Keoni is a village in Asoha block of Unnao district, Uttar Pradesh, India. It is not located on major district roads and has one primary school and no healthcare facilities. As of 2011, its population
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 0x750e93b1d364702c2c56a6cc76cc66df303aefc5c494bdf6b227c6386e302ec3. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c33fa3f4-26ea-4e4a-9ad9-7e757c9dcd08.json and https://artists.proofprofile.net/proofs/artist/c33fa3f4-26ea-4e4a-9ad9-7e757c9dcd08.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).