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How is the p-adic norm calculated when using UNIVERSAL WITT VECTORS?

Is the p-adic norm calculated in the familiar way, in the sense that we look to the last digit to the right, and the prime number p associated with that last digit: norm = p to the negative-n?

Or is a more elaborate procedure required, reflecting that we're using universal rather than p-typical p-adic numbers?

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    $\begingroup$ Please add at least one major tag (starting with two letters and a dot). $\endgroup$ – Sebastian Goette Nov 20 '15 at 14:19
  • $\begingroup$ OK. The tag nt.number-theory has been added. $\endgroup$ – Robert Paster Nov 23 '15 at 15:06

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