Assertion: circle's side | /r/CapableOf | stand as the world record
Facets:
value: for about 180 years
type: TEMPORAL
Source sentences:
text: The Persian astronomer Jamshīd al-Kāshī produced 9 sexagesimal digits, roughly the equivalent of 16 decimal digits, in 1424 using a polygon with 3×228 sides, which stood as the world record for about 180 years.