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 0xbd12a5ce640f6b310cb3926bc6bf655476cf241e46450818acfb86de3048f907. Chain 2 (Bitcoin): anchored in block 953758 (2026-06-15T07:48:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b36ad45a-1347-4802-ac18-4906526e2933.json and https://artists.proofprofile.net/proofs/artist/b36ad45a-1347-4802-ac18-4906526e2933.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rainbow Road (from "Mario Kart: Double Dash!!")
Unwavering Emotions (from "Pokémon: Black Version" and "Pokémon: White Version")
Welcome to The Salty Splatoon (Music from "Splatoon 2")
At This Very Moment or At No Point in the Future
Welcome to the Saltier Splatoon (Music from "Splatoon 2")
Crossing the Fine Line (Music from "Animal Crossing: New Leaf")
Living with Determination (from "Persona 3") - All Stars
Tidal Rush (from "Splatoon 2") - All Stars
A Corner of Memories (from "Persona 4") - All Stars
Welcome Horizons (Music from "Animal Crossing: New Horizons")
Between Heaven and Earth ("Fire Emblem: Three Houses")
Road to Ruin: March (Rain) - Blue Version