comparison of two versions of NSA Tor paper published by Washington Post (the first cached by Tor Project)

gistfile1.txt

$ wget http://media.encrypted.cc/files/nsa/ces-summer-2006-tor-paper-28redacted-29.pdf
--2013-10-06 08:35:04--  http://media.encrypted.cc/files/nsa/ces-summer-2006-tor-paper-28redacted-29.pdf
Resolving media.encrypted.cc (media.encrypted.cc)... 92.62.46.23, 2a02:2c8:f000:23::2
Connecting to media.encrypted.cc (media.encrypted.cc)|92.62.46.23|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 315597 (308K) [application/pdf]
Saving to: `ces-summer-2006-tor-paper-28redacted-29.pdf'

100%[==================================================================>] 315,597      232K/s   in 1.3s    

2013-10-06 08:35:06 (232 KB/s) - `ces-summer-2006-tor-paper-28redacted-29.pdf' saved [315597/315597]

$ wget https://s3.amazonaws.com/s3.documentcloud.org/documents/802061/ces-summer-2006-tor-paper-28redacted-29-1.pdf
--2013-10-06 08:35:12--  https://s3.amazonaws.com/s3.documentcloud.org/documents/802061/ces-summer-2006-tor-paper-28redacted-29-1.pdf
Resolving s3.amazonaws.com (s3.amazonaws.com)... 207.171.189.80
Connecting to s3.amazonaws.com (s3.amazonaws.com)|207.171.189.80|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 318031 (311K) [.pdf]
Saving to: `ces-summer-2006-tor-paper-28redacted-29-1.pdf'

100%[==================================================================>] 318,031      455K/s   in 0.7s

2013-10-06 08:35:14 (455 KB/s) - `ces-summer-2006-tor-paper-28redacted-29-1.pdf' saved [318031/318031]

$ ls -l ces-summer-2006-tor-paper-28redacted-29{,-1}.pdf
-rw-rw-r-- 1 pmocek pmocek 318031 Oct  4 14:24 ces-summer-2006-tor-paper-28redacted-29-1.pdf
-rw-rw-r-- 1 pmocek pmocek 315597 Oct  4 13:37 ces-summer-2006-tor-paper-28redacted-29.pdf

$ md5sum ces-summer-2006-tor-paper-28redacted-29{,-1}.pdf
0c886259303380b3b04465f72d1bbe81  ces-summer-2006-tor-paper-28redacted-29.pdf
48297441bc11ca5e13cca7e2955e961e  ces-summer-2006-tor-paper-28redacted-29-1.pdf

$ file ces-summer-2006-tor-paper-28redacted-29{,-1}.pdf
ces-summer-2006-tor-paper-28redacted-29.pdf:   PDF document, version 1.7
ces-summer-2006-tor-paper-28redacted-29-1.pdf: PDF document, version 1.7

$ pdfinfo ces-summer-2006-tor-paper-28redacted-29.pdf
Tagged:         no
Pages:          49
Encrypted:      no
Page size:      612 x 792 pts (letter)
File size:      315597 bytes
Optimized:      yes
PDF version:    1.7

$ pdfinfo ces-summer-2006-tor-paper-28redacted-29-1.pdf
CreationDate:   Fri Oct  4 17:18:01 2013
ModDate:        Fri Oct  4 17:18:01 2013
Tagged:         no
Pages:          49
Encrypted:      no
Page size:      612 x 792 pts (letter)
File size:      318031 bytes
Optimized:      yes
PDF version:    1.7

$ pdftotext ces-summer-2006-tor-paper-28redacted-29.pdf ces-summer-2006-tor-paper-28redacted-29.pdf.txt
$ pdftotext ces-summer-2006-tor-paper-28redacted-29-1.pdf ces-summer-2006-tor-paper-28redacted-29.pdf-1.txt

$ ls -l ces-summer-2006-tor-paper-28redacted-29.pdf.txt ces-summer-2006-tor-paper-28redacted-29.pdf-1.txt
-rw-rw-r-- 1 pmocek pmocek 127852 Oct  6 08:43 ces-summer-2006-tor-paper-28redacted-29.pdf-1.txt
-rw-rw-r-- 1 pmocek pmocek 127901 Oct  6 08:43 ces-summer-2006-tor-paper-28redacted-29.pdf.txt

$ diff -u ces-summer-2006-tor-paper-28redacted-29.pdf.txt ces-summer-2006-tor-paper-28redacted-29.pdf-1.txt
--- ces-summer-2006-tor-paper-28redacted-29.pdf.txt	2013-10-06 08:43:11.485590701 -0700
+++ ces-summer-2006-tor-paper-28redacted-29.pdf-1.txt	2013-10-06 08:43:21.061815993 -0700
@@ -1693,8 +1693,10 @@
 
 (U) Acknowledgments
 
-(U//FOUO) We would like to thank the CES Summer Program for giving us the opportunity to work on this problem. We would also like to the our mentor, Rob Seger, for his
-guidance and help with this problem. Also thanks to the CES Summer Program directors, Tony Costa, Bill Crew, Jeff Klessig, and the other students in the program. Their
+(U//FOUO) We would like to thank the CES Summer Program for giving us the opportunity to work on this problem. We would also like to the our mentor,
+for his
+guidance and help with this problem. Also thanks to the CES Summer Program directors,
+and the other students in the program. Their
 questions and ideas provided us with several ideas for areas of study.
 
 10
$