{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002190},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003468","489:4890002418","489:4890001744","470:4700004666","489:4890002311","488:4880006404","479:4790000059","489:4890002273","479:4790001120","477:4770000823","470:4700008510","489:4890002091","489:4890002750","489:4890002081","489:4890002163","489:4890003333","488:4880000152","489:4890002353","489:4890002586","489:4890003535","489:4890003168","472:4720000934","470:4700006025","489:4890002150","489:4890001821"],"twin_admin_codes":[489,489,489,470,489,488,479,489,479,477,470,489,489,489,489,489,488,489,489,489,489,472,470,489,489],"twin_sims":[0.40958494814149604,0.3925340426377877,0.38880700897976733,0.3855226970072725,0.3488845841186166,0.3432048002925836,0.33863777077282126,0.32750330143951717,0.32170374771070426,0.32038279204649933,0.3174275650409637,0.3166832790900506,0.31127099043916984,0.3088420415227414,0.2957165162894284,0.286609151350277,0.2833574164557051,0.2802496326094802,0.27887556385463474,0.276692654299928,0.2737365804744992,0.2700741017213389,0.26332396827382526,0.26260415467262693,0.26202828556064706],"twin_dists":[0.1735281552698802,0.17761322755344433,0.17851692883706105,0.17931666670126864,0.18847594977560905,0.18993919979275048,0.1911251475724673,0.19405327180675988,0.19560013571909524,0.19595463099873187,0.19675068639225937,0.1969518337487364,0.1984226645533486,0.19908749239345472,0.2027335337803317,0.20531968014208477,0.20625493412184706,0.2071548578748137,0.20755467734317265,0.20819232261360565,0.20906073521038843,0.2101446988784964,0.21216659617091962,0.21238410257519832,0.21255838209255778],"n_dims_used":45,"mean_confidence":0.9178170945909289},"coverage":{"mean_confidence":0.9178170945909289,"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}}