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 0x524a9a8a7b4335e292ce616c284c53948c6d5f5ccc8ea614c4f5273d99bcff2d. Chain 2 (Bitcoin): anchored in block 953602 (2026-06-14T06:58:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0fadb53e-c6e7-4cab-a2f8-d039573b70cd.json and https://artists.proofprofile.net/proofs/artist/0fadb53e-c6e7-4cab-a2f8-d039573b70cd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
SQUARE ONE - Remixes Mega-Mix Mixed by Tachytelic
So Mama I'd Love To Catch Up, OK? - Norihito Ogawa Remix
Never Needed You - Kentaro Takizawa Remix
She's So (Outta Control) - Boys Get Hurt 'Always Summer' Remix