A steep observability-accuracy gradient in cultural transmission: observability-gated selection explains bimodal knowledge fidelity Preprint
Quantifying tectonic-climatic circumscription: a reproducible spatial-statistical test at primary-state locations Preprint
Vibration-friction reduction in megalithic stone transport: quantitative physics constraints on acoustic and mechanical mechanisms across 12 sites Preprint Data
Observability gradients and institutional capture in Silk Road cultural transmission: a pre-registered exploratory replication Preprint & Data Pre-registration
Latitude outperforms radial distance from the proposed Laurentide impact center in predicting Clovis-to-post-Clovis ratios: a PIDBA spatial test Preprint & Data
Land-constrained Monte Carlo baselines for corridor enrichment analysis in archaeology: correcting coastal jitter bias and testing a proposed transcontinental great circle alignment Preprint
Testing claims of mathematical encoding in ancient architecture: nine metrological and pyramid-geometry hypotheses Preprint
Emergent precision in oral traditions: convergence of independent knowledge systems as evidence for observability-driven cultural optimisation Preprint Data
Convergent evolution of fire management across three continents: independent optimisation of burning regimes by Aboriginal Australian, Native Californian, and West African traditions Preprint
Observability and pharmacological calibration in psychoactive ethnobotany: ceremony duration, admixture selection, and the discovery of ayahuasca Data & Code
A pre-registered cost-surface and clustering framework for testing alignment claims on archaeological road networks, with a dual-check primitive against Null-1 degeneracy Preprint