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 0xc267e4dd225bc2e0395c5dc0c7046ddfcebaf71e5f46d89416654a72e238f39c. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7b0f6829-f95a-42ea-b44d-54596c2e0a7b.json and https://artists.proofprofile.net/proofs/artist/7b0f6829-f95a-42ea-b44d-54596c2e0a7b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
World of Warcraft: Warlords of Draenor Original Game Soundtrack
Main Theme (From "Call of Duty - Modern Warfare III")
Malach, the Angel Messenger (From "World of Warcraft")
Main Theme (From "Shadow of the Colossus")
Gaming Legacy Medley (From "Mute City", "Doom", "Castlevania", "Sonic the Hedgehog", "Street Fighter II", "Super Mario Bros.")
One Winged Angel (From "Final Fantasy VII")
The Canterville Ghost (Original Motion Picture Soundtrack)
Pumpkin Prangsters - A Ghost That Can’t Haunt
The Grand Banquet - Wonder of the Modern World
Farewell - For Peace Has Come to Canterville
Ooops!2: Two by Two Overboard (Original Motion Picture Soundtrack)
Delightful Jelly - Seasick - Stormy Weather
The Celtic Link: Themes From "The Legend of Zelda" (Eimear Noone Presents) [feat. The DIT Irish Traditional Music Ensemble]
The DIT Irish Traditional Music Ensemble
Colder (feat. Denise Briese & Kevan Torfeh)
Jig Phadraic (feat. Michael Lang & Eric Rigler)