{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001049},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001431","489:4890001434","489:4890001359","489:4890001171","489:4890001161","489:4890001287","489:4890001366","489:4890001433","489:4890001296","489:4890001439","489:4890001292","489:4890001435","489:4890001050","489:4890001231","489:4890001167","489:4890001352","489:4890001290","489:4890001428","489:4890001168","489:4890001048","489:4890001239","489:4890001160","489:4890001357","489:4890001354","489:4890000990"],"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":[0.8973092227446804,0.7782170909809316,0.7664575118867826,0.6805426301012479,0.6672216124889944,0.6528915617163698,0.6094954840498563,0.5979239554301095,0.5975705458037226,0.5911056878306202,0.5894438069780729,0.5793272847320741,0.5547422320082694,0.5388084775675418,0.510235953879082,0.5092858527941009,0.4739168551994106,0.4563712872992378,0.443966316429803,0.419122997808748,0.4080051117528688,0.4064369119848419,0.39355454322089,0.3913785100345717,0.37410366963431574],"twin_dists":[0.06045925815023041,0.091972735549332,0.0947240111410522,0.11394438997247665,0.11683407178439419,0.11992757066129946,0.1292396338030156,0.13171753688221943,0.13179322716504366,0.13317809554953491,0.13353420263365295,0.13570332828565798,0.14099031258168884,0.14443480650397156,0.15066358639891855,0.15087210383713032,0.15871527272264777,0.1626751002181691,0.16550785838980236,0.1712759263015675,0.1739034007525378,0.17427651833186256,0.17736648380247652,0.17789298096622486,0.18212296422515717],"n_dims_used":45,"mean_confidence":0.9146697150336371},"coverage":{"mean_confidence":0.9146697150336371,"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}}