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The Aaronson-Ambainis conjecture has been open since 2008. A 2020 claimed proof turned out to have a flaw.

Now Physical Superintelligence says an unreleased Anthropic model proved it. PSI didn't name the model.

An AI result nobody outside can test or use is hard to check.

Bitcoin fell from $75,690 to $73,477 in 15 minutes late Sunday afternoon, its lowest price since August.

On Wednesday it traded above $81,000. That's a 9% drop in four days.

Weekend markets are thin, and a fast drop like this tends to flush out leveraged longs.

Google DeepMind says its AI agents found two new attacks on 1024-bit RSA.

One forges signatures an estimated 1,600 times faster than the previous best method, when an attacker controls only a small part of the signed data. The other makes each extra key about 30 times cheaper to crack in bulk.

Both figures are DeepMind's estimates. 2048-bit RSA is not affected.

Jensen Huang has admitted to an affair with a woman US intelligence officials suspect of spying for China.

"I was unfaithful to my wife. My actions hurt her and our children. There is no excuse for what I did."

That's from a draft email to Nvidia staff, obtained by Axios. Nvidia's board has opened an independent probe and says it has no reason to believe national security or company secrets were compromised. He remains CEO.