Case file
Congregation Beth Am
Wikipedia's first sentence called it “reform synagogue in los altos hills”. Today it says “reform jewish congregation and synagogue”. The one-line description Wikipedia serves to search engines and AI systems read “37°23′36″N 122°08′42″W  /  37.393294°N 122.144902°W  / 37.393294; -122.144902”. It now reads “Reform Jewish synagogue in California, US Beth Am logo”.
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 2020 one. Red dashes: removed from Wikipedia since.
Pale dots: rewritten; the numbered note shows what it says now.
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The opening as it read in 2020
37°23′36″N 122°08′42″W  /  37.393294°N 122.144902°W  / 37.393294; -122.144902 Congregation Beth Am ( , "People's House") is a Reform Synagogue in Los Altos Hills, California .1 It is a member of the Union for Reform Judaism . Beth Am has a sister congregation in Poltava, Ukraine , also known as Beth Am. Beth Am has a program aimed at helping emigrant families from the former Soviet Union .
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 918378967.
Today
Wikipedia's first sentence called it “reform synagogue in los altos hills”. Today it says “reform jewish congregation and synagogue”. The one-line description Wikipedia serves to search engines and AI systems read “37°23′36″N 122°08′42″W  /  37.393294°N 122.144902°W  / 37.393294; -122.144902”. It now reads “Reform Jewish synagogue in California, US Beth Am logo”. Read the current article and compare.
| 2015 | 2020 | Oct '23 | 2025 |
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What Wikipedia says this is
Every article opens by defining its subject. This one was redefined since 2015, and today's defining sentence is their current revision.
Then
reform synagogue in los altos hills
Now
reform jewish congregation and synagogue
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.