{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001649},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001784","490:4900001650","490:4900002091","490:4900007185","494:4940006028","490:4900012528","490:4900013196","476:4760004425","476:4760003958","490:4900004370","490:4900007186","490:4900004761","490:4900004368","490:4900013362","490:4900002092","476:4760003568","490:4900001642","490:4900006087","484:4840003146","490:4900012923","476:4760003815","490:4900004760","480:4800000632","490:4900007673","471:4710002082"],"twin_admin_codes":[490,490,490,490,494,490,490,476,476,490,490,490,490,490,490,476,490,490,484,490,476,490,480,490,471],"twin_sims":[0.062467982749928555,0.01547064733011653,0.006721252328158458,0.005130586250713734,0.002814408674404626,0.001922256519163648,0.001561999086848139,0.0012772637581752188,0.0012748490667956864,0.0010890352862486052,0.001046240277735209,0.0009089347751486497,0.0008674021899855218,0.0008187552060065127,0.0008052304452476352,0.0007380709209520483,0.0007356051426913114,0.0006854703008141072,0.0006505004795166982,0.0005744346693794436,0.0005596096455005026,0.0005159276370953019,0.0005157439879327455,0.00044989510748963434,0.0004271804652232851],"twin_dists":[0.30585930533183,0.3750118015339639,0.4108010627608867,0.4217436904005618,0.44511164770156425,0.45933194899431157,0.4668907007388606,0.4741053946947489,0.47417271310485387,0.47974387592464157,0.4811513130760729,0.48605818706363335,0.48767853732088245,0.4896707524379538,0.4902441776101075,0.4932314533984929,0.4933458805126422,0.49575340430840925,0.4975318040458336,0.5017300121049612,0.5026082613552558,0.5053283968225553,0.5053402803766747,0.5098792347789441,0.5115902280662382],"n_dims_used":45,"mean_confidence":0.9091776529947917},"coverage":{"mean_confidence":0.9091776529947917,"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}}