{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002253},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002836","489:4890002751","489:4890003516","489:4890002752","489:4890001991","489:4890002835","489:4890002840","489:4890002660","489:4890002744","489:4890002742","489:4890002665","489:4890003095","489:4890003324","489:4890003331","489:4890002839","489:4890003174","489:4890002189","489:4890002179","489:4890002841","489:4890003182","489:4890002662","489:4890002496","489:4890001995","489:4890002506","489:4890002090"],"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":[0.9119797049321948,0.8790012218469281,0.8542098349972811,0.834212383612921,0.8164523189529893,0.8095782400480869,0.8063363601710903,0.8020219455065737,0.8003803458703738,0.7960187376317636,0.7858816576926185,0.7804700417227002,0.7738372563059429,0.7703414793700508,0.7698096908902464,0.7631908891368714,0.7586530907177823,0.7515333958248962,0.7510264921702123,0.7460837529604328,0.7291956088872719,0.7284928707079611,0.7278193815383687,0.7169701112072359,0.7095008676167781],"twin_dists":[0.055751576979479626,0.06596012886506841,0.07291001654283784,0.07819851754074852,0.08271011938049176,0.08441678994683009,0.0852147482163923,0.08627015989980065,0.08666983590994856,0.08772683777028342,0.09015741740880774,0.09144103293200294,0.09300204770656408,0.09381962217543438,0.09394369381721526,0.09548152842747316,0.09652928010092031,0.09816305735324313,0.09827892628971738,0.09940573501933204,0.10321766327878665,0.10337510557988044,0.10352591247542217,0.10594465033979197,0.1075990429655752],"n_dims_used":45,"mean_confidence":0.9148095024956597},"coverage":{"mean_confidence":0.9148095024956597,"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}}