USAGE:
  sediment evidence fetch [-h] --references PATH --output PATH SESSION

  write exact selected parts to a private local packet

ARGUMENTS:
  SESSION            source Session ID

OPTIONS:
  -h, --help         show this help message and exit
  --references PATH  version 1 selection JSON (64 KiB; 1–32 distinct references)
  --output PATH      packet destination (0600; must not exist)
