Béla Drahos (born 14 April 1955) is a Hungarian conductor and flautist. Biography thumb|Bela Drahos with the Austrian guitarist Johanna Beisteiner (middle) and the Hungarian composer Robert Gulya (le
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 0x89716aa5fc81ab4a63215ea84be2cd8b1a73964968fe88cce70c9e21a5d9aa33. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/59826d76-3f93-42e1-a9cb-7682c166d909.json and https://artists.proofprofile.net/proofs/artist/59826d76-3f93-42e1-a9cb-7682c166d909.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vivaldi: Bassoon Concertos (Complete), Vol. 1
Bassoon Concerto in C Major, RV 476: II. Largo
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x772de5bb4694cc46b6089904ffae175dbaefe2c11e095da1df38b75334a5dd98. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/HKI190245402.
Bassoon Concerto in C Major, RV 476: III. Allegro molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53be854ffc64d8942051f20cbef7269c07732b9a3d3ffa3b2649a4523187cfeb. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/HKI190245403.
Bassoon Concerto in F Major, RV 487: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0057e091984224af23a956ec13b80994ca9e487064c0c2405894b858eb42d77. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/HKI190245405.
Bassoon Concerto in C Major, RV 471: I. Allegro molto
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Bassoon Concerto in C Major, RV 471: II. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bf2792d0714b8f3d02f5db50d77e7bb62feb5701ab2545f9eac926b84f613a4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/HKI190245408.
Bassoon Concerto in A Minor, RV 498: II. Larghetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd73885c02a75b10b1d4a2dbad91dab32cbea085e55d84cb10e5517e8f4174b33. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/HKI190245411.
Bassoon Concerto in A Minor, RV 498: III. Allegro
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Bassoon Concerto in C Minor, RV 480: I. Allegro
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Bassoon Concerto in C Minor, RV 480: III. Allegro
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Bassoon Concerto in B-Flat Major, RV 503: I. Allegro non molto
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Bassoon Concerto in B-Flat Major, RV 503: II. Largo
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Bassoon Concerto in G Major, RV 493: II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab918d0acc2e7866499dc19dcd294a9b542d263cc4d508c45d1632a7688b1b11. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/HKI190245420.
Bassoon Concerto in C Major, RV 476: I. Allegro
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1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Bassoon Concerto in F Major, RV 487: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61a428c152ed82e8dacec45fac3bbd977ec6b2e039850a3f8797c287c38109dd. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/HKI190245404.
Bassoon Concerto in F Major, RV 487: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6083893e7992c126dcfd541602704ed3af0dca82fccf7b2543db0fdb9b8bae7d. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/HKI190245406.
Bassoon Concerto in C Major, RV 471: III. Allegro
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Bassoon Concerto in A Minor, RV 498: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b66215cbbe235a3edf59ba408a50867bfd3086a95e09d29e10fc06b69dd5a87. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/HKI190245410.
Bassoon Concerto in C Minor, RV 480: II. Andante quasi minuetto
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Bassoon Concerto in B-Flat Major, RV 503: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72342c616042526c9b6a8a41f12ea938c945c9d8154e61bd36d3b2f60fbf9000. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/HKI190245418.
Bassoon Concerto in G Major, RV 493: I. Allegro ma poco
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Bassoon Concerto in G Major, RV 493: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22ca0b44bd266816de1adbd4f2f334be1e938feb50d4bcdcee1b2848b87d4263. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/HKI190245421.
Concerto for 2 Oboes in C Major, RV 534: II. Largo
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Symphony No. 5 in C-Sharp Minor: IV. Adagietto: Sehr langsam
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Die Zauberflote (The Magic Flute), K. 620, Act II: Der Holle Rache… (Queen of the Night)
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Peer Gynt Suite No. 1, Op. 46: IV. In the Hall of the Mountain King
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Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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The 4 Seasons: Violin Concerto in E Major, Op. 8, No. 1, RV 269, "La primavera" (Spring): The Four Seasons: Violin Concerto in E Major, Op. 8, No. 1, RV 269, "Spring": I. Allegro
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Swan Lake, Op. 20, Act II No. 10: Scene, "Swan Theme"
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Violin Partita No. 3 in E Major, BWV 1006: I. Preludio
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An der schonen, blauen Donau (The Beautiful Blue Danube), Op. 314
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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Liebesträume, S. 541: 3 Liebestraume, S541/R211: No. 3: Nocturne in A-Flat Major
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Bagatelle in A Minor, WoO 59, "Fur Elise"
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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Mandolin Concerto in C Major, RV 425: I. Allegro
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Die Walkure, Act III: Ride of the Valkyries
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Toccata and Fugue in D Minor, BWV 565: Toccata
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1812 Festival Overture, Op. 49: 1812 Overture, Op. 49
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Nocturne No. 2 in E-Flat Major, Op. 9, No. 2
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The Planets, Op. 32: IV. Jupiter, the Bringer of Jollity
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Music for the Royal Fireworks, HWV 351: IV. Le rejouissance
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3 Gymnopedies: No. 1. Lent et douloureux
Orchestre Symphonique et Lyrique de Nancy
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Piano Concerto in A Minor, Op. 16: I. Allegro moderato
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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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The 4 Seasons: Violin Concerto in F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): II. Largo
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Rinaldo, HWV 7a: Lascia ch'io pianga (Let me lament)
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
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Suite bergamasque: III. Clair de lune (orch. A. Caplet)
Rheinland-Pfalz State Philharmonic Orchestra
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Gianni Schicchi: O mio babbino caro (Lauretta)
Belgian Radio and Television Philharmonic Orchestra
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Serse (Xerxes), HWV 40, Act I: Ombra mai fu: Largo (Serse)
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Nabucco, Act III: Va, pensiero, "Chorus of Hebrew Slaves"
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Prélude à l'après-midi d'un faune, L. 86: Prelude a l'apres-midi d'un faune
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Le nozze di Figaro, K. 492, Act I: Overture
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The A to Z of Classical Music (3rd Expanded Edition, 2009)