Jumio is an online mobile payment and identity verification company that offers card and ID scanning and validation products for mobile and web transactions. They sell these products under the brand n
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 0x28230974f0d2b1bece284e6d9eeac818b3fd51e6941cc69dd5ccac56a57821b8. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/725b97fd-d621-4b65-bc01-af3e8d5910f7.json and https://artists.proofprofile.net/proofs/artist/725b97fd-d621-4b65-bc01-af3e8d5910f7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).