thumb|right|300px| Mauretanian cavalry under Lusius Quietus fighting in the Dacian Wars, from the Column of Trajan Mauri (from which derives the English term "Moors") was the Latin designation for the
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 0x0b517a4d7943e6d915b6b856bb16da813befc1f4824bf5ef7d4ab34afd18b482. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1456a96d-8dbf-438c-81db-ac2631f988c7.json and https://artists.proofprofile.net/proofs/artist/1456a96d-8dbf-438c-81db-ac2631f988c7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).