# Show HN: Alethecs – fact-checks a claim and shows its own reasoning gaps > Source: > Published: 2026-09-08 11:07:13+00:00 CASE OPENINVESTIGATE - CONNECT - CHALLENGE - EXPLAIN - ACT # DON'T TRUST IT. INVESTIGATE IT. Hand Alethecs a claim, source, document, or problem. It follows the evidence, tries to disprove its own conclusion, and shows you every receipt. Clear, honest answers Evidence graph Skeptic check Evidence board - exhibit A SOURCE WHAT THEY SAID STUDY EVIDENCE THE ANSWER WHAT TO DO Answer, backed by real evidence ## How it works Method Alethecs breaks a claim down into its sources, its evidence, and its contradictions, so you can see how the answer was reached instead of just being told to trust it. 01 ### Investigate Ingest a URL, document, message, or problem as an untrusted case. 02 ### Connect Extract claims, map sources, and build an interactive evidence graph. 03 ### Challenge A skeptic pass actively tries to disprove the current conclusion. 04 ### Explain Every claim ships with receipts - the chain of evidence behind each answer. 05 ### Act Draft a response, generate a report, or monitor the source for new evidence.