David Ariu Christopher, also known as Kariamakin Airu Christopher (died 26 February 2022) was a politician of Banaban descent, who has held office in two countries — Fiji and Kiribati. Christopher wa
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f79faa21a921d413eddbb7c488b5eea05f9731b84a4539e035da311b76e59be. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9d3b24a3-02f2-4489-bbf4-597ba0afa579.json and https://artists.proofprofile.net/proofs/artist/9d3b24a3-02f2-4489-bbf4-597ba0afa579.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).