Saif Ali (born 27 October 1997) is a Pakistani cricketer. He made his first-class debut for National Bank of Pakistan in the 2017–18 Quaid-e-Azam Trophy on 26 September 2017. Prior to his first-class
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8f3b9dbf825ea21ea8d1ced0134a92c213304221e16fc77f7d45dee264d1c44. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4363f637-63b4-41b0-8cd3-e16fdd3c46a9.json and https://artists.proofprofile.net/proofs/artist/4363f637-63b4-41b0-8cd3-e16fdd3c46a9.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.