TextPulse Blog

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Table comparing APA and MLA rules for how to cite a paper that has no DOI
Academic Writing

What a DOI Is, and How to Cite a Paper That Has None

A DOI is a persistent identifier, not a dressed-up URL, and APA and MLA disagree about what replaces it when a source does not have one. Here is what a DOI actually is, how to check before assuming a source lacks one, and the exact rule each style applies when it is missing.

5 min read
Illustration answering do college admissions check for AI, showing a personal statement next to a signed application declaration
AI Detection

Do College Admissions Check for AI?

Common App calls AI-generated essay content fraud, UCAS requires a declaration and runs its own similarity checks, and Brown allows AI for spelling and grammar only. Here is what admissions offices have actually published, and why a personal statement is judged on voice long before any scanner gets involved.

5 min read
How to prove you didn't use AI: a table of evidence types from version history to search logs and how hard each is to fake
AI Detection

How to Prove You Did Not Use AI

There is no single fact that proves how an essay was written. What exists instead is corroboration: independent, hard-to-fake traces that converge on the same account. Here is what that evidence actually looks like, and what to start doing now if you have not been accused of anything yet.

6 min read