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 0x2de33f77a0cc15765bc1747fdee94e3467ea00ac95d12502c3afbf235699c20f. Chain 2 (Bitcoin): anchored in block 953741 (2026-06-15T04:44:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9a43f91b-de1d-49c4-a27e-327cd99a9609.json and https://artists.proofprofile.net/proofs/artist/9a43f91b-de1d-49c4-a27e-327cd99a9609.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Handel Favourites – Arrival of the Queen of Sheda, Water Music, and more – Mackerras, Szell, Menuhi,n Somary
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 0xa060a44564d03c4a6d1fd0d133830c30f1fa3e9187a82d2d7b7af7b455838efe. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USX761734001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd34745598d88242434c7bdd7c0e7b74bb47943d62ad58879f470b183842fb19b. 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/USX761734003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1088264d2418b88feb666da4cfea833266c8d0515e1fc47060086814eb1590ec. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USX761734006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x618944e70e061064ca1a8906109f74c803cfef500eeafc27b2c5661ae43ac9de. 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/USZDG0600046.
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Le quattro stagioni (The Four Seasons), Op. 8 - Concerto No. 1 in E Major, RV 269, "La primavera" (Spring): I. Allegro
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Concerto in D Minor for Flute and Orchestra, Wq 22: I. Allegro
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Sonata No. 12 in D Minor, Op. 5, "La Follia": Variations over an old Spanish Sarabande
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Solomon, HWV 67: The Arrival of the Queen of Sheba
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Trumpet Voluntary in D Major (The Prince of Denmark's March)
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Concerto in D Minor for Guitar and Orchestra, FWV L:d 1: III. Un poco allegro
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Le quattro stagioni (The Four Seasons), Op. 8 - Concerto No. 3 in F Major, RV 293, "L'autunno" (Autumn): I. Ballo e canto de villanelli: Allegro
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Concerto in G Major for Viola and Orchestra, TWV 51:G9: I. Largo
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Concerto grosso in D Major, Op. 6,4: I. Adagio - Allegro
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Concerto in D Major for Trumpet and Organ: I. Pomposo
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Le quattro stagioni (The Four Seasons), Op. 8 - Concerto No. 4 in F Minor, RV 297, "L'inverno" (Winter): II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcace7395630a8352977e0bf6f2f79061361edfff075174ffee9c4cc57a085a07. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/SEWDL0727809.
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The Four Seasons, Violin Concerto No. 1 in E Major, RV 269 "Spring": I. Allegro
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Canon and Gigue in D Major, P. 37: I. Canon
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x633f3a7eb1cf24c1fcaae20c21549c95bf3d6105149f85cb6bee8b9bb6548560. 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/USZDG0600544.
Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro
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The 99 Most Essential Christmas Masterpieces
The Classical Halloween Collection: Classical Music of Doom, Dread and All Things Wicked!
Divertimento in B-flat for 2 Horns and Strings, K. 287: Allegro
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Divertimento in B-flat for 2 Horns and Strings, K. 287: iii. Menuetto
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Divertimento in B-flat for 2 Horns and Strings, K. 287: iv. Adagio
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The 99 Most Essential Pieces of Classical Music
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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21 Hungarian Dances, WoO 1: No. 5, Allegro in F-Sharp Minor
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14 Romances, Op. 34: No. 14, Vocalise (Lentamente)
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The Planets, Suite for Large Orchestra, Op. 32: IV. Jupiter, The Bringer of Jollity
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Pomp and Circumstance Marches, Op. 39: March No. 1 in D Major (Arr. for Brass Ensemble and Organ)
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Fancy Dress Suite, Op. 82: III. Dusk (Waltz)
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The Pirates of Penzance, Act 1: No. 13, "I Am the Very Model of a Modern Major-General"
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21 Hungarian Dances, WoO 1: No. 5, Allegro in G Minor
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Toy Symphony "Berchtoldsgaden Musik": II. Minuet
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Midsommarvaka, Op. 19 "Swedish Rhapsody No. 1"
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Symphony No. 1 in D Major, Op. 25 "Classical": IV. Finale. Molto vivace
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The Tale of the Tsar Saltan, Act III: The Flight of the Bumblebee
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Children's Corner, L. 113: VI. Golliwog's Cakewalk (Arr. for Orchestra)
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The Nutcracker, Ballet Suite, Op. 71a: I. Little Overture
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Le tombeau de Couperin, M. 68a: IV. Rigaudon
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Serenade for Strings, Op. 11: I. Preludium
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Carmina Burana, Fortuna Imperatrix Mundi: No. 1, O Fortuna
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Symphony No. 41 in C Major, K. 551 "Jupiter": I. Allegro vivace
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The 50 Darkest Pieces of Classical Music
Totentanz (Dance of Death) for Piano and Orchestra
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The Nutcracker, Op. 71a: XVC. Pas de deux - Variation II: Dance of the Sugar-Plum Fairy
