Eugene Roy Rogers (February 17, 1924 – December 30, 2017) was an American competition swimmer who represented the United States at the 1948 Summer Olympics in London.Sports-Reference.com, Olympic Spor
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 0x437e19475351069c0362cb3d16cb1aa79bb57ffd2511971523e7d99ec4739340. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/73b55444-1e6b-435c-a570-cbc986cb1456.json and https://artists.proofprofile.net/proofs/artist/73b55444-1e6b-435c-a570-cbc986cb1456.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).