Mark Lilley (born 12 October 1987) is an English Rugby Union player who plays for London Scottish on loan from Bristol in the RFU Championship. He made his debut for his former club Bath Rugby off the
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 0x776a40c60c7837ee4c39d7dd1d6f7bcfec2ee390c5736f35552b1af90152d831. Chain 2 (Bitcoin): anchored in block 954615 (2026-06-20T22:44:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c576180c-66a3-40a9-9101-3ba492675c76.json and https://artists.proofprofile.net/proofs/artist/c576180c-66a3-40a9-9101-3ba492675c76.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).