Aziz Nesin (; born Mehmet Nusret, 20 December 1915 – 6 July 1995) was a Turkish writer, humorist and the author of more than 100 books. Born in a time when Turks did not have official surnames, he had
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 0xf0922ee3f6573f9de3abfbe2db2313c98c39d88d46b84decca6b680fe06a156b. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8c88e322-d4b7-48d0-a7ed-78e131c0be46.json and https://artists.proofprofile.net/proofs/artist/8c88e322-d4b7-48d0-a7ed-78e131c0be46.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).