What is this page?

Question

Browsers

I decided to shorten one link (to an article on Giktimes) using a link shortener, I got this:
https://clck.ru/EstSe I
manually entered it into the address bar, but accidentally entered "C" instead of "S". The page opened:
https://toloka.crypta.yandex.ru/code?taskId=000030f1a9--5c121fddaf4325012bcb4323
It became interesting, what is it?

Answer 1

This is a number