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Case file

Sahih Muslim

Wikipedia's first sentence called it “a 9th-century hadith collection and a book of sunnah compiled by the persian scholar muslim ibn al-ḥajjāj”. Today it says “second hadith collection of the six books of sunni islam”. The one-line description Wikipedia serves to search engines and AI systems read “9th-century book by Muslim ibn al-Hajjaj”. It now reads “9th-century collection of Islamic hadith”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the 2005 one. Red dashes: removed from Wikipedia since. Pale dots: rewritten; the numbered note shows what it says now. 1 tap a number or a side note to jump between them
The opening as it read in 2005

After " Sahi Bukhari ", this is the most authentic hadith collection in the sunni perspective. Its is collected by Imam Muslim and is the second of two collections that sunnis view as all authentic.1

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 17158541.
Today
Wikipedia's first sentence called it “a 9th-century hadith collection and a book of sunnah compiled by the persian scholar muslim ibn al-ḥajjāj”. Today it says “second hadith collection of the six books of sunni islam”. The one-line description Wikipedia serves to search engines and AI systems read “9th-century book by Muslim ibn al-Hajjaj”. It now reads “9th-century collection of Islamic hadith”. Read the current article and compare.
2005201020152020Oct '232025
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.

What Wikipedia says this is

Every article opens by defining its subject. This one was redefined since October 7, and today's defining sentence is their current revision.

Then

a 9th-century hadith collection and a book of sunnah compiled by the persian scholar muslim ibn al-ḥajjāj

Now

second hadith collection of the six books of sunni islam

Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.

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