Emmanuel Gyamfi (born 16 December 1994) is a Ghanaian footballer who plays as a winger for Asante Kotoko and Ghana. Club career Gyamfi started his career Wa All Stars. In 2014, Gyamfi signed for Arme
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 0xe14ef04dc6c826f8bfd6a2e4e5764132863059208e214f0ebce0a78ba596f16e. Chain 2 (Bitcoin): anchored in block 954069 (2026-06-17T08:30:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7a2540e9-3c8d-49bb-9bd0-f8cb80337830.json and https://artists.proofprofile.net/proofs/artist/7a2540e9-3c8d-49bb-9bd0-f8cb80337830.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).