Since you just picked it and it's already red, I think it's more likely due to the earlier hot temperatures causing incomplete pollination. It managed to hold onto the blossom and not drop it as often happens when it's too hot to set fruit, but only a few pollen managed to remain viable and fertilize. The scars could be "zippering" due to clumping pollen dragging on the surface of the ovary.
The plant may also have suffered from insufficient irrigation?
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