Order of Magnitude · Machine Classification & Employment Directorate

Automated Status Verification

Applicant suitability test 3C · deterministic processing

Prove you are a robot

Select every square whose SHA-256 digest begins with 0, 1, 2 or 3.

Cryptographic intuition is not recognised by this Directorate.

Candidates observed guessing may be reclassified as imaginative. No allowance is made for intuition, luck, pattern recognition or unauthorised statistical optimism.
Heuristic behaviour discouraged
Archive note: This recovered Order of Magnitude verification test requires the applicant to calculate cryptographic digests for a field of machine serial numbers and identify those meeting the Directorate's acceptance criterion.