• Omar U. Espejel 7 min

    The Environment Contract Is Part of the Product

    • agents
    • engineering

    A postmortem on an auth flag regression in an agent-built app, and the deploy contract that stops stale environments from becoming releases.

  • Omar U. Espejel 11 min

    What a Proof Is Allowed to Mean

    • verifiable ai
    • proof systems

    A guide to the missing receipt around proof artifacts: how proof bytes, statement meaning, verifier domain, and replay assumptions become one accepted object.

  • Omar U. Espejel 13 min

    Proof Validity Is Not Statement Validity

    • verifiable ai
    • proof systems

    A proof can verify while the AI claim around it is still relabelable. In a local EZKL-style receipt test, the proof-only path rejected 1 / 7 relabels; the statement-envelope path rejected 7 / 7.

  • Omar U. Espejel 13 min

    Proof Pressure Is Not Just Matrix Multiply

    • proof systems
    • verifiable ai

    The useful transformer-proving question is not whether the model contains arithmetic. It is where proof plumbing gets reused or repeated.

  • Omar U. Espejel and Abdel Stark 19 min

    Why Transformers Fit STARKs

    • proof systems
    • verifiable ai

    Transformer decode is a repeated state transition over carried context. That shape does not make STARKs win automatically, but it makes the proof-boundary question natural.

  • Omar U. Espejel 16 min

    Why Documentation Structure Fits Agent Workloads

    • agents
    • engineering

    How curated manifests, canonical metadata, crawler boundaries, and simple health checks make documentation easier for AI agents to retrieve and cite.