It is proven! I am flex_lm on Keybase: https://keybase.io/flex_lm/sigchain#fa9aa547bf4624a3c85e848bf4927a1f52312188f99a2887d1283f69db2ddb680f
Here's a lovely local bit of steampunk tech come to save the day, from 1852:
"Because of the 911 outages, a resident ran outside and pulled the fire box on the sidewalk.
“I give credit to the resident for knowing to pull that box,” Firefighter Marc Sanders said.
The box system dates back to 1852. Sanders says the boxes are independent from any utility company and run off a low voltage battery system."