Nurcan is a Turkish feminine given name. Notable people with the name include: Given name Nurcan Baysal (born 1975), Turkish journalist Nurcan Çarkçı, Turkish boxer Nurcan Çelik (1980–2026), Turkish
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 0xbb57b879221aa4f5621d59539057b941148324f127a302beb0cd58b74b7f3ab9. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/502263aa-a9da-440b-adad-5337c0f63f5d.json and https://artists.proofprofile.net/proofs/artist/502263aa-a9da-440b-adad-5337c0f63f5d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).