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Recent Articles

Signs Content Was Written by ChatGPT (and Their Limits)
Practical signs that text may be ChatGPT-written, how to check them, and why no single sign or detector score proves aut...

How to Detect AI in PDFs, Docs, Images and Videos
Practical checks for AI-generated PDFs, Word files, images and videos: what tools can do, what provenance data shows, an...

How Accurate Are AI Detectors? What the Evidence Says
What published data shows about AI detector accuracy, false positives and bias, and how to read a detector score respons...

Choosing an AI Detection API: A Developer's Checklist
How to evaluate an AI detection API for your SaaS or platform: accuracy data, limits, response format, pricing, privacy ...

AI vs Human Writing: Can You Really Tell the Difference?
What research says about telling AI text from human writing, why gut feel and detectors both fail, and a fair way to che...

How to Detect AI-Written Resumes and Job Applications
A fair, practical guide for recruiters: what AI use in applications really signals, why detectors fall short on resumes,...

How Teachers Can Detect ChatGPT in Assignments, Fairly
A practical guide for teachers: why AI detector scores are not proof, what evidence to look for, and how to design assig...

Free AI Detector Tools Compared: Limits and Formats
Free AI detectors compared on facts from each tool's own site: free limits, file formats and sign-up. Disclosure: ProofA...

How to Detect AI-Generated Content in 2026
What actually works for spotting AI-generated content in 2026: detectors, watermarks, provenance data and human review, ...
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