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 0xaacb3bc6c122a03ba2bbe50d2fe016d277fa60cad1e54fc60872c2d9e3d35fed. Chain 2 (Bitcoin): anchored in block 953877 (2026-06-16T02:39:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0434343e-59df-4786-bff4-d9d639a5a3fc.json and https://artists.proofprofile.net/proofs/artist/0434343e-59df-4786-bff4-d9d639a5a3fc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Crown of India, Op. 66: March of the Mogul Emperors
The Planets, Op. 32: I. Mars, the Bringer of War
Das Rheingold, Scene 4: Entry of the Gods into Valhalla
Die Walkure, Act III: Ride of the Valkyries
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 → block OTSBitcoinBlock must exist at that height 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 0x4df5f7bb5c81abf51046906896f8bad1049f9ba828d8ed201b8691da8b02405c. 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/HKI199332102.
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The Firebird Suite (1919 version): Firebird Suite: King Kastchei's Infernal Dance (1919 version)
Belgian Radio and Television Philharmonic Orchestra
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Pini di Roma (Pines of Rome): IV. Pines of the Appian Way
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Feste romane (Roman Festivals): IV. Epiphany
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Romeo and Juliet, Op. 64: Montagues and Capulets (Dance of the Knights)
Sinfonie Nr. 3 c-Moll, Op. 78, "Orgelsinfonie": 2. Maestoso - Allegro - Più allegro - Molto allegro - Pesante (Ein Schweinchen names Babe): Symphony No. 3 in C Minor, Op. 78, "Organ": II. All
Le sacre du printemps (The Rite of Spring): Part 2: The Sacrifice (excerpt)
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The Red Poppy, Op. 70: Russian Sailors' Dance
Danzas fantasticas (Fantastic Dances), Op. 22: III. Orgia
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The Philadelphia Virtuosi Chamber Orchestra
Symphony No. 9 in D Minor, WAB 109: II. Scherzo: Bewegt, lebhaft (original 1894 version, ed. L. Nowak)
Bilder einer Ausstellung: IX. The Hut on Fowls' Legs, "Baba Yaga"
Gotterdammerung, Act III: Siegfried's Death and Funeral March
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Bilder einer Ausstellung: X. The Great Gate of Kiev
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1812 Festival Overture, Op. 49: 1812 Overture, Op. 49: Finale
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Spellbinding Classics: Classical Music for the Witching Hour
Polish National Radio Symphony Orchestra
Hamlet Suite, Op. 116a: The Ghost (Suite, No. 3)
The Invisible Man Returns: The Ghost (orch. J. Morgan)
Peer Gynt Suite No. 1, Op. 46: II. The Death of Aase
CSSR State Philharmonic Orchestra, Kosice
3 Utwory w dawnym stylu (3 Pieces in Old Style): III. —
Nocturne No. 19 in E Minor, Op. 72, No. 1
Hamlet Suite, Op. 116a: Story of Horatio and the Ghost
Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
Götterdämmerung: Gotterdammerung (Twilight of the Gods), Act III: Siegfried's Funeral March
Requiem in D Minor, K. 626: Sequence No. 6: Lacrimosa dies illa
Symphony No. 3, Op. 36, "Symfonia piesni zalosnych" (Symphony of Sorrowful Songs): II. Lento e largo (excerpt)
La Belle et la Bete (Beauty and the Beast): Moments d'effroi (Frightful Moments)
Symphony in D Minor, D. 810, "Death and the Maiden" (Arr. A. Stein)
