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.
Maximum load ratings denoted in pounds or kilograms are also included on the sidewall of the tires. Current load indexes used for cars and light-duty trucks range from 70 to 110, or 761 to 2337 pounds, respectively. The higher the load index number, the greater the tire's load carrying capacity:71 = 761 pounds or 345 kilograms