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 0xbf78c1f0d92e733de74b73ce48d7f443a8df51796b8f23da374c3268a0b37f6e. 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/233b88ef-b5be-4f9b-b843-3c3e4ef942fe.json and https://artists.proofprofile.net/proofs/artist/233b88ef-b5be-4f9b-b843-3c3e4ef942fe.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Warrior Rush (Original Videogame Soundtrack)
Infinity Curve (Original Game Soundtrack)
MovieStarPlanet2 (Original Game Soundtrack)
BlockStarPlanet: Composer's Choice (Original Soundtrack)
Army of Ruin (Original Videogame Soundtrack)
Farm Together 2 (Original Game Soundtrack)