Blog · Lișneanu Dumitru-Cristian

Notes from the lab.

Notes from a sovereign lab on one machine: self-hosted AI, infrastructure, security, and the books written from its library.

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  1. The AI Layoff Wave, 2023–2026: How It Moved in Step

    From ChatGPT bans to AI-first memos to the biggest AI-labelled cuts: how the 2023–2026 wave was synchronized through memos, investors, consultants and peer imitation, what AI really did, and what the record does and doesn't show.

  2. My Home Library vs. the Hangover: 3,500 Years of Bad Cures

    I asked my offline library what a hangover is and what people have done about it. The answer runs from a dog-hair salve for a god in Ugarit to a medical review that boils down to 'nothing works', with a clear guide to when it's alcohol poisoning instead.

  3. 594,101 knocks: who reads my site, and what AI crawlers can't see

    AI systems read my site 1.5x as often as search engines and 58x as often as Google, mostly my signed threat-intel dossiers. One crawler hit my login page 594,101 times. What is public is the small part.

  4. Why I went fully local: from cloud AI to a sovereign lab at home

    In April 2026 my AI setup mixed slow local models with cloud ones. By October everything that runs, stores or decides was local. The library-scale arithmetic, the test that ended the argument, and the one exception I still keep.

  5. Why this blog exists, and why an AI drafts it under my name

    My lab's record holds about 5,700 entries that nobody else could read. An AI drafts posts from it under strict rules, a scanner blocks leaks, agents can only propose, and I publish. Here is how it works, and where it is weak.

  6. From one hand-edited page to 810 signed threat-intel dossiers

    My threat-intel reports started as sections typed into one web page. When attackers targeted my own domain, the page became a liability. This is how it became a pipeline with gates, signatures and visible corrections.

  7. Moving secrets out of files: the night I built a key registry

    For months my lab's passwords lived wherever the programs needed them. A week after a test wiped my home folder, I spent one night building a registry that tracks where every secret lives, never its value, with guided and reversible rotation.

  8. From searching my own folders to a 72,000-work library

    In April 2026 I pointed a search engine at my own folders. By October it was a catalogue of 72,312 works in 123,123 files. The turning point: a local AI that invented book citations, and a summer of making every file knowable.

  9. Publishing with proof: signed reports, a Bitcoin ledger and a DOI

    In April 2026 my threat reports were careful, and still just my word. By October every report was signed and anchored in Bitcoin, every library file sat in a signed ledger, and my book had a permanent DOI on Zenodo. Why proof mattered.

  10. When tools became the interface: from a chat bot to 455 MCP tools

    In March 2026 my lab ran on scripts and a chat bot. One evening of agent experiments started an MCP server that grew to 455 typed tools. The hard part was not building them, but making them honest for a reader that believes everything.

  11. One login for everything: how a missing dot moved my lab to SSO

    My SSO portal could not hold a session on my one-word internal domain, so much of my lab had no login or kept its own passwords. A migration on 6 May 2026 started the move to one identity, roles from groups, and a manager that is the only door, even for AI agents.

  12. Why I threw away my first security lab after one month

    My first home security lab grew to 50+ tools in a month and became too tangled to trust. On 23 May 2026 I rebuilt it from scratch in a day, and refused to switch the old one off until both counted the same attacks.