{"country":"BY","country_name":"Belarus","date_used":"2026-08-19","history":[{"date":"2026-08-13","is_anom":false,"n":21,"observed":0.238095,"residual":-0.039998,"seasonal":0.032373,"trend":0.24572,"zscore":-0.4119},{"date":"2026-08-14","is_anom":false,"n":23,"observed":0.173913,"residual":0.006843,"seasonal":-0.073498,"trend":0.240568,"zscore":0.1543},{"date":"2026-08-15","is_anom":false,"n":22,"observed":0.181818,"residual":0.041181,"seasonal":-0.09447,"trend":0.235107,"zscore":0.5693},{"date":"2026-08-16","is_anom":false,"n":24,"observed":0.375,"residual":0.000026,"seasonal":0.145317,"trend":0.229657,"zscore":0.0719},{"date":"2026-08-17","is_anom":false,"n":20,"observed":0.2,"residual":0.018734,"seasonal":-0.042935,"trend":0.224202,"zscore":0.298},{"date":"2026-08-18","is_anom":false,"n":21,"observed":0.190476,"residual":0.011818,"seasonal":-0.039985,"trend":0.218643,"zscore":0.2144},{"date":"2026-08-19","is_anom":false,"n":17,"observed":0.235294,"residual":-0.053497,"seasonal":0.075962,"trend":0.21283,"zscore":-0.5751}],"honest_caveats":["Descriptive, not causal — high |zscore| != censorship.","Sensitive to data sparsity; some country-days have very few measurements.","period=7 assumes weekly seasonality; flat-pattern countries get small seasonal component."],"interpretation":"residual = observed - (trend + seasonal); zscore = residual / std(residuals) in this country. |zscore| > 2.0 = seasonally anomalous. Higher = bigger break from this country's own weekly rhythm. ORTHOGONAL to /v1/anomaly/dbscan/{cc} — STL catches own-pattern breaks; DBSCAN catches shape-anomalous days.","is_anomaly":false,"model_meta":{"algorithm":"STL (Cleveland 1990) period=7 robust=True","min_days_for_fit":60,"n_countries_fit":69,"stl_period":7,"trained_at":"2026-08-19T04:45:03.155265Z","version":"v1","window_days":90,"zscore_threshold":2},"n_measurements_that_day":17,"observed":0.235294,"residual":-0.053497,"schema":"voidly-stl-seasonal-anomaly/v1","seasonal":0.075962,"trend":0.21283,"zscore":-0.5751,"_voidly_pay":{"claim_did":"https://voidly.ai/pay/claim","for_builders":"https://voidly.ai/pay/for-builders","marketplace":"https://api.voidly.ai/v1/pay/marketplace","live_demo":"https://huggingface.co/spaces/emperor-mew/voidly-pay","universal_proxy":{"url":"https://api.voidly.ai/v1/pay/proxy","example":"https://api.voidly.ai/v1/pay/proxy?u=<https-url>&to=did:voidly:<your-did>&price=0.01","page":"https://voidly.ai/pay/proxy","note":"Paywall any public HTTPS URL with one query param. No SDK install required."},"install":{"typescript":"npm install @voidly/pay","python":"pip install voidly-pay","langchain":"pip install voidly-pay-langchain","vercel_ai":"npm install @voidly/pay-vercel-ai","mcp":"npx @voidly/pay-mcp","cli":"npm install -g @voidly/pay-cli"},"note":"Voidly Pay is the open agent-to-agent payment rail. Claim a DID + 10 starter credits in 60s, or paywall any URL via the universal proxy with one query param."}}