how much tearing apart of everything and quintuple checking goes on before publishing a result like this? do they stand by the result or is it more of a call f

how much tearing apart of everything and quintuple checking goes on before publishing a result like this? do they stand by the result or is it more of a call for "hey, come have a look at this. we can't explain it." it's got to be anxiety inducing! (and exciting, of course)