Kuldeep Yadav (born 14 December 1994) is an Indian international cricketer. A left-arm unorthodox spinner, he plays for Uttar Pradesh in domestic cricket and Delhi Capitals in the Indian Premier Leagu
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 0x080f23431b34d0d6f81c9834e97404bb4e14d57f91cc1842474801b3f1778b89. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a7904171-be57-4133-9c16-992c0beff84e.json and https://artists.proofprofile.net/proofs/artist/a7904171-be57-4133-9c16-992c0beff84e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).