{"countries_embedded":160,"description":"Embeds every country into a vector space describing its censorship BEHAVIOR (blocking-method mix, signal-family mix, blocked-category mix, temporal pattern, severity, DTW cohort, regime indicators), standardizes, and ranks countries by pairwise cosine similarity. Answers 'which countries behave like X?' for transfer learning, journalist comparisons and zero-shot priors.","endpoint":"/v1/atlas/country-similarity/{cc}","feature_groups":{"blocking_method":["method_tcp-reset","method_dns-poisoned","method_ip-blocked","method_http-redirect"],"category":["category_NEWS","category_GRP","category_COMT","category_MMED","category_PORN","category_SRCH"],"cohort":["cohort_1","cohort_2","cohort_3"],"regime":["regime_risk_tier_norm","regime_continent_Asia","regime_continent_Africa","regime_continent_Europe","regime_continent_Oceania","regime_continent_Americas"],"severity":["severity_critical_frac","severity_mean_signal_value"],"signal_family":["signal_dns-blocking","signal_tcp-reset-http","signal_interference","signal_generic-blocking","signal_tor-blocking","signal_middlebox","signal_header-manipulation","signal_outage"],"temporal":["temporal_seasonality_std","temporal_burst_frac","temporal_active_day_frac"]},"generated_at":"2026-09-21T05:10:12.837332+00:00","graph_endpoint":"/v1/atlas/country-similarity/graph","honest_caveats":["Similarity is BEHAVIORAL, not political \u2014 similar blocking footprints do not imply similar governments.","Feature vectors are sparse for low-coverage countries (flagged sparse=true); their neighbors are low-confidence.","The 2D graph projection loses information \u2014 use the cosine neighbor list for quantitative claims."],"n_features":32,"projection":"pca","refresh":"weekly, Mon 05:10 UTC via cron","sidecar_last_modified":"2026-09-21T05:10:12Z","sidecar_path":"/opt/voidly-ai/ml-deploy/country_similarity_v1.json","sidecar_size_bytes":189638}