how to pub sumthing so no one ca copy right it

Assuming you are in the United States, a work is copyrighted simply in the act of creation.

You could, of course, just ask the actual copyright office.

https://www.copyright.gov/help/faq/index.html

When is my work protected?

"Your work is under copyright protection the moment it is created and fixed in a tangible form that it is perceptible either directly or with the aid of a machine or device."
 
Assuming you are in the United States, a work is copyrighted simply in the act of creation.

You could, of course, just ask the actual copyright office.

https://www.copyright.gov/help/faq/index.html

When is my work protected?

"Your work is under copyright protection the moment it is created and fixed in a tangible form that it is perceptible either directly or with the aid of a machine or device."
in the act of creation ?... TY I will look in to it. :)