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Tushar Pathak
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Illustration of Tushar writing in an open notebook at a wooden desk by a window — a green lamp, a cup of tea, stacked books, a plant, and a sketched flow diagram on loose paper.

Product Thinking

Thinking

Essays

Essays in progress — five drafts, none published yet.

  1. Green tests prove it runs. They don't prove it's right.

    A note on why a fully green test suite still missed the defects that mattered.

    2 min readRelated project: TeachSpark → (opens in a new tab)Draft — pending sign-off

  2. I made my own numbers worse the day before submitting

    A note on re-checking a pilot metric and reporting the smaller, honest number instead.

    2 min readRelated project: TeachSpark → (opens in a new tab)Draft — pending sign-off

  3. Refusal is a feature: designing an AI that would rather say no

    A note on why RailCite is built to refuse an answer rather than guess a citation.

    2 min readRelated project: RailCite → (opens in a new tab)Draft — pending sign-off

  4. Killing Nuptis: two products in nine days and why one had to die

    A note on shutting down one product nine days after starting it, and building its replacement.

    2 min readRelated project: Nuptis → (opens in a new tab)Draft — pending sign-off

  5. Staleness is a correctness bug, not a missing feature

    A note on why an out-of-date citation is a bug, not a nice-to-have.

    1 min readRelated project: RailCite → (opens in a new tab)Draft — pending sign-off