Munawar Hussain (13 August 1914 – 26 March 2003) was a Pakistani cricket umpire. Born in Lahore, he stood in five Test matches between 1959 and 1969. The first Test in Karachi (October 24 - 27, 1969
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 0x7faa198d6e5b0f2f0a9622cd302499438e50afad5a14e583e21989804a1927fd. 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/42225ec6-ab9e-49ae-bdf7-1541ffcf2086.json and https://artists.proofprofile.net/proofs/artist/42225ec6-ab9e-49ae-bdf7-1541ffcf2086.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).