thumb|The game is played with a dictionary. Fictionary, also known as the Dictionary GameLearning, volume 7, Springhouse Corporation (1978) p. 102. Google books link. or simply Dictionary,Tony Augarde
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 0xf2b614350f2bbe987418e69b1f040f4daebac1ffe673c7fe201545aff2475044. Chain 2 (Bitcoin): anchored in block 954008 (2026-06-16T21:31:27Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/335900af-9c20-4e16-885f-50bb4a7409eb.json and https://artists.proofprofile.net/proofs/artist/335900af-9c20-4e16-885f-50bb4a7409eb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).