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 0x74cc1c300735e2cef89886fdab33616d5509f094ea8b227d2f86c1760c901b7f. 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/fbc352ea-e8ee-47a2-8201-cc092cd736ec.json and https://artists.proofprofile.net/proofs/artist/fbc352ea-e8ee-47a2-8201-cc092cd736ec.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Piotr Ilyich Tchaikovsky - Maestros del Milenio
Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito
Piano Concerto No. 1 in B-Flat Minor, Op. 23: II. Andantino semplice - Prestissimo
Piano Concerto No. 1 in B-Flat Minor, Op. 23: III. Allegro con fuoco
The Nutcracker Suite, Op. 71a: I. Miniature overture
The Nutcracker Suite, Op. 71a: II. March
The Nutcracker Suite, Op. 71a: III. Dance of the sugarplum fairy
The Nutcracker Suite, Op. 71a: IV. Russian dance - Trepak
The Nutcracker Suite, Op. 71a: V. Arabian dance
The Nutcracker Suite, Op. 71a: VI. Chinese dance
The Nutcracker Suite, Op. 71a: VI. Dance of the mirlitons
The Nutcracker Suite, Op. 71a: VIII. Waltz of the flowers
Swan Lake Suite, Op. 20: III. Danse des cygnes
Ludwig Van Beethoven - Symphonien No. 1, No. 3
Symphony No. 1, Op. 21: I. Adagio molto - Allegro con brio
Symphony No. 1, Op. 21: II. Andante cantabile con moto
Symphony No. 1, Op. 21: III. Menuetto. Allegro molto e vivace
Symphony No. 1, Op. 21: IV. Finale. Adagio - Allegro molto e vivace
Symphony No. 3, Op. 55: I. Allegro con brio
Symphony No. 3, Op. 55: II. Marcia funebre. Adagio assai
Symphony No. 3, Op. 55: III. Scherzo. Allegro vivace - Trio
Symphony No. 3, Op. 55: IV. Finale. Allegro molto
Top 200 Classics – the Very Best of Classical Music
Light Cavalry (Leichte Kavallerie): Overture
Ballet Suite from "The Nutcracker" Op. 71a - Dance of the Sugar-Plum Fairy
Ballet Suite from The Nutcracker Op. 71a: Waltz of the Flowers
Ballet Suite from The Nutcracker Op. 71a: Trepak (Russian Dance)
Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
The Greatest Classical Collection Ever: 222 All Time Favorite Classics
Flute Concerto No. 3 in D Major, RV 428 "Il Gardellino": II. Cantabile