Rehana may refer to: Rehana (actress), Indian and Pakistani film actress Sheikh Rehana, Bangladeshi politician Rehana, Haripur, a village and union council in Pakistan Reyhaneh or Rehāna, a villag
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 0x4b6cb89709768cce872604657ff59d3dbd521fa7560079e8f295aaf7b9a04bf3. Chain 2 (Bitcoin): anchored in block 953641 (2026-06-14T13:54:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3d016fc5-ca62-445f-ab19-def86c4beb68.json and https://artists.proofprofile.net/proofs/artist/3d016fc5-ca62-445f-ab19-def86c4beb68.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).