This is valid.

1. each one is a first-party vendor announcement, submitted very close to the announcement and under the vendors headline.

2. Titles are "verbatim" vendor headlines. No editorializing which follows HN guidelines to the letter.

3. Someone; a script/agent is watching vendor feeds and X accounts then submitting within minutes of the posting.

4. Altman/Navier–Stokes post got [duped] so prob not inside thing.

High frequency karma farming.

	▲	a4isms 2 hours ago \| parent \| next [-]
		You aren't serious about high-frequency karma ("HFK") unless you colocate your equipment with the routing for your sources so you can beat your HFK competition to a submission by at least 200ms. We will have reached HFK-ception when the bots are fighting to be the first to submit "How I used AI to build a High-Frequency Karma Farming Bot on Hacker News."
	▲	runj__ an hour ago \| parent \| prev [-]
		Their scraper is physically really close to the internet building!