1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x748d431028917603c3cd187d0ce51f64482922da5020b7ee14e67e5cfe51f9a5. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9d6efb32-85df-4125-a75c-ada47684de9e.json and https://artists.proofprofile.net/proofs/artist/9d6efb32-85df-4125-a75c-ada47684de9e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Johann Sebastian Bach - The Six Cello Suites, BWV 1007–1012 - 8D Binaural Sound (8D Binaural Sound - Music Therapy)
Piano Sonata no. 8 in C minor 'Pathetique', Op. 13 - Ludwig van Beethoven (3D Sound - Headphones mandatory for the best experience)
Sonata no. 17 in D minor 'The Tempest', Op. 31 no. 2 - Ludwig van Beethoven (3D Sound - Headphones mandatory for the best experience)
Sonata No. 14 in C Sharp Minor Moonlight, Op. 27 No. 2 - Ludwig van Beethoven (3D Sound - Headphones mandatory for the best experience)
Piano Sonata No. 21, Op. 53 in C Major Waldstein - Ludwig van Beethoven (3D Sound - Headphones mandatory for the best experience)
Piano Sonata no. 23 in F minor 'Appassionata', Op. 57 - Ludwig van Beethoven (3D Sound - Headphones mandatory for the best experience)
Piano Sonata no. 29 in B flat major 'Hammerklavier', Op. 106 - Ludwig van Beethoven (3D Sound - Headphones mandatory for the best experience)
Frédéric Chopin - Nocturnes - BINAURAL 3D SOUND - MUSIC THERAPY
Erik Satie - Gymnopédies et Gnossiennes - Binaural 3D Sound - Music Therapy
Wolfgang Amadeus Mozart - Serenade No. 13 for strings in G major - "A Little Serenade" - Binaural 3D Sound - Music Therapy
Mozart - Piano Sonata No. 11 - "Alla Turca" - Binaural 3D Sound - Music Therapy
Rhapsody in Blue - George Gershwin - Binaural 3D Sound - Music Therapy
Requiem - Wolfgang Amadeus Mozart - Binaural 3D Sound - Music Therapy
Boléro - Maurice Ravel - Binaural 3D Sound - Music Therapy
Piano Concerto No. 2 in C minor, Op. 18, Sergei Rachmaninoff - 8D Binaural Sound - Music Therapy
Best of Franz Liszt - 8D Binaural Sound (8D Binaural Sound - Music Therapy)
Johann Strauss II - Viennese Spirit - 8D Binaural Sound (8D Binaural Sound - Music Therapy)
Symphony No. 5, in C minor, Op. 67 - Ludwig van Beethoven - 8D Binaural Sound (8D Binaural Sound - Music Therapy)
A Merry Classic Christmas in 8D (8D Binaural Sound - Music Therapy)
The Nutcracker - Pyotr Ilyich Tchaikovsky - 8D Binaural Sound (8D Binaural Sound - Music Therapy)
Swan Lake - Pyotr Ilyich Tchaikovsky (8D Binaural Sound - Music Therapy)
Violin Concerto in D major, Op. 35 - Pyotr Ilyich Tchaikovsky (8D Binaural Remastered - Music Therapy)
The Sleeping Beauty - Pyotr Ilyich Tchaikovsky (8D Binaural Sound - Music Therapy)
The Piano Concerto No. 1, in B minor, Op. 23 - Pyotr Ilyich Tchaikovsky (8D Remastered - Music Therapy)
Symphony No. 1 in C major, Op. 21 - Ludwig van Beethoven (8D Binaural Remastered - Music Therapy)
Symphony No. 4 in B flat major, Op. 60 - Ludwig van Beethoven (8D Binaural Remastered - Music Therapy)
Symphony No. 6 in F major, Op. 68 - Pastoral - Ludwig van Beethoven (8D Binaural Remastered - Music Therapy)
Symphony No. 8 in F major, Op. 93 - Ludwig van Beethoven (8D Binaural Remastered - Music Therapy)
Symphony No. 9 in D minor, Op. 125 - Ludwig van Beethoven (8D Binaural Remastered - Music Therapy)
Beethoven's Overtures: Egmont, Fidelio (Leonore), Coriolan [8D Binaural Remastered - Music Therapy]
Violin Concerto in D major, Op. 61 - Ludwig van Beethoven (8D Binaural Remastered - Music Therapy)
Piano Concerto No. 5 in E flat major, Op. 73 'The Emperor' - Ludwig van Beethoven (8D Binaural Remastered - Music Therapy)
Piano Concerto No. 4 in G major, Op. 58 - Ludwig van Beethoven.wav (8D Binaural Remastered - Music Therapy)
Violin Sonata No. 9, Op. 47 in A major - Ludwig van Beethoven (8D Binaural Remastered - Music Therapy)
String Quartet Opus 133 in B flat major - Great Fugue - Ludwig van Beethoven (8D Binaural Remastered - Music Therapy)
The String Quartet No. 13 in B flat major, Op. 130 - Ludwig van Beethoven (8D Binaural Remastered - Music Therapy)
String quartet No. 14, in C sharp minor, Op.131 - Ludwig van Beethoven (8D Binaural Remastered - Music Therapy)
String Quartet No. 15 in A minor, Op.132 - Ludwig van Beethoven.wav (8D Binaural Remastered - Music Therapy)
Violin Concerto No. 2 in D major, K. 211 - Wolfgang Amadeus Mozart.wav (8D Binaural Remastered - Music Therapy)
Sinfonia Concertante for Violin, Viola and Orchestra in E♭ major, K. 364 (320d) - Wolfgang Amadeus Mozart [8D Binaural Remastered - Music Therapy]
Violin Concerto No. 3 in G major, K. 216 - Wolfgang Amadeus Mozart (8D Binaural Remastered - Music Therapy)
Violin Concerto No. 4 in D major, K. 218 - Wolfgang Amadeus Mozart (8D Binaural Remastered - Music Therapy)
Violin Concerto No. 5 in A major, K. 219, 'Turkish' - Wolfgang Amadeus Mozart (8D Binaural Remastered - Music Therapy)
Carmen - Georges Bizet (8D Binaural Remastered - Music Therapy)