Detailed description of the computer is published in Russian "Radio" Magazine, No. 1-6, 2021. It is 100% open hardware project!
For the subscription issues, please contact the Publishing House, the website of the magazine is www.radio.ru.
If you need any additional info in English, please emai requesrl to email@example.com, subject CRISS.
Some technical info can be downloaded at project page at hackaday.com, don't forget to like the project while downloading is in the progress!