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Building Marginalia, investor relations for small public companies. Every figure traced to its filing. Tech, 3D, markets.

Joined October 2026
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Building Marginalia: investor relations for companies too small for an IR team. Every number tied to its filing page. This is the one-card version of Anthropic's S-1.
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Korean shipyards already have welding robots that take the path straight from CAD and fix it by touch. US yards are still short on welders.
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Clips are from HD Hyundai Robotics' YouTube (Panel Slit Welding, Sub-assembly line). US order and Persona AI: hellenicshippingnews.com/?p=… and gcaptain.com/shipbuilder-hd-…
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Sound on. Real data center recording, not the Dowagiac site, but that's the kind of thing neighbors there are suing over. Hard to call it NIMBY.
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Dowagiac, Michigan already fined its data center for noise, and the company wants to go from 30 MW to 340 MW. The neighbors have a point.
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Nvidia's stakes in private companies went from $3.8B to $47.9B in a year. Who's the customer again?
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Source is the July 10-Q, non-marketable equity securities in note 6: sec.gov/Archives/edgar/data/…
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Which AI tool did your company pay for this year that nobody opens anymore?
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Uryyb. Jung'f gur jbefg pbqr lbh rire fuvccrq? Answer in plain English Anyone replying "let's connect" didn't read this
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DeepMind's RSA post calls 1024-bit systems obsolete. So I looked up DKIM keys, the ones that sign company email, for 105 big US companies. 88 had keys at common selectors 75 publish one of 1024 bits or less 1 publishes a 512-bit key Rough count, some may be out of use
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To check yours: take s= from the DKIM-Signature header of a mail you sent, then dig TXT that._domainkey.yourdomain.com. A p= around 216 characters is 1024 bits, around 392 is 2048
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Bookmarks don't raise your post's score on X. X published its ranking code. The final score adds up 30 weighted predictions, and a bookmark isn't one of them. Some that are: copying the link (20), replies (5), DM shares (5), follows (4), likes (0.7)
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370 followers. Need 338 a day to hit 10k by Dec 5 Got 112 in the last 24 hours If you're building something, let's #connect Say hi
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day 2 of going from 284 to 10k followers by dec 5 made a chart if you're also building something with terrible odds, let's #connect say hi
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