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 0x146c9bd31676b7735a6ce74519b2e5656aab54cfb82ac0eddb3daf83c57606be. 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/f2641ab5-8517-4bf8-b2a0-8b0dc4cec8e6.json and https://artists.proofprofile.net/proofs/artist/f2641ab5-8517-4bf8-b2a0-8b0dc4cec8e6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rimsky-Korsakov: Russian Easter Festival, Capriccio Espagnol - Mussorgsky: Night on Bald Mountain, Pictures at an Exhibition
Russian Easter Festival, Op. 36: Overture
Pictures At An Exhibition: III. Promenade
Pictures At An Exhibition: IV. Il vecchio castello
Pictures At An Exhibition: VI. Tuileries
Pictures At An Exhibition: VIII. Promenade
Pictures At An Exhibition: IX. Ballet des poussins dans leurs coques
Pictures At An Exhibition: X. Samuel Goldenberg und Schmuyle
Pictures At An Exhibition: XI. Limoges - le marche
Pictures At An Exhibition: XII. Catacombae
Pictures At An Exhibition: XIII. Cum mortuis in lingua mortua
Pictures At An Exhibition: XIV. La cabane sure des pattes de poule
Pictures At An Exhibition: XV. La grande porte de Kiev
Top 200 Classics – the Very Best of Classical Music
A Midsummer Night's Dream: Wedding March
Symphony No. 9 in D Minor, Op. 125 "Choral": IV. Presto - Allegro assai - Chorale Finale (Ode To Joy)
The Greatest Classical Collection Ever: 222 All Time Favorite Classics
Peer Gynt Suite No. 1 Op. 46: In the Hall of the Mountain King
Suite for Orchestra No. 3 in D Major BWV 1068: Air
Symphony No. 9 In D Minor Op. 125 Choral (Ode To Joy) / Part I & Part Ii
Soloists And Choir Of The Bratislava State Opera
Ballet Suite from "The Nutcracker" Op. 71a - Dance of the Sugar-Plum Fairy
Peer Gynt Suite No. 1 Op. 46: Morning Mood
The Thieving Magpie (La Gazza Ladra): Overture
The Tale of Tsar Saltan, Flight of the Bumble-Bee
Samson et Dalila - Mon coeur s'ouvre à ta voix
Peer Gynt Suite No. 1 Op. 46 - Anitra's Dance
Peer Gynt Suite No. 1, Op. 46: I. Morning Mood