Zodiac Discussion Forum

tlaz444
@tlaz444
Active Member
Joined: August 18, 2018 7:06 am
Last seen: June 20, 2023 7:42 pm
Topics: 1 / Replies: 12
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Re: Lake Berryessa Theories

Yes, "probably", "possibly" and "may" do come up a lot, because that is the honest approach when assessing the Zodiac Ki…

4 years ago
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Re: discussion of solved z340 context and clues

For years many assumed the cipher was improperly coded or deliberately unsolvable. The fact it took 51 years to solve what is an ingeniously encrypted…

4 years ago
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Re: Z340 has been solved!

I can’t believe it was a period 19 transposition this whole time, just like what was suspected. Now I wonder why that transposition scheme was chosen,…

4 years ago
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Re: Route Transposition and Phenomenon

I have been wondering the same, although I wish I could contribute more. I also find it confusing how certain operations can increase the period 19 r…

4 years ago
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Re: Z340: 18th column?

Jarlve, when you say adding an 18th column consisting of new unique symbols, do you mean symbols not currently in the z340? So the period 5 bigrams wo…

4 years ago
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Re: z340: Routes in Quadrants

Damn, only 22 bigrams… It’s so hard explore all possible transpositions though.

4 years ago
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Re: Symbol position distribution spectrum and its implicatio

Sorry, just so I am following this correctly, ciphers that are more cyclic, are more susceptible to periodic transpositions that could significantly a…

5 years ago
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Re: Let’s Crack Zodiac – Episode 1 – Graysmith

This was great, thanks Doranchak! Looking forward to more.

5 years ago
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Re: Did Zodiac kill in Oceanside? Police re-test 1962 eviden

This is from 1968, but Joseph Alito is listed living as living there, literally a 5 minute walk from Paul Stine. That basically cements that this is a…

5 years ago
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Re: Burger Chef 340 Quiz

The "quiz" on the right side just seems to be a forced solution of z340 that creates random zodiaclike words. Weird.

5 years ago
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Re: HistoCrypt 2019 – Really good papers

Thanks Doranchak for sharing these. I’ve had a similar idea to use SVM’s to classify ciphertexts but have never gotten around to implementing it.

5 years ago
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Re: Lawrence Public Library Cryptogram

Someone probably needs to rule out the obvious: Is the source of the mnemonic the very book it is written in? Maybe someone was practicing memorizatio…

6 years ago
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