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 0x36b95b08a2743eb8d249c92a819b56a7e3688ec4d44d8ed76bca7625530d5262. 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/cbc6fc2a-55fe-4f74-8790-719189b8072c.json and https://artists.proofprofile.net/proofs/artist/cbc6fc2a-55fe-4f74-8790-719189b8072c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Man With The Machine Gun (From "Final Fantasy VIII")
The Opened Way (From "Shadow of the Colossus")
The Beast of Braildorn (From "Alex Roe")
Surtr (From "Hellblade: Senua's Sacrifice")
Bridge (From "Hellblade: Senua's Sacrifice")
Meadow (From "Hellblade: Senua's Sacrifice")
Volcano (From "Hellblade: Senua's Sacrifice")
Hela (From "Hellblade: Senua's Sacrifice")
Lady Maria of Astral Clocktower (From "Bloodborne")
Sister Friede and Father Ariandel (From "Dark Souls III")
Dumbledore's Farewell (From "Harry Potter and the Half-Blood Prince")
Emma, The Gentle Blade (From "Sekiro: Shadows Die Twice")
One Who Craves Souls (From "Demon's Souls")
Voltaic Black Knight (From "Devil May Cry 5")
Deep Stone Lullaby (From "Destiny 2: Beyond Light")
Replicate (From "Destiny 2: Beyond Light")
Apex Legends: Main Theme (Cover Version)
Old Friends (Hummed) [From "Transistor"]
Gwyn, Lord of Cinder (From "Dark Souls")
Sinh, The Slumbering Dragon (From "Dark Souls II")
Vordt of the Boreal Valley (From "Dark Souls III")
Gentle Blade (From "Sekiro: Shadows Die Twice")
Ornstein & Smough (From "Dark Souls") - Music Box Version
Great Grey Wolf Sif (From "Dark Souls") - Music Box Version
Gwyn, Lord of Cinder (From "Dark Souls") - Music Box Version