Jenő Jandó (; 1 February 1952 – 4 July 2023) was a Hungarian pianist and Professor of the Franz Liszt Academy of Music in Budapest. He was the first house pianist for Naxos Records and recorded more t
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 0x1f96194707249055676ddc764121b2ec318ceeb83bae5c51c610512d92efc699. 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/ac7b0fc1-f811-4b98-b4a8-e9c7cb16b882.json and https://artists.proofprofile.net/proofs/artist/ac7b0fc1-f811-4b98-b4a8-e9c7cb16b882.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Overture (Suite) No. 3 in D Major, Bwv 1068: Ii. Air
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0382242ac8182259c2398d357dab3278520f46cf8576c8bc4bda5aefa7c5f8dd. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/HKI199911316.
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The Well-tempered Clavier, Book 1, Bwv 846-869: Prelude and Fugue No. 1 in C Major, Bwv 846
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Violin Sonata No. 3 in C Major, Bwv 1005: Iii. Largo
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Brandenburg Concerto No. 1 in F Major, Bwv 1046 (arr. E. Bindman for piano 4 hands): Ii. Adagio
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Concerto for 2 Violins in D Minor, Bwv 1043: Ii. Largo ma non tanto
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Cello Suite No. 1 in G Major, Bwv 1007: I. Prelude
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Wiegenlied, Op. 98, No. 2, D. 498 (arr. for orchestra)
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6 Moments Musicaux, Op. 94, D. 780: No. 2 in A-flat Major: Andantino
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Symphony No. 6 in C Major, D. 589: Ii. Andante
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Piano Quintet In A Major, Op. 114, D. 667, "die Forelle" (The Trout): Ii. Andante
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Adagio and Allegro, Op. 70 (version for cello and piano): Adagio
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Liszt: Hungarian Rhapsodies Nos. 2, 4 & 6 - Fantasie Uber Ungarische Volksmelodien
Ravel: Piano Concerto in G Major / Piano Concerto for the Left Hand / Introduction Et Allegro
Liebestraume, S541/R211 : No. 3: Nocturne in A-Flat Major
Liszt: Scherzo and March / 3 Liebestraume / Berceuse
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Impromptu No. 3 in G-Flat Major, D. 899 (From "Gattaca")
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The Well-Tempered Clavier, Book 1: Prelude No. 1 in C Major, BWV 846
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
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Liebesträume, S. 541: 3 Liebestraume, S541/R211: No. 3: Nocturne in A-Flat Major
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The Well-Tempered Clavier, Book I: Well-Tempered Clavier, Book I: Prelude and Fugue No. 1 in C Major, BWV 846
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Rhapsody on a Theme of Paganini (Arr. F. Kreisler for violin and piano)
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Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": III. Rondo
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35edb3f1b4ae94b5582455b7b14e5f6b5c9dff0dede0065882612849f0bb0ddb. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/HKI190423201.