Joshua Joel Ayobami Nichols (born 26 July 2006) is an English professional footballer who plays as a defender for Premier League club Arsenal. Career A right-back, he had trials at Chelsea, Tottenham
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 0x7d36f897fe7d5b53af9da681ceec9d9cafe64ce5b34b84c99290f0f6001d3280. Chain 2 (Bitcoin): anchored in block 953596 (2026-06-14T06:21:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/09ba5093-8f6e-44cd-8705-32a93145085c.json and https://artists.proofprofile.net/proofs/artist/09ba5093-8f6e-44cd-8705-32a93145085c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).