ZarankiewiczDB,

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z(23,26) = 125

By deleting 8 rows and 5 columns from the finite projective plane of order 5.

lower bound = 125, submitted on April 28th, 2016 (link)

Searching for matrices of weight greater than 125, all scaffolds were eliminated without search.

upper bound = 125, submitted by Andrew Kay on April 27th, 2016 (link)

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