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 0x402ba9178f6a4041a6b777087eb626f358105c7f34ec8e20cb55997aeed5e174. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/16c3eb8c-d143-44b5-8e5c-b3e4955e5d32.json and https://artists.proofprofile.net/proofs/artist/16c3eb8c-d143-44b5-8e5c-b3e4955e5d32.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bartholdy, Debussy, Brahms, Beethoven, Mozart, Tschaikowsky, Chopin, Prokofjew, Ravel, Albeniz: Natural Reflections
A Midsummer Night's Dream, Op. 61: No. 7, Notturno
Bläsersolisten der Deutschen Kammerphilharmonie
Piano Sonata No. 1 in C Major, op. 1: Andante
Piano Sonata No. 17 in D Major, op. 31, 2 " The Tempest": Adagio
Serenade No. 13 in G Major, K 525 "A little Night Music": Andante
The Sleeping Beauty, Op. 66: Scéne dansante
Sonata for Piano No. 14 in C-Sharp Minor, Op. 21 "Moonlight": No. 2, Adagio sostenuto
Symphony No. 1 in D Major, Op. 25 "Symphonie Classique": II. Larghetto
Sinfonia concertante in E-Flat Major, K 297b: Adagio
Cantos de Espana, Op. 232: No. 4 Córdoba
Mozart: Klarinettenkonzert & Sinfonia Concertante
Concerto for Clarinet and Orchestra in A Major: I. Allegro
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 0xe8ff222477ac75ffea7f6316f8eaab5c7f8af0f9d0dff4056c167d2e5fdeb09f. 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/DES380821001.
Concerto for Clarinet and Orchestra in A Major: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8743327e916b9ae859681289f43552e7b3324ff1b8fa4bd3c0da5ded6a204cc3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DES380821002.
Concerto for Clarinet and Orchestra in A Major: III. Rondo. Allegro
Sinfonia Concertante in E-Flat Major: I. Allegro
Sinfonia Concertante in E-Flat Major: II. Adagio
Sinfonia Concertante in E-Flat Major: III. Andantino con variazioni
Mozart: Sinfonia concertante in E-Flat Major / Flute and Harp Concerto in C Major
Sinfonia concertante in E-Flat Major, K. 297b: I. Allegro
Sinfonia concertante in E-Flat Major, K. 297b: II. Adagio
Sinfonia concertante in E-Flat Major, K. 297b: III. Andantino con variazioni
Concerto for Flute and Harp in C Major, KV. 299: I. Allegro
Concerto for Flute and Harp in C Major, KV. 299: II. Andantino
Concerto for Flute and Harp in C Major, KV. 299: III. Rondo. Allegro
Haydn: Sinfonia Concertante / Mozart: Sinfonia Concertante
Sinfonia Concertante in B-Flat Major, Hob.I:105: I. Allegro
Sinfonia Concertante in B flat major, Hob.I:105: II. Andante
Sinfonia Concertante in B flat major, Hob.I:105: III. Allegro con spirito
Sinfonia concertante in E flat major, K. 297b: I. Allegro
Sinfonia concertante in E flat major, K. 297b: II. Adagio
Sinfonia concertante in E flat major, K. 297b: III. Andantino con variazioni
Floating Harmony - Natural Reflections (In Harmony with Classical Music)
Concerto for Piano and Orchestra No. 1 in G Minor, Op. 23: 2. Andante
Rhapsodie espagnole: 1. Prélude á la nuit
Peer-Gynt-Suite No. 1, Op. 46: Anitra's Dance
Andante in C Major for Flute and Orchestra, K 315
String Quartet No. 15 in D Minor, K. 421/417b: II. Andante
String Quartet in D Major, op. 18/3: II. Andante con moto
Quintet for Piano, Violin, Viola, Violoncello and Double Bass in A Major, D. 667 "Trout Quintet": II. Andante
Concerto for Piano and Orchestra No. 27 in B-Flat Major, K 595:: 2. Larghetto
Trio in E-Flat Major for Clarinet, Viola and Piano, K. 498 "Kegelstatt-Trio": I. Andante