Semih Saygıner (born 12 November 1964), nicknamed Mr. Magic or The Turkish Prince, is a Turkish world champion professional carom billiards player specialized in three-cushion event. Family life Semi
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 0xd2415753a4126f811cd4ab215d41f5f5cbd5ce6ae6e80d6dd8bc646b62966d53. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0f5c2de7-2325-47f5-bf22-e89c89e939d9.json and https://artists.proofprofile.net/proofs/artist/0f5c2de7-2325-47f5-bf22-e89c89e939d9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).