Zeeshan, Zishan, Zeshaan or Zeshan (, ; ) is an Arabic given name, simply translated as "princely". This word is also used in Persian, Urdu and sometimes in Turkish poetry as an adjective. Variant f
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 0x86d243da9e7a1af29cb4167de01b49d4527a9956df77e316a5093318cb361a66. Chain 2 (Bitcoin): anchored in block 953885 (2026-06-16T04:12:47Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0bb678a2-6737-46bc-b314-19a3c65da66e.json and https://artists.proofprofile.net/proofs/artist/0bb678a2-6737-46bc-b314-19a3c65da66e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).