{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001050},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001359","489:4890001171","489:4890001366","489:4890001168","489:4890001238","489:4890001297","489:4890000932","489:4890001231","489:4890000990","489:4890001357","489:4890001049","489:4890001292","489:4890001438","489:4890001428","489:4890001239","489:4890001368","489:4890001048","489:4890000989","489:4890001431","489:4890001296","489:4890001434","489:4890001429","489:4890001354","489:4890001052","489:4890000694"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.833076774533809,0.7589283695830076,0.7387863610636329,0.7093898748663577,0.7042015225346266,0.6923310746188679,0.6918497200095998,0.6708923594766047,0.6143792763340523,0.5711849319990745,0.5547422320082694,0.5098921413849155,0.507234177462507,0.5026147809913412,0.49827058825185727,0.47823249105823573,0.4709279698836505,0.4668154050936768,0.4557255097564218,0.43654825285332,0.43599255732599074,0.4216695246180667,0.4146037038290636,0.4097667451610391,0.39763835696381883],"twin_dists":[0.07849179826816306,0.09646586653759405,0.10105979282059573,0.10762356550559939,0.10876795788320727,0.11137311009822239,0.11147839459990914,0.11603928559113037,0.12819379378537452,0.13745142257423643,0.14099031258168884,0.15073903090628588,0.15132272744190464,0.15233909159653927,0.15329723427438516,0.15774894204026765,0.15938622584730805,0.16031177459240362,0.16282185857091958,0.1672162510313208,0.16734468611198056,0.17067834032597148,0.17234027806309912,0.17348501546906947,0.1763820183602566],"n_dims_used":45,"mean_confidence":0.9146848890516494},"coverage":{"mean_confidence":0.9146848890516494,"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}}