Mack Autry Thompson (December 16, 1922 – December 16, 2003) was an American politician, who served in the Arkansas House of Representatives. Thompson married the former Allean Lively on January 13, 1
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 0xafb215d187d68b5a973ff8ee804ad7db2f9384fdeae38d4475e95901412c06c5. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ff552ca4-b498-49d1-ae7f-635859ad7faa.json and https://artists.proofprofile.net/proofs/artist/ff552ca4-b498-49d1-ae7f-635859ad7faa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).