As a big PNG:

 

Original Illustrator file (which can be imported into Inkscape, although Inkscape wants to change the font, so preferably import it into GIMP):

openhatch-logo.ai

SVG file and Tuffy font 2005 version: openhatch-logo.svg Tuffy-20050130.zip

Sufjan, OpenHatch's mascot

As a big PNG:

 ]

Original file: Currently missing (we have https://github.com/openhatch/oh-bigfiles/blob/master/sufjan.psd?raw=true but it seems to be low-resolution; and https://github.com/openhatch/oh-bigfiles/blob/master/sufjan.ai?raw=true (when I import it into GIMP or Inkscape) curiously seems to be a PDF, and seems to only contain something like the bottom corner of the image).

Another version of the OpenHatch logo that we use a lot

 

Original Illustrator file: Currently missing.