Brendan Clarke (born 17 September 1985) is an Irish football player who plays for League of Ireland First Division club Athlone Town. Club career St Patrick's Athletic Clarke is a goalkeeper and pla
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 0x205cff4ad836200cdf756824164dc30a76a115eba99b241c39bd678d05cd7407. Chain 2 (Bitcoin): anchored in block 954134 (2026-06-17T19:41:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7e4a0347-3f70-4153-ab19-00f451cbf274.json and https://artists.proofprofile.net/proofs/artist/7e4a0347-3f70-4153-ab19-00f451cbf274.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).