A valid digital signature gives a recipient reason to believe that the message was created by a known sender (authentication), that the sender cannot deny having sent the message (non-repudiation), and that the message was not altered in transit (integrity).
Load index is an assigned number that corresponds with the load-carrying capacity of a tire. Most passenger car tire load indexes range from 75 to 100, but a few carry more. You'll also find the maximum load elsewhere on the tire sidewall, both in lbs and kg.
INFO CENTER Load Index. The load index is an assigned number ranging from 0 to 279 that corresponds with the load-carrying capacity of a tire. Most passenger car tire load indices range from 75 to 105 - although some passenger tires carry more. Installers.