{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800004564},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800005092","480:4800005180","480:4800004311","480:4800005093","480:4800005090","480:4800004065","480:4800003908","480:4800004225","480:4800004994","480:4800004485","480:4800004310","480:4800005000","480:4800004915","480:4800005088","480:4800005184","480:4800005258","480:4800003831","480:4800004919","480:4800005096","480:4800005270","480:4800004471","480:4800005751","480:4800005425","480:4800004836","480:4800005183"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.5318952823646329,0.5083250870996303,0.45068040728745057,0.430307940910783,0.42037588003253556,0.345508690019598,0.3400870543641479,0.33688496479355434,0.33638300309811114,0.30260563941038393,0.3003045588650584,0.2892956701953672,0.2854736871681347,0.2811026690848444,0.26975273109296444,0.2673544912343948,0.2672255335575095,0.26482431807016105,0.26131893941678724,0.25729111354627515,0.2554659022472551,0.24213563878844047,0.2358163014427062,0.2345503213692266,0.2314129046961915],"twin_dists":[0.1459350841207893,0.15108306429808863,0.16397103530253807,0.1686623303626908,0.17098172474372136,0.18934412898182973,0.19074788041518306,0.19158258878844736,0.19171382558851474,0.20080837259524004,0.2014485280932567,0.20455178428017157,0.20564553013378822,0.20690724419782888,0.21024024483131662,0.21095549541995406,0.21099406826067943,0.21171442639767896,0.21277338702021084,0.21400124341668106,0.21456164131581654,0.21873402537191164,0.2207638732891418,0.22117477421829343,0.22219939795559732],"n_dims_used":43,"mean_confidence":0.9190056379451308},"coverage":{"mean_confidence":0.9190056379451308,"n_dims_used":43,"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}}