{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002788},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890002538","489:4890002874","489:4890002456","489:4890002790","489:4890002704","489:4890002876","489:4890002619","489:4890002703","489:4890002620","489:4890002875","489:4890002789","489:4890002542","489:4890002785","489:4890003117","489:4890002541","489:4890003198","489:4890003276","489:4890002621","489:4890002786","489:4890002460","489:4890002706","489:4890002700","489:4890002297","489:4890002214","489:4890003031"],"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":[0.7510803811000482,0.7159138753195006,0.7136010953068805,0.6996572861770635,0.6295823031014094,0.6100114335162095,0.6038711997291506,0.59736486047019,0.5873179507165996,0.5713989865174612,0.5616873669758677,0.501899771099609,0.4917546918336409,0.4588085488035039,0.4553561716580192,0.42179696754034823,0.3952851238549887,0.3710416780303025,0.3575829819432554,0.3268880126795123,0.32451070317600145,0.3013444339207888,0.2842756596699789,0.26281276978286827,0.2537409632061225],"twin_dists":[0.09826661104000828,0.1061791101099948,0.10669189729662397,0.10976732514038788,0.12493610984473481,0.12912915204796166,0.1304439526823062,0.1318372797014648,0.13398980999925222,0.13740543532807803,0.13949389008802524,0.1524966340885641,0.1547388193947719,0.1621218871837657,0.16290582773449158,0.17064847376852335,0.17694872878047294,0.1828825445561457,0.18625901738041867,0.19421665805847022,0.194849543252091,0.20115888424011225,0.20599018009226344,0.21232102690062546,0.2150935887806244],"n_dims_used":45,"mean_confidence":0.9197843763563368},"coverage":{"mean_confidence":0.9197843763563368,"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}}