{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003451},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002649","489:4890002820","489:4890003526","489:4890002401","489:4890003170","489:4890003371","489:4890003179","489:4890003391","489:4890002909","489:4890002583","489:4890003370","489:4890002399","489:4890003489","489:4890002400","489:4890002825","489:4890002642","489:4890003435","489:4890003299","489:4890003367","489:4890003599","489:4890003334","489:4890002994","489:4890003178","489:4890002975","489:4890002482"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9262517104488153,0.8909617757256827,0.8726294796233054,0.8570659997916898,0.8567353510402675,0.8173557695078865,0.8052808818508066,0.796911853465542,0.7962173801683436,0.7916933994121579,0.789159275196998,0.7875838353607121,0.7867515190061242,0.7866170836277641,0.7858319971265918,0.7830039320314721,0.7770845922898701,0.7758627467096879,0.7696645514058953,0.7678657792998886,0.7663860799004711,0.7649336013374642,0.7592622904563817,0.757424928276026,0.7568371564170681],"twin_dists":[0.05083694750552084,0.06240837451585479,0.06779503849115454,0.07213363966606491,0.07222381232736953,0.08248427162554146,0.08547362387776158,0.08751096848303014,0.0876788501962945,0.08876825421949652,0.08937537383288116,0.08975171994079445,0.08995021337906083,0.08998225254835224,0.09016923927370843,0.09084115763345403,0.09223942910469957,0.0925267352552299,0.09397754274935749,0.09439656696456855,0.09474060603385479,0.0950777485133971,0.09638891903608518,0.09681197469703005,0.09694713629363466],"n_dims_used":45,"mean_confidence":0.9151390923394097},"coverage":{"mean_confidence":0.9151390923394097,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}