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 0xe3ae59de0fdf9305e35b36566cbf561fcc4f0097e5b91bf7cc917515b56a3d0c. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/16ce1b82-02c4-4055-9034-a78e545d2b39.json and https://artists.proofprofile.net/proofs/artist/16ce1b82-02c4-4055-9034-a78e545d2b39.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Prokofiev, Saint-Saëns, Ysaÿe & Chausson: Violin Sonatas
Violin Sonata No. 2 in D Major, Op. 94b: I. Moderato
Violin Sonata No. 2 in D Major, Op. 94b: II. Scherzo. Presto
Violin Sonata No. 2 in D Major, Op. 94b: III. Andante
Violin Sonata No. 2 in D Major, Op. 94b: IV. Allegro con brio
Violin Sonata in D Minor, Op. 27 No. 3 "Ballade"
Violin Sonata No. 1 in D Minor, Op. 75, R. 123: I. Allegro agitato
Violin Sonata No. 1 in D Minor, Op. 75, R. 123: I. Adagio
Violin Sonata No. 1 in D Minor, Op. 75, R. 123: II. Allegretto moderato
Violin Sonata No. 1 in D Minor, Op. 75, R. 123: II. Allegro molto
Prokofiev, Ysaÿe, Chausson, Saint-Saëns: Works for Violin & Piano
Sonata No. 3 in D minor "Ballade" for solo violin, Op. 27, No. 3
Prospero's Isle - Chamber Music by James Francis Brown
Violin Sonata - I. Quasi Improvvisazione. Andante Flessibile
String Trio - II. Variations - I. Animato
String Trio - II. Variations - II. Allegretto
String Trio - II. Variations - III. Andante
String Trio - II. Variations - IV. Allegro Con Spirito
String Trio - II. Variations - V. Moderato
String Trio - II. Variations - VI. Poco Animato
Fritz Kreisler: Music for Violin and Piano
Praeludium & Allegro "by Gaetano Pugnani"
Schön Rosmarin, Old Viennese Dance No. 3
Orfeo ed Euridice, Act II: Ballo. Mélodie (Arr. Kreisler)
La chasse. Caprice "by Jean-Baptiste Cartier"
La vida breve: Danse espagnole (Arr. Kreisler)
Slavonic Dances, Op. 72: No. 2, Mazurka in E Minor (Arr. Kreisler)
Recitativo & Scherzo-Caprice, Op. 6: I. Recitativo. Lento con espressione
Recitativo & Scherzo-Caprice, Op. 6: II. Scherzo. Presto e brillante
Violin Sonata in G Minor, B. g5 "Il trillo del diavolo" (Arr. Kreisler)
Violin Concerto, Op. 36: I. Poco allegro - Vivace
Violin Concerto, Op. 36: II. Andante grazioso
Violin Concerto, Op. 36: III. Finale. Allegro
Violin Concerto in D Major, Op. 77: I. Allegro non troppo
Violin Concerto in D Major, Op. 77: II. Adagio
Violin Concerto in D Major, Op. 77: III. Allegro giocoso, ma non troppo vivace - Poco più presto
The Lark Ascending (Arr. for violin and choir by Paul Drayton)
Jane Eyre - Original Motion Picture Soundtrack
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1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7170d3e6d6db47692751bab083e343a17ebe7a1d1b20a21f3263b5ad5967641. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/48bFgWuYofpZqmIxC82R8V.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/48bFgWuYofpZqmIxC82R8V.
Wiseman: The Nightingale and the Rose (After Oscar Wilde's Fairy Tale)
Wiseman: The Selfish Giant (After Oscar Wilde's Fairy Tale)
Away in a Manger (Arr. Taylor Scott Davis)
{"copyright_id":"0x7fa44468cc32d50d446edddfaa4745dada6a61b6241f1b95895158442f0a2f7c","isrc":"GBBBC2301239","name":"Away in a Manger (Arr. Taylor Scott Davis)","registered_at":"2026-06-26T21:02:15Z","spotify_id":"3g9RM8J2poEsioleFW1APf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fa44468cc32d50d446edddfaa4745dada6a61b6241f1b95895158442f0a2f7c. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3g9RM8J2poEsioleFW1APf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3g9RM8J2poEsioleFW1APf.
Music from the Ghetto: Ailenberg, Braun, Bruch, Shalit
{"copyright_id":"0x7fa44468cc32d50d446edddfaa4745dada6a61b6241f1b95895158442f0a2f7c","isrc":"GBBBC2301239","name":"Away in a Manger (Arr. Taylor Scott Davis)","registered_at":"2026-06-26T21:02:15Z","spotify_id":"16xESgrpXbfmLCL1mqGQUo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fa44468cc32d50d446edddfaa4745dada6a61b6241f1b95895158442f0a2f7c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/16xESgrpXbfmLCL1mqGQUo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/16xESgrpXbfmLCL1mqGQUo.