saint-Saens, C.: Havanaise / Sarasate, P.: Zigeunerweisen / Chausson, E.: Poeme / Ravel, M.: Tzigane (Wallenstein, Steinberg, Solomon) (1951-1953)
Symphonie espagnole, Op. 21: I. Allegro non troppo
Symphonie espagnole, Op. 21: II. Scherzando: Allegro molto
Symphonie espagnole, Op. 21: IV. Andante
Symphonie espagnole, Op. 21: V. Rondo. Allegro
Havanaise in E Major, Op. 83: I. Allegretto e lusinghiero
Havanaise in E Major, Op. 83: II. Allegro
Zigeunerweisen, Op. 20: III. Allegro molto vivace
Introduction et Rondo capriccioso in A Minor, Op. 28, R. 188: I. Andante
Introduction et Rondo capriccioso in A Minor, Op. 28, R. 188: II. Allegro ma non troppo
Symphonie espagnole, Op. 21: V. Rondo: Allegro
Havanaise, Op. 83: I. Allegretto e lusinghiero
Zigeunerweisen, Op. 20 (version for violin and orchestra): I. Moderato
Zigeunerweisen, Op. 20 (version for violin and orchestra): II. Lento
Zigeunerweisen, Op. 20 (version for violin and orchestra): III. Allegro molto vivace
Introduction et rondo capriccioso in A Minor, Op. 28: I. Andante
Introduction et rondo capriccioso in A Minor, Op. 28: II. Allegro ma non troppo
Weill, K.: Street Scene (Hollywood Bowl Performance) (1949)
Street Scene, Act I: Overture: Ain't It awful, the heat (Greta, Emma, Olga, Ensemble)
Street Scene, Act I: I got a marble and a star (Henry)
Street Scene, Act I: Gossip Trio. Get a Load of That (Greta, Emma, Olga, Ensemble)
Street Scene, Act I: When a Woman Has a Baby (David, Ensemble)
Street Scene, Act I: Scene. Somehow I Never Could Believe (Anna)
Street Scene, Act I: Ice Cream Sextet (Lippo, Ensemble)
Street Scene, Act I: Let Things Be Like They Always Was (Frank)
Street Scene, Act I: What Good Would the Moon Be? (Rose)
Street Scene, Act I: Remember That I Care (Rose, Sam)
Street Scene, Act II Scene 1: Entr'acte: There'll Be Trouble (Frank, Anna, Rose)
Street Scene, Act II Scene 1: A Boy Like You (Anna)
Street Scene, Act II Scene 1: We'll Go Away Together (Sam, Rose)
Street Scene, Act II Scene 1: The Woman Who Lived Up There (Ensemble)
Street Scene, Act II Scene 2: Interlude. Lullaby (Nursemaids)
Street Scene, Act II Scene 2: I Loved Her Too (Frank, Rose, Ensemble)
Street Scene, Act II Scene 2: Don't Forget the Lilac Bush - Ain't It Awful, the Heat (Sam, Rose, Greta, Emma, Olga, Ensemble)
Sinfonia concertante in E-Flat Major, K. 364: II. Andante
Violin Concerto No. 8 in A Minor, Op. 47: I. Allegro molto
The Violin Concerto: Legendary Performances
Violin Concerto No. 8 in A Minor, Op. 47: II. Adagio - Andante
Violin Concerto No. 8 in A Minor, Op. 47: III. Allegro moderato
Sinfonia Concertante in E-Flat, K 364: I. Allegro
Sinfonia Concertante in E-Flat, K 364: II. Andante
Sinfonia Concertante in E-Flat, K 364: III. Presto
Symphony No. 5: I. Allegro molto moderato
Chávez: Toccata for Percussion - Sinfonia No. 5 for String Orchestra
Symphony No. 5: III. Finale: Allegro con brio
Sinfonia Concertante in E-Flat Major, K. 364/320d: I. Allegro maestoso
Tribute to William Primrose [Mozart, Berlioz, Bartók, Walton]
Sinfonia Concertante in E-Flat Major, K. 364/320d: II. Andante
Sinfonia Concertante in E-Flat Major, K. 364/320d: III. Presto
Gounod: Faust (Bjorling, Siepi, Kirsten) (1950)
Roméo et Juliette, CG 9: Romeo et Juliette: Ange adorable
Ocho por Radio, for Two Violins, Cello, Double Bass, Clarinet, Bassoon, Trumpet and Indian Drum
Spanish and Latin-American Music for Unusual Instrumental Combinations (Mono Version)
Chôros No. 7 for Flute, Oboe, Clarinet, Saxophone, Bassoon, Tam-Tam, Violin and Cello, W199
Ritmo Jondo, for Trumpet, Clarinet and Percussion: Bulerías
Ritmo Jondo, for Trumpet, Clarinet and Percussion: Saetas