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 0x664bbb99a4c73f43adfe5527e6169e83c02229f3a428b7c0ef1304e6e627e702. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8c56599c-0e2f-417a-a207-d4a8009be29b.json and https://artists.proofprofile.net/proofs/artist/8c56599c-0e2f-417a-a207-d4a8009be29b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Variations on Wenzel Müller's Ich bin der Schneider Kakadu in G Major, Op. 121a: Variations in G Major on Wenzel Muller's Ich bin der Schneider Kakadu, Op. 121a
Piano Trio No. 7 in B-Flat Major, Op. 97 "Archduke": I. Allegro moderato
Piano Trio No. 7 in B-Flat Major, Op. 97 "Archduke": II. Scherzo. Allegro
Piano Trio No. 7 in B-Flat Major, Op. 97 "Archduke": III. Andante cantabile ma pero con moto -
Piano Trio No. 7 in B-Flat Major, Op. 97 "Archduke": IV. Allegro moderato - Presto
Piano Trio in E-Flat Major, WoO 38: I. Allegro moderato
Piano Trio in E-Flat Major, WoO 38: II. Scherzo. Allegro ma non troppo
Piano Trio in E-Flat Major, WoO 38: III. Rondo. Allegretto
Beethoven, L. Van: Piano Trios, Vol. 3 - Piano Trio No. 3 / Symphony No. 2 (Arr. for Piano Trio)
Piano Trio No. 3 in C Minor, Op. 1, No. 3: I. Allegro con brio
Piano Trio No. 3 in C Minor, Op. 1, No. 3: II. Andante cantabile con variazioni
Piano Trio No. 3 in C Minor, Op. 1, No. 3: III. Menuetto. Quasi allegro
Piano Trio No. 3 in C Minor, Op. 1, No. 3: IV. Finale. Prestissimo
Symphony No. 2 in D Major, Op. 36: I. Adagio - Allegro con brio (Version for piano trio)
Symphony No. 2 in D Major, Op. 36: II. Larghetto quasi andante (Version for piano trio)
Symphony No. 2 in D Major, Op. 36: III. Scherzo (Version for piano trio)
Symphony No. 2 in D Major, Op. 36: IV. Allegro molto (Version for piano trio)
Beethoven, L. Van: Piano Trios, Vol. 2 - Piano Trios Nos. 1, 2, 9
Piano Trio No. 1 in E-Flat Major, Op. 1 No. 1: I. Allegro
Piano Trio No. 1 in E-flat Major, Op. 1, No. 1: Ii. Adagio cantabile
Piano Trio No. 1 in E-Flat Major, Op. 1 No. 1: III. Scherzo. Allegro assai
Piano Trio No. 1 in E-Flat Major, Op. 1 No. 1: IV. Finale. Presto
Piano Trio No. 2 in G Major, Op. 1 No. 2: I. Adagio -
Piano Trio No. 2 in G Major, Op. 1 No. 2: I. Allegro vivace
Piano Trio No. 2 in G Major, Op. 1 No. 2: Piano Trio No. 2 in G Major, Op. 1, No. 2: II. Largo con espressione
Piano Trio No. 2 in G Major, Op. 1 No. 2: III. Scherzo. Allegro
Piano Trio No. 2 in G Major, Op. 1 No. 2: IV. Finale. Presto
Allegretto in B-Flat Major, WoO 39, "Piano Trio No. 9"
Beethoven, L. Van: Piano Trios, Vol. 1 - Piano Trios Nos. 5, 6, 10
Piano Trio No. 5 in D Major, Op. 70, No. 1, "Ghost": I. Allegro vivace e con brio
Piano Trio No. 5 in D Major, Op. 70, No. 1, "Ghost": II. Largo assai ed espressivo
Piano Trio No. 5 in D Major, Op. 70, No. 1, "Ghost": III. Presto
Piano Trio No. 6 in E-Flat Major, Op. 70, No. 2: I. Poco sostenuto - Allegro ma non troppo
Piano Trio No. 6 in E-Flat Major, Op. 70, No. 2: II. Allegretto
Piano Trio No. 6 in E-Flat Major, Op. 70, No. 2: III. Allegretto ma non troppo
Piano Trio No. 6 in E-Flat Major, Op. 70, No. 2: IV. Finale: Allegro
Variations in E-Flat Major on an Original Theme, Op. 44, "Piano Trio No. 10": Theme
Variations in E-Flat Major on an Original Theme, Op. 44, "Piano Trio No. 10": Varaition VII
Variations in E-Flat Major on an Original Theme, Op. 44, "Piano Trio No. 10": Varaition X
Piano Trio No. 5 in D Major, Op. 70 No. 1 "Ghost": II. Largo assai ed espressivo
Piano Trio No. 5 in D Major, Op. 70, No. 1, "ghost": Ii. Largo assai ed espressivo