It is still in the box with its mother and siblings. I am pretty sure it is not alive, it hasn't moved since it's birth. But when I put a fingertip to its chest I swear I can feel a heartbeat. I don't want to give up on it and put it with its dead sibling because I don't want to give up on the hope that it might wake up and be OK. Could it be alright or am I wishing too hard? What do I do? :(

A newborn kitten would move around quite a bit I think.

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Hi, my name is-
You won't remember...
S » G

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Leave it alone.

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VET NOW!!@#rJ

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I can't get a vet right now, I am in the middle of nowhere and everyone else in my family is asleep. I don't want to give up on it, but I don't want to leave a dead kitten with it's siblings and mom all night.

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If the kitten really IS dead, the mother cat will probably have eaten it, by morning.
This is disgusting, but true.
If there's really NO way of getting the kitten to the vet before tomorrow, I suggest just leaving him with the mother cat and his siblings.
If he's alive, this will help him.
If he's dead, it won't affect the others, in any way.

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When In Doubt,
Pull It Out!