About

Why the range holds together, how I work, and the entity it runs under. The front sheet says what I build; this says why it is one job.

Detailed description

The software runs on hardware I host, through a platform I built, with builds and deploys I own. When something breaks at three in the morning it is mine to fix, which is the strongest incentive I know for building it properly the first time.

Electronics, hydroponics and solar sit on the same bench, and they keep the software honest. A wiring mistake does not roll back, and a plant does not care what your test suite says.

Operating principles

Reviewed 27 August 2026

These are one idea rather than four. The hours are the raw material, the tool extends what they reach, writing down a decision is how it gets made, and the willingness to re-decide is what keeps any of it useful once the facts move.

• No genius, only hours

  Nothing here rests on effortless talent or luck. Every finished thing is the residue of deliberate, unglamorous work, and the parts that look simplest are the ones that took longest. That is why I would rather show a date than an adjective.

  Pablo Picasso: inspiration exists, but it has to find you working.

• Tools are leverage, not judgment

  I use AI heavily and it decides nothing. The judgment is the job and the tool is the reach. Refusing it would not sharpen the decisions, it would only shorten what I can get to. The taste, the craft and the final call stay mine.

  After Robert McNamara: a computer does not substitute for judgment any more than a pencil substitutes for literacy, but writing without a pencil is no particular advantage.

• Record the decisions

  Writing a decision down is not filing it, it is making it. The version in your head is always tidier than the one that has to survive a sentence, and the gaps only show up on the page. When the context stays in chat history and memory, you inherit a product shaped by forgotten choices.

  So decisions get written down where they can be found later, next to the work they belong to, and a choice is referenced rather than reconstructed.

  Leslie Lamport: if you are thinking without writing, you only think you are thinking.

• Adaptable beats strong

  Conditions move faster than plans do. A decision that cannot be revisited turns into a constraint by accident, and a plan defended past its evidence is just ego. So the work carries dates, and the discipline is going back to them and changing your mind the moment the facts change.

  Dwight D. Eisenhower: plans are worthless, but planning is everything.

Contact

• Entity arbol.capital
• X x.com/spiler
• LinkedIn linkedin.com/in/spiler