This is one of my favorite Pumpkins song from their album Machina.
This tab took a while to figure out, since no one tabbed out the solo.

half-step down tuning

  Intro/Verse 4x 1st guitar (clean)
EB|-------------------------------------------------------|                 
BB|-----3---------3-------3--------3----------------------|
GB|-------0---------0------------0------------------------| repeat 2x
DB|--4------4---------4-----------------------------------| go to next part
AB|-------------------------------------------------------|
EB|--------------------------0----------------------------|

EB|------------------------------------------0------------|
BB|-----3------3--------------------3--------0------------|
GB|-------2------2-----2------2-------2-------------------| 
DB|---------0------0--------2-----------0-----------------|
AB|--2--------------------0------2--------0---------------|
EB|-------------------------------------------------------|
  1st chorus Both Guitars (distorted)
      G (320003@1)  Gmaj7 (xx5432@1)  D (xx0232@1)  A (x02220@1)  G (320003@1)  Gmaj7 (xx5432@1)  D (xx0232@1)  A (x02220@1)EB|---3-----2-------2----0----3-----2-------2----0--------|
BB|---0-----3-------3----2----0-----3-------3----2--------|
GB|---0-----0-------2----2----0-----0-------2----2--------|
DB|---0-----0-------0----2----0-----0-------0----2--------|
AB|---2-----0------------0----2-----0------------0--------|
EB|---3-----3-----------------3-----3---------------------|
  
      Em7   D (xx0232@1) A (x02220@1) Em7   D (xx0232@1) A (x02220@1) Em7   D (xx0232@1) A (x02220@1) Em7     
EB|----0----2---0----0----2---0----0----3---0----0--------|
BB|----3----3---2----3----3---2----3----2---2----3--------|
GB|----0----2---2----0----2---2----0----3---2----0--------|
DB|----2----0---2----2----0---2----2----0---2----2--------|
AB|----2--------0----2--------0----2--------0----2--------|
EB|----0-------------0-------------0-------------0--------|

  2nd Chorus Guitar 2 (distorted) after Billy's lines 
EB|-------------------------------------------------------|
BB|--20--19--15-------------------------------------------|
GB|-------------------------------------------------------|
DB|----------------16--15--11-----------------------------|
AB|-------------------------------------------------------|
EB|-------------------------------------------------------|
 riff 1 (play each octave 6 times)
EB|-------------------------------------------------------|
BB|--12--------------11--------------7--------------------|
GB|--x---------------x---------------x--------------------|
DB|--10--------------9---------------5--------------------|
AB|-------------------------------------------------------|
EB|-------------------------------------------------------|

EB|--------------|
BB|--------------|
GB|-15~--15--18~-|
DB|--------------| then riff 1 again
AB|--------------|
EB|--------------|

Solo (distorted) I do not take credit for the solo it was froma friend of mine.
EB|-------------------------------------------------------|
BB|----------------------------21-------------------------|
GB|--/15~--15/18-18-18-20~-20~----20-18----20/22~---------|
DB|-------------------------------------20----------------|
AB|-------------------------------------------------------|
EB|-------------------------------------------------------|
 
EB|--------------------------------|
BB|--------------------------------|
GB|--22/20-----------18-18/20~/15~-|
DB|--------18/20~-18---------------|
AB|--------------------------------|
EB|--------------------------------|

3rd Chorus (Guitar 2 distorted) after Billy's lines

EB|---------------|            EB|---------------------| 
BB|--20~-19~-15~--|            BB|--20~-19~-15~-16~~~--|
GB|---------------|            GB|---------------------|
DB|---------------|            DB|---------------------|
AB|---------------|            AB|---------------------|
EB|---------------|            EB|---------------------|
the end