{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003303},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001731","489:4890001902","489:4890003376","489:4890002336","470:4700000624","489:4890002248","489:4890002418","489:4890002355","489:4890002230","489:4890002332","489:4890003168","489:4890001571","469:4690000318","489:4890001659","489:4890002149","489:4890002655","469:4690001617","499:4990002109","489:4890003090","489:4890002261","489:4890003091","499:4990001188","489:4890002163","489:4890002094","479:4790000169"],"twin_admin_codes":[489,489,489,489,470,489,489,489,489,489,489,489,469,489,489,489,469,499,489,489,489,499,489,489,479],"twin_sims":[0.44053816834049325,0.4310332784006432,0.4129417351843775,0.40785298761753214,0.406393041856693,0.4003823664324697,0.40009865891918067,0.39680972581488155,0.381820194923181,0.3807833600446977,0.3800567247707806,0.37157816533260213,0.3693557646638821,0.35918767012560787,0.3576295801901826,0.35622935345253093,0.3535862147607789,0.34518830591687033,0.3443010528522406,0.3422763030563968,0.3396214609190186,0.33524409591642723,0.3347653543577221,0.3296715712858721,0.3295093530424996],"twin_dists":[0.16629597049815897,0.1684938141843387,0.17273294829560537,0.17393956737509633,0.17428696541377608,0.17572313513652915,0.17579116263520392,0.17658139482182428,0.18022213057986566,0.18047644693714324,0.1806548760630279,0.18274923640077279,0.1833020896641366,0.18585309308641426,0.18624721665830854,0.1866021614312647,0.18727414117768196,0.18942675456145353,0.1896557854624559,0.19017962151479914,0.1908689860462608,0.19201198409846665,0.19213747947545842,0.1934788460060514,0.19352174934795724],"n_dims_used":45,"mean_confidence":0.9141801622178819},"coverage":{"mean_confidence":0.9141801622178819,"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}}