Piano Trio in D Major, Op. 70, No. 1, "Ghost": II. Largo assai ed espressivo
Symphony No. 8 in C Minor, WAB 108 (original 1887 version, ed. L. Nowak): I. Allegro moderato
Tod und Verklarung (Death and Transfiguration), Op. 24, TrV 158
The 4 Seasons: Violin Concerto in E Major, Op. 8, No. 1, RV 269, "La primavera" (Spring): I. Allegro
The Butterfly Lovers Violin Concerto (conclusion)
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Piano Sonata No. 8 in C Minor, Op. 13, "Pathetique": III. Rondo: Allegro
Symphony No. 4 in B-Flat Major, Op. 60: III. Menuetto: Allegro vivace - Trio: Un poco meno allegro
Così fan tutte, K. 588: Cosi fan tutte, K. 588, Act I: Aria: Come scoglio
Symphony No. 4 in E-Flat Major, WAB 104, "Romantic": III. Scherzo: Bewegt (1881 version, ed. R. Haas)
String Quartet No. 2 in A Minor: IV. Epilogue: Andante sostenuto
Violin Sonata in D Major, Op. 8, No. 3: Largo Espressivo
The Well-Tempered Clavier, Book 1, BWV 846-869: Prelude and Fugue No. 2 in C Minor, BWV 847
String Quartet No. 53 in D Major, Op. 64, No. 5, Hob.III:63, "The Lark": III. Menuetto: Allegretto
Flute Concerto No. 2 in D Major, K. 314: I. Allegro aperto
Winterreise, Op. 89, D. 911: Der Lindenbaum
Carmen Fantasy, Op. 25: I. Introduction: Allegro moderato
Piano Concerto No. 1 in E-Flat Major, S124/R455: I. Allegro maestoso - Tempo giusto
Grand Variations on Rule Britannia, Op. 116
Symphony No. 8 in G Major, Op. 88, B. 163: III. Allegretto grazioso - Molto vivace
Symphony No. 3, Op. 36, "Symphony of Sorrowful Songs": II. Lento e largo - Tranquillissimo
Symphony No. 9 in C Major, D. 944, "Great": IV. Finale: Allegro vivace
Overture Suite in G Minor, TWV 55:g4: III. Les Irresoluts
Ein Sommernachtstraum, Op. 61, MWV M13: A Midsummer Night's Dream, Op. 61, Act IV: Wedding March
Songs of Experience, Volume I: Part I: Earth's Answer
Symphony No. 3, "Circus Maximus": I. Introitus
Lightning flashes over the Tatra… (Slovakia) (arr. P. Breiner)
Symphony No. 4 in A Major, Op. 90, "Italian": I. Allegro vivace
Symphony No. 1 in C Minor, Op. 68: II. Andante sostenuto
Symphony No. 9 in E Minor, Op. 95, "From the New World": IV. Allegro con fuoco
Symphonie fantastique, Op. 14: IV. Marche au supplice: Allegro non troppo
Symphony No. 6 in B Minor, Op. 74, "Pathetique": II. Allegro con grazia
Symphony No. 1 in D Major, "Titan": III. Feierlich und gemessen, ohne zu schleppen
Symphony No. 2 in E Minor, Op. 27: III. Adagio
Symphony No. 8 in B Minor, D. 759, "Unfinished": II. Andante con moto
Symphony No. 1 in D Minor, Op. 75: III. Allegretto
Symphony No. 3 in A Minor, Op. 56, "Scottish": IV. Allegro vivacissimo - Allegro maestoso assai
Symphony in D Minor: III. Allegro non troppo
Symphony No. 2 in C Major, J. 51: III. Menuetto and Trio
Symphony No. 2 in C Major, Op. 61: III. Adagio espressivo
Slovak State Philharmonic Orchestra, Kosice
Symphony No. 1 in A-Flat Major, Op. 55: III. Adagio
Symphony in C Major: III. Allegro Vivace
Symphony No. 4 in G Major: II. In gemachlicher Bewegung, ohne Hast
Symphony No. 4 in E Minor, Op. 98: III. Allegro giocoso
Symphony No. 1 in E-Flat Major, Op. 28: IV. Finale: Allegro guerriero
Symphony No. 3 in F Major, Op. 153, "Im Walde" (In the Forest): II. Abteilung: In der Dammerung. Traumerei: Largo
Symphony No. 1 in C Minor, WAB 101 (orig. 1866 unrevised Linz version, prep. W. Carragan): III. Scherzo: Schnell
Symphony No. 5 in B-Flat Major, D. 485: I. Allegro
