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Case file

Siyah mashq

Wikipedia's first sentence called it “calligraphic practice sheet includes a number of diagonal words and letters used in combinations facing upwards”. Today it says “calligraphic practice sheets often covered completely with writing”. The one-line description Wikipedia serves to search engines and AI systems read “This calligraphic fragment, created in the 16th or 17th century, recalls a number of Safavid exercises”. It now reads “Calligraphic practice sheets”.
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. 1 tap a number or a side note to jump between them
The opening as it read in 2020

This calligraphic fragment, created in the 16th or 17th century, recalls a number of Safavid exercises Siyah mashq (Persian: سیاه مشق), lit.1 "black practice," are calligraphic practice sheets often covered completely with writing. They may include a number of diagonal words and letters used in combinations facing upwards and downwards on the folio. Siyah mashq was originally just a practice for the calligrapher to warm up his hand and to refine the shape of letters by repeating them over and over. These practices resulted in a page filled with words and letters. When calligraphers realised how stunning some of these pieces where it was turned into a style of its own.2 Words and letters are repeated regardless of meaning, all for the sake of composition and style. As an established genre , practice sheets abide to certain rules of formal compositions , largely guided by rhythm and repetition. Although siyah mashq sheets survive from ca. 1600, they seem to have been a particularly popular genre during the second half of the 19th century, i.e., during the artistic revival spearheaded by the Qajar ruler Nasir al-Din Shah , who reigned from 1848 to 1896. The Library of Congress .

This is Wikipedia's own text, saved in our repository. Their copy of it is revision 890192242.
Today
Wikipedia's first sentence called it “calligraphic practice sheet includes a number of diagonal words and letters used in combinations facing upwards”. Today it says “calligraphic practice sheets often covered completely with writing”. The one-line description Wikipedia serves to search engines and AI systems read “This calligraphic fragment, created in the 16th or 17th century, recalls a number of Safavid exercises”. It now reads “Calligraphic practice sheets”. Read the current article and compare.
201020152020Oct '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 2010, and today's defining sentence is their current revision.

Then

calligraphic practice sheet includes a number of diagonal words and letters used in combinations facing upwards

Now

calligraphic practice sheets often covered completely with writing

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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