usesVerifiedOct 13, 2026

HackerRank uses Codex

core_product

Status: verified
Sources: 1
Confidence: 85%
Last checked: Oct 24, 2026

Sources

How we verify

Job postingjob-boards.greenhouse.io
“Job posting: Principal Product Manager (Product)”
Archived Oct 24, 2026SHA-256 e4e8fd4bd965timestamp pending

Capture history

Every time we captured the source page

https://job-boards.greenhouse.io/hackerrank/jobs/8242584

Captured	SHA-256	Content
Oct 24, 2026	e4e8fd4bd9657269f850d431559cb06773b6efc04faa5684eb77cc6400c14772	same

Each capture is stored as a WARC file; its SHA-256 goes into a batch manifest whose hash is anchored in the Bitcoin blockchain via OpenTimestamps. What this proves

HAHackerRank uses Codex

Sources

Capture history

HackerRank uses Codex