Symphony in B-Flat Major, Op. 20: II. Tres lent - Un peu plus vite - (Tempo I)
Orchestre Symphonique et Lyrique de Nancy
Symphony No. 3 in E-Flat Major, Op. 10: III. Allegro vivace
Symphony No. 1 in D Major: I. Allegro molto
Symphony in E Minor, Op. 7, "Odrodzenie" (Rebirth): III. Vivace - Molto meno mosso - Tempo I
Symphony No. 4 in F Minor, Op. 36: IV. Finale: Allegro con fuoco
Symphony No. 2 in C Minor, WAB 102 (1872 first version, ed. W. Carragan): II. Scherzo: Schnell
Eine Faust-Symphonie in drei Charakterbildern, S108/R425: Final Chorus
Symphony No. 3 in D Minor: V. Lustig im Tempo und keck im Ausdruck
Symphony No. 6 in D Major, Op. 60, B. 112: III. Scherzo: Furiant: Presto
Symphony No. 2 in F Major, Op. 81: II. Scherzo: Allegro vivace
Symphony No. 2 in D Major, Op. 73: IV. Allegretto con spirito
Symphony No. 5 in C-Sharp Minor: IV. Adagietto
Symphony No. 2 in D Minor: II. Scherzo: Allegro scherzando
Symphony No. 2 in B-Flat Major, Op. 52, "Lobgesang" (Hymn of Praise): X. Ihr Volker! bringet her dem Herrn (Chorus)
Symphony No. 2 in E-Flat Major: III. Scherzo: Allegro molto
Symphony No. 1, Op. 96, "An das Vaterland": II. Scherzo: Allegro vivace
Symphony No. 1 in A Major, Op. 79: IV. Finale: Allegro ma non troppo - Allegro molto quasi presto
Symphony No. 3 in C Minor, Op. 78, "Organ": II. Allegro moderato - Presto - Allegro moderato - Presto - Allegro moderato
Symphony No. 1, Op. 26, "Landliche Hochzeit" (Rustic Wedding Symphony): Landliche Hochzeit (Rustic Wedding Symphony), Op. 26: Tanz: Finale
Symphony No. 1 in E Major: IV. Lebhaft, doch nicht zu schnell
Symphony No. 1 in B-Flat Major, Op. 38, "Spring": II. Larghetto
Symphony No. 3 in E Major, Op. 51: III. Scherzo: Vivace
Symphony No. 3 in B-Flat Major: III. Adagio
Symphony No. 1 in C Major, J. 50: IV. Finale: Presto
Symphony No. 4 in E-Flat Major, WAB 104, "Romantic" (1886 version, ed. L. Nowak): III. Scherzo: Bewegt
Symphony No. 2 in B Major, Op. 4: IV. Finale: Allegro con fuoco
Symphony No. 1 in D Minor, Op. 13: II. Allegro animato
Symphony No. 4 in C Major: III. Molto vivace
Symphony No. 3 in D Major, Op. 29, "Polish": V. Finale: Allegro con fuoco
Symphony No. 3 in D Minor, WAB 103: III. Scherzo. Ziemlich schnell
The Essential Royal Scottish National Orchestra
Symphony No. 5 in B-Flat Major, WAB 105: II. Adagio
A Guided Tour of the Romantic Era, Vol. 9
Symphony No. 6 in A Major, WAB 106: I. Maestoso (ed. R. Haas)
Symphony No. 7 in E Major, WAB 107: I. Allegro moderato (original 1885 version, ed. R. Haas)
Symphony No. 8 in C Minor, WAB 108: II. Scherzo: Allegro moderato - Trio: Allegro moderato (original 1887 version, ed. L. Nowak)
Symphony No. 9 in D Minor, WAB 109: III. Adagio: Langsam, feierlich (original 1894 version, ed. L. Nowak)
Symphony No. 6 in A Major, WAB 106: I. Maestoso (Ed. R. Haas)
Symphony No. 7 in E Major, Wab 107: I. Allegro moderato (original 1885 version, ed. R. Haas) [Original 1885 Version, ed. R. Haas]
Symphony No. 8 in C Minor, Wab 108: II. Scherzo. Allegro moderato
Symphony No. 9 in D Minor, WAB 109: III. Adagio: Langsam, feierlich (original 1894 version, ed. L. Nowak) [Original 1894 Version]
Symphony No. 2 in C Minor, WAB 102: II. Scherzo: Schnell (1872 first version, ed. W. Carragan)
Symphony No. 6 in A Major, WAB 106: III. Scherzo: Nicht schnell - Trio: Langsam (ed. R. Haas)
Ovation, Vol. 2: Music of Archer, Morawetz, Papineau-Couture, Forsyth and Schafer