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Peer Gynt Suite No. 1, Op. 46: In the Hall of the Mountain King
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Morceaux de Fantasie, Op. 3: II. Prélude in C-Sharp Minor, "The Bells of Moscow": Lento
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The Planets, Op. 32: Saturn, the Bringer of Old Age
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Romeo and Juliet, Ballet Suite No. 2, Op. 64: I. Montagues and Capulets
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Symphony No. 5 in C Minor, Op. 67, "Fate": Allegro con brio
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Piano Sonata No. 14 in C-Sharp Minor, Op. 27:2, "Moonlight Sonata": Adagio sostenuto
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Symphony No. 40 in G Minor, K. 550: Allegro molto
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Concerto in C Major for Sopranino Recorder, Strings and B.C, RV 443: II. Largo
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Music for Strings, Percussion and Celesta, Sz 106: III. Adagio
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Sonata No. 2 in B-Flat Minor for Piano, Op. 35: III. Marche Funébre (Funeral March): Lento
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Concerto No. 10 in D Minor for Organ and Orchestra, HWV 309, Op. 7: I. Adagio
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Messa da Requiem: Dies irae - Tuba mirum
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Symphony No. 3 in E-Flat Major, Op. 55, "Eroica": II. Marcia funébre: Adagio assai
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Sonata in D Minor for Cello and Piano, Op. 40: II. Allegro
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Adagio in G Minor for Strings and Organ, "Albinoni's Adagio"
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Lemminkäinen Suite, Op. 22: The Swan of Tuonela: Andante molto sostenuto
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Toccata and Fugue in D Minor for Organ, BWV 565
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Symphony No. 7 in A Major, Op. 92: II. Allegretto
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The Planets, Op. 32: Neptune, the Mystic
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Water Music, Suite from HWV 348-350: VI. Alla Hornpipe
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Symphony No. 40 in G Minor, K. 550: I. Molto allegro
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Adagio in G Minor (Arr. by Remo Giazotto)
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Medieval Christmas (Early Classical Music for the Holidays)
Benedictine Nuns Choir of l'Abbaye de Notre-Dame d'Argentan
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Dag Wiren: Serenade For String (Dag Wiren: Serenade For Strings, Op. 11, Edvard Grieg: Holberg Suite, Op. 40 & Benjamin Britten: Simple Symphony)
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Last Spring, Op. 34. No. 2. From Two Elegiac Melodies
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Classical Masterworks - 100 World's Greatest Classics - The Finest Classical Music In The World
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Händel, Música para los Reales Fuegos Artificiales, Música Acuática
Music for the Royal Fireworks, HWV 351: I. Ouverture: Adagio, Allegro, Lentement, Allegro
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Music for the Royal Fireworks, HWV 351: La Réjouissance: Allegro
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Music for the Royal Fireworks, HWV 351: V. Menuets I and II
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Music for the Royal Fireworks, HWV 351: II. Bourrée
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Music for the Royal Fireworks, HWV 351: III. La Paix: Largo alla siciliana
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Water Music Suite No. 1, HWV 348: II. Adagio e staccato
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Water Music Suite No. 1, HWV 348: III. Allegro
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Water Music Suite No. 2, HWV 348: I. Alla Hornpipe
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Requiem In D Minor, K. 626 - Sequence No. 1: Dies Irae
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Requiem In D Minor, K. 626 - Sequence No. 6: Lacrimosa Dies Illa
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Handel: Water Music And Royal Fireworks Music
Vivaldi, Las Cuatro Estaciones, Piccolo Concerto
Mandolin Concerto in C Major, RV 425: III. Presto
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Flight of the Bumblebee from Tsar Saltan
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Two Guitars (Russian Gypsy Folksong) - Instrumental
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Overture to The Tsar's Bride - Instrumental
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Russian Sailor's Dance from The Red Poppy
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Procession of the Sardar from Caucasian Sketches, Op.10 - Instrumental
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Rachmaninoff: Symphony No. 2 in E Minor. Op. 27: III. Adagio
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Transcribed in the Light of Harpsichord Technique (Bach's "Chromatic Fantasy & Fugue"), for piano: i. Chromatic Fantasia (BWV903)
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Transcribed in the Light of Harpsichord Technique (Bach's "Chromatic Fantasy & Fugue"), for piano: ii. Fugue (BWV948)
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Capriccio on the Departing of his Most Beloved Brother in B-flat Major, BWV992: v. Allegro poco: Aria di Postiglione
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French Suite No. 3 in B Minor BWV814: ii. Courante
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Trumpet Concerto in E-flat major (Hob.VIIe:1): i. Allegro
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Trumpet Concerto in E-flat major (Hob.VIIe:1): ii. Andante
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A Global Christmas Concert - Choral Music for the Season
Chill Classical Strings - The Most Relaxing Masterpieces
Vanhal: Bassoon Concerto in C Major: II. Adagio (Andante molto)
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