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 0x0721e06e515356ea684f083f4cf2caca9d49bc07bd5cf1cec3f5b0849c16a1a3. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0a73e1d1-9582-443e-a742-e21410e07698.json and https://artists.proofprofile.net/proofs/artist/0a73e1d1-9582-443e-a742-e21410e07698.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Beats to Relax on the Cruise to (One Piece Lofi)
Your Battle is My Battle (Jujutsu Kaisen Lofi)
Jonathan (Jojo's Bizarre Adventure Lofi)
Bloody Stream (Jojo's Bizarre Adventure Lofi)
I'm Becoming the Pirate King (One Piece Lofi)