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Was this written with Bylinewise?

Bylinewise keeps a hash of every sentence its model writes, never the text itself. Paste a text to see how many of its sentences the model wrote, or give the hash of an article. The check never says whose text it is.

We don't store what you paste.

Case, typographic quotes and dashes, and spacing do not matter; a sentence the author rewrote does not match. Apps check a text with POST /v1/verify, no key needed.

What a match means

The sentence appears in a draft Bylinewise's model gave a writer on that date.

What it doesn't mean

It's not a verdict on quality, truth or honesty, and not a detector of AI writing.

Why we offer this

Writers who use Bylinewise can disclose it. This page lets readers confirm.