https://srivtx.github.io/p-rick Essays accompanying the p-rick working papers on missing software: the argument in plain language, written the way technical leaders write. en 09 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p030.html https://srivtx.github.io/p-rick/blog/p030.html Lost in the middle is one of the most replicated findings of the long-context era: stuff at the beginning of your prompt gets recalled, stuff at the end gets recalled, and the midd… 09 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p029.html https://srivtx.github.io/p-rick/blog/p029.html You've seen the transcript. Five agents, seeded with different takes on a question. Round one: real disagreement, three positions on the board. Round four: a majority has crystalli… 09 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p028.html https://srivtx.github.io/p-rick/blog/p028.html You're about to hand your repository to an agent. Maybe you already have. The question you're actually asking, whether you've phrased it or not, is: *how many tests do I need first… 09 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p027.html https://srivtx.github.io/p-rick/blog/p027.html Every layer of your network pays rent. Not in compute — in something the invoice never itemizes: activation norm. A standard residual stream is $x + f(x)$, stacked a hundred times,… 09 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p026.html https://srivtx.github.io/p-rick/blog/p026.html After the first credential breach of a user's life, every subsequent breach of every site is, partly, the same breach. You know the mechanism. The user reuses a password. The new … 09 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p025.html https://srivtx.github.io/p-rick/blog/p025.html You know this outage. Traffic rises. Latency crosses a timeout. Clients re-send work the server hasn't finished. The re-sent work queues behind the original work, the queue deepens… 09 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p024.html https://srivtx.github.io/p-rick/blog/p024.html There is a kind of Tuesday every engineering organization knows. A routine minor release lands. Nothing in the changelog is interesting. And by afternoon, codeinstall/code is hanging for … 09 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p023.html https://srivtx.github.io/p-rick/blog/p023.html Somewhere in your infrastructure is a corpus of embedding vectors. Millions of them, on disk, in an index. They were produced by encoder generation 17. Your queries are arriving en… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p022.html https://srivtx.github.io/p-rick/blog/p022.html Every cache operator knows the feeling. You size the cache for your real traffic, and then the bots arrive. Scanners walking your URL space. Probes hitting unique user IDs. The col… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p021.html https://srivtx.github.io/p-rick/blog/p021.html When a package gets compromised, our industry tells stories. Event-stream. ua-parser-js. The 2024 wave. We narrate the blast radius afterward, with the reverence of historians desc… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p020.html https://srivtx.github.io/p-rick/blog/p020.html In July 2024, one bad configuration file pushed to one endpoint-security agent took down roughly eight and a half million machines — flights grounded, broadcasters dark, hospitals … 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p019.html https://srivtx.github.io/p-rick/blog/p019.html There is a boot stick in a drawer in a data center in Mumbai. Minimal OS, system image, six laminated steps. It has not been booted since it was sealed. An amateur radio club keeps… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p018.html https://srivtx.github.io/p-rick/blog/p018.html A package is undeliverable because a checkout form joined a 2019 address to a 2026 order. A hospital's emergency-contact field, captured at admission, quietly rots through a decade… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p017.html https://srivtx.github.io/p-rick/blog/p017.html Every privacy screen you have ever used carries the same sentence: emyou can withdraw consent at any time./em It is the most repeated promise in software. It is also, as engineering, … 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p016.html https://srivtx.github.io/p-rick/blog/p016.html In 2003, a one-page paper in emScience/em quietly organized twenty years of policy: organ-donation consent across Europe ran 4–27% in opt-in countries and 86–99.98% in opt-out ones. A… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p015.html https://srivtx.github.io/p-rick/blog/p015.html In 2013, a graduate student asked for the spreadsheet behind a famous economics paper — the one whose threshold claim had anchored austerity budgets on two continents. Thomas Hernd… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p014.html https://srivtx.github.io/p-rick/blog/p014.html There's a photo that circulates after apartment fires in the deaf community: a smoke alarm on the ceiling, intact, having done its job perfectly. It sounded. Nobody heard it. The … 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p013.html https://srivtx.github.io/p-rick/blog/p013.html Fifty-three million Americans are unpaid family caregivers. That's the AARP's number, and it counts the people running a parent's phone plan from another city, the adult children d… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p012.html https://srivtx.github.io/p-rick/blog/p012.html There's a law hanging on the wall of every design talk and nowhere else: Tesler's Law, the law of conservation of complexity. Larry Tesler wrote it down at Xerox PARC in the sevent… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p011.html https://srivtx.github.io/p-rick/blog/p011.html There's a vault in Svalbard that keeps seeds against the collapse of agriculture. There's an archive in San Francisco that keeps the web against the collapse of memory. There's an … 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p010.html https://srivtx.github.io/p-rick/blog/p010.html In March 2024, the world learned that a compression library at the base of nearly every Linux distribution had been backdoored. The postmortems called it a supply-chain compromise.… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p009.html https://srivtx.github.io/p-rick/blog/p009.html Every scheduling system in production — every one — encodes exactly one fact about you: whether a slot is occupied. You are a grid of free and busy. Everything else, the software a… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p008.html https://srivtx.github.io/p-rick/blog/p008.html In April 2023, a company called Insteon shut down. No announcement, no transition plan. Somewhere north of a decade of installed hardware — hubs, dimmers, locks, sensors sitting in… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p007.html https://srivtx.github.io/p-rick/blog/p007.html Count the machines you own: phone, laptop, desktop, tablet, watch, maybe a console and a NAS. Add up the cores, the memory, the GPUs, the sensors. That aggregate is more compute th… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p006.html https://srivtx.github.io/p-rick/blog/p006.html Fifty years of systems research gave us something beautiful: a body of theory that lets one machine serve thousands of competing requesters — fairly, with latency guarantees, starv… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p005.html https://srivtx.github.io/p-rick/blog/p005.html Take any file on your machine. The important one — the contract, the report, the dataset, the PDF your lawyer sent. Now ask it a simple question: emwhere did you come from?/em The fi… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p004.html https://srivtx.github.io/p-rick/blog/p004.html There are two versions of every app you ship. The one in the spec, and the one that exists when the machine gets tired. The first version has an entire industry around it. Product… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p003.html https://srivtx.github.io/p-rick/blog/p003.html Economics has known for a decade that your inflation isn't the headline number. Kaplan and Schulhofer-Wohl built household-specific price indices and found dispersion that is large… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p002.html https://srivtx.github.io/p-rick/blog/p002.html Some numbers first, because they're the whole argument: - €3–6 billion a year in EU flight-delay compensation goes unclaimed. 87% of eligible passengers never file. - US class-act… 07 Oct 2026 00:00:00 +0000 https://srivtx.github.io/p-rick/blog/p001.html https://srivtx.github.io/p-rick/blog/p001.html Every day, your phone receives dozens of the most valuable data points of your life — and throws them away before you've finished reading them. The bank's notification that ₹1,199… 07 Oct 2026 00:00:00 +0000