Frimpong is an Ashanti surname. Notable people with the surname include: Abraham Frimpong (born 1993), Ghanaian footballer Emmanuel Frimpong (born 1992), Ghanaian footballer Eric Asamoah-Frimpong
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 0x37bfc36034c617e8fa57470493a850d5d808f282afc41054c259316c33a9235c. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a06bfde6-c499-4acd-b860-8fe31baaa9a2.json and https://artists.proofprofile.net/proofs/artist/a06bfde6-c499-4acd-b860-8fe31baaa9a2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).