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 0x0924742a3d1ebf08b199fb088e6d9db384d69e1ca3a55422612f34b6bb4f9575. 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/50eac3b9-a70f-4448-a9f8-8738649fc7a4.json and https://artists.proofprofile.net/proofs/artist/50eac3b9-a70f-4448-a9f8-8738649fc7a4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Long Way (Anime Anti-Hero) [Guts, Eren Yeager, Ken Kaneki, Sasuke]
Long Way (Anime Anti-Hero) - Guts, Eren Yeager, Ken Kaneki, Sasuke