{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000858},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000441","490:4900000536","490:4900000982","490:4900000635","490:4900000984","490:4900000530","490:4900000261","490:4900000983","490:4900000455","490:4900000644","490:4900000634","490:4900000981","490:4900000534","494:4940008158","490:4900000987","494:4940007941","490:4900000440","490:4900000757","490:4900000978","490:4900012662","490:4900013125","490:4900000539","490:4900000449","490:4900000632","490:4900000367"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,494,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5294872933408514,0.2916453437201986,0.29138681157915497,0.261755623868723,0.21253220913819287,0.19529258867892502,0.18647332175600462,0.16223380631272918,0.1502525701105524,0.1416129104620736,0.11136393999731248,0.11066895600743516,0.11066316338499874,0.10340337410422434,0.09379387642217307,0.09356184412090009,0.0929179732814963,0.08890613285238003,0.0798316364551107,0.07410166952117372,0.07241638944910239,0.07197840400839808,0.06717591445094721,0.06573239459417059,0.0635618150341872],"twin_dists":[0.14645859173520853,0.20388365251282067,0.20395700911798928,0.21264098343155696,0.22856889413595055,0.2347286099976096,0.23802610714256972,0.2476973586756701,0.25286783470999463,0.25678770533461903,0.2721142768254067,0.27250204835786807,0.2725052882915033,0.2766733663941769,0.28255720470844076,0.28270502682839266,0.28311674181786955,0.2857341527949973,0.2920204327551015,0.2962913422569123,0.29759812125364754,0.2979417633054101,0.3018256546348336,0.30303719664674417,0.30490051061763274],"n_dims_used":45,"mean_confidence":0.9113421122233073},"coverage":{"mean_confidence":0.9113421122233073,"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}}