Geometer — agent actions and evidencehttps://geometer.devPractical guides and reproducible research on authority, actions and evidence.A timeout is not a failed refund.https://geometer.dev/research/lost-acknowledgements/https://geometer.dev/research/lost-acknowledgementsSeparate the intent, the attempt and the effect. Then reconcile what you actually know.Sat, 17 Oct 2026 00:00:00 GMTApprove the action that will happen.https://geometer.dev/research/exact-call-approval/https://geometer.dev/research/exact-call-approvalAn approval needs an exact scope, a current authority and a meaningful expiry.Sat, 17 Oct 2026 00:00:00 GMTA different route is not necessarily drift.https://geometer.dev/research/different-behavior-and-drift/https://geometer.dev/research/different-behavior-and-driftMeasure adherence to active constraints, rather than similarity to a preferred path.Sat, 17 Oct 2026 00:00:00 GMTRead the scope before the signature.https://geometer.dev/research/reading-an-assessment/https://geometer.dev/research/reading-an-assessmentThree questions to ask of a certificate: what was checked, is the record intact, and does it still apply?Sat, 17 Oct 2026 00:00:00 GMTHow to read a Geometer certificate.https://geometer.dev/research/reading-a-geometer-certificate/https://geometer.dev/research/reading-a-geometer-certificateFor a customer's security or risk reviewer: three gauges to read separately, who issued it, what a fingerprint lets you check and what a certificate cannot tell you.Fri, 23 Oct 2026 00:00:00 GMTQuestions to ask before an agent takes real actions.https://geometer.dev/research/questions-before-agents-act/https://geometer.dev/research/questions-before-agents-actA starting checklist for buyers, risk reviewers and builders assessing an agent that moves money, changes records or makes commitments.Thu, 22 Oct 2026 00:00:00 GMTCode scanning, evals and action assurance check different things.https://geometer.dev/research/code-scanning-evals-and-action-assurance/https://geometer.dev/research/code-scanning-evals-and-action-assuranceA refund agent can pass every code scan and still refund twice. What each kind of check covers, and where they overlap.Thu, 22 Oct 2026 00:00:00 GMTA small counterexample to a blind retry.https://geometer.dev/research/synthetic-refund-retry/https://geometer.dev/research/synthetic-refund-retryA reproducible synthetic experiment shows why losing a reply and losing an effect are different events.Sat, 17 Oct 2026 00:00:00 GMT