Derya is a Turkish unisex given name. It is also used as a surname. The word is derived from the Persian دریا ("Daryā"), meaning sea. In Old Persian it was pronounced 𐎭𐎼𐎹 (drayah-). Given name Der
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 0x2b998bb598994c7de0e03561547685ddfdcf9c874721d2b0e37aa884c9458330. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fbf83e70-648f-4bfd-8475-0292ed6e75d3.json and https://artists.proofprofile.net/proofs/artist/fbf83e70-648f-4bfd-8475-0292ed6e75d3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).