Wow, such harshness arises from simple questions.
Questions, that have been asked, and answered many times, in the same way..
The fact is, the only person that could say(possibly), would be the grower that produced the weed that you found the seed in.
And that's saying he didn't just throw some random bagseed into the dirt and grow it/them out.
And if you are nowhere near the source(ie: the grower) like, say someone grew it, they sold it, those folks sold it, and then the guy you got it from, then you could never find out.
Just being happy with ones own results should be well enough.