Sources
Read the source page before you repeat the rule
Copy the change in the page's words, then write what the page does not claim.

Hacker News Front published this account (2026-09-08): Article discusses the Navier–Stokes Millennium Prize Problem, published by OpenAI, generating significant Hacker News discussion.
This guide uses that public page as the example. This site did not run the test, close the deal, or measure the product.
Write only what the page says
The page's claim is: Article discusses the Navier–Stokes Millennium Prize Problem, published by OpenAI, generating significant Hacker News discussion.
Put the URL under that sentence. If a later recap adds a number or a date, keep the original page as the record.
Copy the change in the page's words, then write what the page does not claim.
Do the site's check on this one page. Fill a line only when the page supports it. Where the page is silent, write Not stated.
A finished note names the page, the date, and the limit of the claim. It does not borrow a result from a different story.
Stop at the untested line
Anything you did not open, install, or count stays untested. Leave that line visible.
Source page: On the Navier–Stokes Millennium Prize Problem.