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(Photo from http://content-usa.cricinfo.com/indvaus2008/content/current/player/28114.html) Dravid's dismal form continues in test crick...
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I've been reading up on Fast Fourier Transform (FFT) from several books on algorithms that I have, TCLR, Tamassia, Sahni, Numerical Rec...
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The book is almost out there . There is code and selected solutions as well. The book is supposed to be in full colour from what I heard....
2 comments:
Someone's public key? :)
Welcome back pal - become Blog Ballu from Busy Ballu :D
Good Guess,
The correct answer is -- a timestamp. The idea of using a timestamp published is to use it in documents to date them.
The company advertises the timestamp to freeze it. Below is a quote from New York Times
Each week, this superhash number is widely distributed (by being published in The New York Times in a small advertisement) in order to "freeze" the number in case it is ever needed to resolve disputes. If someone questioned whether a Surety timestamp was generated on a particular day, it would be possible to repeat the steps used to generate the superhash value and compare it to the number published in the newspaper.
check out Digital Timestamps: Punching an electronic clock
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