{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000950},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000344","490:4900000519","490:4900000967","490:4900000727","490:4900000345","490:4900000833","490:4900004598","487:4870002453","490:4900002192","490:4900000283","496:4960004817","496:4960009179","490:4900001300","490:4900000189","490:4900000251","490:4900000523","490:4900000430","490:4900001344","490:4900001212","490:4900001337","496:4960006511","490:4900000269","490:4900003083","490:4900000620","490:4900000615"],"twin_admin_codes":[490,490,490,490,490,490,490,487,490,490,496,496,490,490,490,490,490,490,490,490,496,490,490,490,490],"twin_sims":[0.6548337017857563,0.4794812950287319,0.47582302218454214,0.4665027309913866,0.4345848508923883,0.40438713744017857,0.3934764103221335,0.384411278420307,0.3743884991205144,0.33570865594889476,0.32958410109356845,0.32613569791509966,0.3247317032304928,0.32391799116646425,0.32192077428920324,0.3203842426090304,0.31063178888368465,0.3041996408732662,0.3001796625422928,0.29137973261472355,0.2860233413033819,0.2781001253374251,0.27563619542984247,0.2505679147384989,0.24905601688256082],"twin_dists":[0.11950908421085861,0.15746984555506252,0.15828810281595826,0.16038225672390177,0.1676703341648513,0.17476518280491757,0.17738536480896838,0.17958803118921055,0.18205246331049982,0.19189029912188657,0.1935019786059578,0.194416661964653,0.19479060062245934,0.19500773494002618,0.1955419718256819,0.19595424127317818,0.19859733152123815,0.20036658427270035,0.20148335573812032,0.2039590182664675,0.20548769606061065,0.20778083954470927,0.20850202565386977,0.2160781511178064,0.2165500765425565],"n_dims_used":45,"mean_confidence":0.9163072374131944},"coverage":{"mean_confidence":0.9163072374131944,"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}}