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atomicdjt/README.md
David Turner — evidence-led software and AI systems engineering

I build inspectable software, then test whether its claims survive contact with reality.

AI-assisted engineering · agent interoperability · local-first products · reproducible verification

View live projects · Inspect external engineering proof · See what is maintained · Contact

Start here: three checks of the work

What to evaluate Direct evidence What it actually establishes
Can a change withstand adversarial review? Rosetta #320 · Engineering case study A dangerous-command matcher fix merged after independent differential, scaling, and mutation review; not a general security certification
Can an observation be separated from an inference? AgentMeasure DR-005 · Attributed fixture An external project explicitly credited my limited reviewer input and synthetic fixture; not authorship of the full specification
Can an ambiguous tool result be handled conservatively? CrewAI recovery fixture · Boundary case study Local, fault-injected SQLite/provider-double behavior; not a live Stripe, distributed exactly-once, or upstream CrewAI guarantee

Verified upstream record: 9 authored pull requests merged into two external projects — 7 Rosetta and 2 super-productivity, checked October 20, 2026. See the individual PRs, reviewer findings, limitations, and AI-assistance disclosure in the full external-validation record.

Selected systems

Project Why it exists Inspect it
Trajectory Fidelity Bridge Convert supported Claude Code history to ATIF v1.7 with explicit fidelity/loss reporting, not an invented promise of native session resumption PyPI 0.4.1 · Verification report
Validation Ledger Trace evidence and counterevidence into reviewable decisions without passing off a heuristic score as truth Live demo · Release validation
WeaveStudio Build, review, and export local-first workflows with source lineage and human checkpoints Live demo · Release verification
BuildWorld AI Reproducible graph scenarios for cascades, sensitivity, and systems intuition under explicitly heuristic models Live simulation · Methodology
Cosmic Atlas Scientific An offline astronomy atlas connecting source-derived catalog data, explicit provenance, and bounded numerical tools v5.1.0 release · v6 development reviewer guide

Four illustrated systems with shared evidence, portability, and verification concerns

How I work

Specify an invariant → build the smallest implementation → introduce a falsifying test → inspect independent feedback → publish only the claim the evidence supports.

My current work includes TypeScript/React applications, Python CLIs, agent-tool boundaries, provenance-aware workflows, and browser/local data models. AI tools assist with research, coding, tests, and drafting; I direct requirements and verification, review changes, and take responsibility for published work.

An upstream merge establishes that a specific contribution was accepted, not employment, organizational endorsement, commercial traction, or approval of unrelated work. Local tests do not establish production behavior or independently verified real-world usage.

Independent review routes

Technical writing: Upstream verification · Tool history and ATIF · Verification limits · Reviewer-friendly PRs

Pinned Loading

  1. AI-Project-Portfolio AI-Project-Portfolio Public

    Source-backed applied AI and technical-operations portfolio with deployed local-first tools, tests, CI, and verification evidence.

    JavaScript 2

  2. buildworld-ai buildworld-ai Public

    Local-first visual systems simulation lab for reproducible graph scenarios, bottlenecks, cascade risk, sensitivity analysis, and exportable reports.

    TypeScript 1

  3. weavestudio weavestudio Public

    Local-first visual workflow canvas for turning messy research and client inputs into structured, reviewable, exportable deliverables.

    TypeScript 1

  4. trajectory-fidelity-bridge trajectory-fidelity-bridge Public

    Coding-agent trajectory portability: Claude Code to ATIF v1.7 with fidelity accounting, redaction, and historical observability projection.

    Python 2

  5. validation-ledger validation-ledger Public

    Local-first workspace for traceable product discovery: source to evidence to hypothesis to decision, with explicit counterevidence.

    TypeScript 1

  6. cosmic-atlas-scientific cosmic-atlas-scientific Public

    Offline astronomy atlas with source provenance; v5.1.0 standalone release, with distinct v6 scientific-engine development.

    HTML 1