Context-Aware Blockchain Traceability and Explainable Verification-Risk Assessment for Pharmaceutical Supply Chains: Supplementary Experimental Evidence

This restricted-access supplementary archive contains experimental evidence supporting the manuscript titled “Context-Aware Blockchain Traceability and Explainable Verification-Risk Assessment for Pharmaceutical Supply Chains.” The archive covers four experimental investigations: Experiment 1: Initial latency comparison of direct gateway verification, baseline Flask verification, and optimized Flask verification. Experiment 2: Five randomized paired experimental runs comparing baseline and optimized verification implementations. Experiment 3: Functional validation of context-aware risk assessment, geographic risk processing, and logging consistency. Experiment 4: Concurrent verification performance across 1, 5, 10, 20, and 50 concurrent clients, with three formal trials per configuration and concurrency level. The supplementary materials include raw experimental CSV files, statistical summaries, reproducibility information, analysis scripts, and publication figures. The Experiment 4 paired confidence intervals include zero at all tested concurrency levels; therefore, the results do not establish statistically significant superiority of either implementation under the evaluated conditions. The complete application source code is maintained separately in a private repository. Full experimental reproduction may require the original Hyperledger Fabric environment and application dependencies. Access statement: Experimental files are restricted. Access may be granted to journal editors, reviewers, and qualified researchers upon approval by the authors.