Mr NiceBFI Explore: Mr Nice Retrieved 2013-04-13 (US title Mr. Nice) is a 2010 crime drama film written and directed by Bernard Rose, Mr Nice is in part a biopic, a loose film adaptation of Mr Nice, t
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 0x7bd206977d7108d7fc82f5a27ccd2b6494354574cf1a5e36786715ee972b3362. Chain 2 (Bitcoin): anchored in block 954063 (2026-06-17T07:49:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/46bc8910-da36-44cc-9b4a-3104c47eb41f.json and https://artists.proofprofile.net/proofs/artist/46bc8910-da36-44cc-9b4a-3104c47eb41f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).