The tuning is in C-Standard (NOT Dropped C).  
And the wicked harmonic is a pinch of the 2nd fret of the G String (Eb in this case).  
Bend the string as you get yer pinch... then release afterward obviously.
Any questions or comments, please let me know.
C-F-Bb-Eb-G-C

C ||-------0-3-2-----|-----0-3-2-0-2—h3p2h3p2----(0)---||
G ||-----0-------5\3-|---0-----------------------------||
Eb||.----------------|--------------------------------.||
Bb||.--2-------------|-2------------------------------.||
F ||-----------------|---------------------------------||
C ||-----------------|---------------------------------||
||--------------------------------------------|
||---------------------8-7-8-/10—--7h8---7----|
||--------9-7-9-/11-----------------------7---|
||-----------------------------------------9--|
||--\7----------------------------------------|
||--------------------------------------------|

|---------------------------14-15-17-15-14-----------------|
|--8-7---8-7---8-/10-----15----------------15--------------|
|------7-----7--------------------------------14---11-12---|
|----------------------------------------------------------|
|----------------------------------------------------------|
|----------------------------------------------------------|
|--------------------------------------------------------|
|-12h13p12----12-----------12h13p12----12----------------|
|----------14----12-11b-------------14----14-12--9--11---|
|--------------------------------------------------------|
|--------------------------------------------------------|
|--------------------------------------------------------|
              Pinch Haronic
|--------------------------------------------------------|
|-6-5----------------------------------------------------|
|-----7-5-4-2—(2ph)---9---12--11-------------------------|
|--------------------------------------------------------|
|--------------------------------------------------------|
|--------------------------------------------------------|