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 0x99d395455ea3cd01b7f4ed73d2e37d8cdc6105d2d38ce3136ad7bd51205f102a. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/53e83b2c-4a0b-462b-8f70-08159478c330.json and https://artists.proofprofile.net/proofs/artist/53e83b2c-4a0b-462b-8f70-08159478c330.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Variations on “Ah, vous dirai-je Maman” in C major, K.265 (Twinkle, Twinkle, Little Star)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Theme
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 1
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 2
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 3
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 4
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 5
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 6
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 7
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 8
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 9
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 10
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 11
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 12
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Theme (Avant-Garde)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 1 (Avant-Garde)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 2 (Avant-Garde)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 3 (Avant-Garde)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 4 (Avant-Garde)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 5 (Avant-Garde)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 6 (Avant-Garde)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 7 (Avant-Garde)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 8 (Avant-Garde)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 9 (Avant-Garde)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 10 (Avant-Garde)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 11 (Avant-Garde)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 12 (Avant-Garde)
3 Ecossaises, No.1 in D Major, Op. Posth. 72
Orchestral Suite No.2 in B minor, BWV 1067, Mov. 7 Badinerie
Sonatina Op.36 No.1 in C Major, Spiritoso
Sonata in C Major, K.330, I. Allegro Moderato
Sinfonia No.10 in G major BWV.796 Three part inventions
3 Ecossaises, No.3 in D Flat Major, Op. Posth. 72
Sonata Op.13 No. 8 in C Minor "Pathetique". II. Adagio Cantabile
Sonatina Op.36 N.4 in F Major, II. Andante con espressione
12 Easy Piano Pieses, Piece no.2 in G Major
Piano Sonata No. 14 in C Sharp Minor, Op. 27 No. 2, Mov. 1, Moonlight Sonata
Piano Sonata No. 14 in C Sharp Minor, Op. 27 No. 3, Mov. 2, Moonlight Sonata
3 Ecossaises, No.2 in G Major, Op. Posth. 72
Classical Chillout for Christmas (Electronic Version)
Sonata in C Major, K.330, I. Allegro Moderato (Electronic Version)
Contredanse in G Flat Major, B. 17 (Electronic Version)
French Suite No.5, Gavote (Electronic Version)
Sonatina Op.36 No.3 in C Major, Adagio (Electronic Version)
Prelude Op.28 No.7 in A Major (Electronic Version)
Sonatina Op.36 N.4 in F Major, Andante (Electronic Version)
Sonata in C Major K 159 (Electronic Version)
Piano Sonata No. 14 in C Sharp Minor, Op. 27 No. 2, Mov. 1, Moonlight Sonata (Electronic Version)
Piano Sonata No. 14 in C Sharp Minor, Op. 27 No. 3, Mov. 2, Moonlight Sonata (Electronic Version)
3 Ecossaises, No.2 in G Major, Op. Posth. 72 (Electronic Version)
Mazurka Op.6 No.4 in E Flat Minor (Electronic Version)
Prelude Op.28 No.10 in C Sharp Minor (Electronic Version)
Allegretto No.6 in E flat Major (Electronic Version)
3 Ecossaises, No.3 in D Flat Major, Op. Posth. 72 (Electronic Version)
Mazurka op.56 no.2 in C Major (Electronic Version)
Ecossaise in A Flat Major D. 511 (Electronic Version)
Prelude Op.28 no.6 in B Minor (Electronic Version)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Theme (Electronic Version)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 1 (Electronic Version)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 2 (Electronic Version)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 3 (Electronic Version)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 4 (Electronic Version)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 5 (Electronic Version)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 6 (Electronic Version)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 7 (Electronic Version)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 8 (Electronic Version)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 9 (Electronic Version)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 10 (Electronic Version)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 11 (Electronic Version)
12 Variations on “Ah, vous dirai-je Maman” in C major, K.265, Var. 12 (Electronic Version)