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Essays, experiment logs, and technical notes across AI governance, reasoning systems, BioAI, and engineering practice.

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How do you know when your entire AI pipeline is wrong — not just one model? (EXP-033)
Scientific & BioAI Infrastructure
RExSyn Nexus-Bio

How do you know when your entire AI pipeline is wrong — not just one model? (EXP-033)

EXP-033 shows how to validate an entire AI pipeline, not just one model, using five-gate checkpoints, reproducible PASS/BLOCK parity, AlphaGenome on/off testing, and fully traceable governance decisions.

Evidence-aware scientific systems#AI#AI Governance#Biomedical#Bioinformatics#Mlops#AI Research#Scientific Integrity#AI Code#AI Alignment
What an AI Reasoning Engine Built for Alzheimer's Metabolic Research: A Code Walkthrough
Scientific & BioAI Infrastructure
RExSyn Nexus-Bio

What an AI Reasoning Engine Built for Alzheimer's Metabolic Research: A Code Walkthrough

A code walkthrough of an AI reasoning engine for Alzheimer’s metabolic research, showing how literature ingestion, causal inference, and executable biomarker scaffolds generate falsifiable pre-validation hypotheses.

Evidence-aware scientific systems#AI#AI Governance#Biomedical#AI Alignment#Bioinformatics#Mlops#Future of Work#AI Code#Architecture#Scientific Integrity#AI Research
Chaos Engineering for AI: Validating a Fail-Closed Pipeline with Fake Data and Math
Scientific & BioAI Infrastructure
RExSyn Nexus-Bio

Chaos Engineering for AI: Validating a Fail-Closed Pipeline with Fake Data and Math

A case study in AI governance showing how synthetic invalid inputs, structural disagreement, SIDRCE ethics checks, and end-to-end reliability scoring triggered a safe BLOCK verdict in a biomedical pipeline.

Evidence-aware scientific systems#AI#AI Governance#AI Alignment#Biomedical#Bioinformatics#Mlops#Deep Learning#Machine Learning#Cognitive Science#AI Research#Scientific Integrity#Architecture#AI Code
How Failing in 2 Hours Saved 8 Months of Drug R&D: Engineering a "Truthful Null" with Upadacitinib
Scientific & BioAI Infrastructure
RExSyn Nexus-Bio

How Failing in 2 Hours Saved 8 Months of Drug R&D: Engineering a "Truthful Null" with Upadacitinib

A bioinformatics case study on Upadacitinib showing how SR9 stability scoring and drift analysis exposed lipid carrier incompatibility early, saving months of drug delivery R&D

Evidence-aware scientific systems#AI#AI Ethics#AI Governance#Biomedical#Mlops#AI Code#Architecture#Bioinformatics