{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890005394},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770002835","477:4770003377","477:4770003230","499:4990000001","489:4890005228","477:4770002988","489:4890005284","477:4770003068","477:4770002833","477:4770003158","489:4890005038","477:4770002994","477:4770003447","477:4770003157","477:4770003235","477:4770002911","477:4770002477","489:4890005314","477:4770003238","477:4770002834","489:4890005094","477:4770002991","477:4770003306","477:4770003232","477:4770002615"],"twin_admin_codes":[477,477,477,499,489,477,489,477,477,477,489,477,477,477,477,477,477,489,477,477,489,477,477,477,477],"twin_sims":[0.6802543723609408,0.6556528998874575,0.6413131769015045,0.628071311035958,0.6237300598700134,0.613438882373814,0.5928740519024321,0.5818683719609805,0.5777734182805355,0.575742960015315,0.568356723341436,0.559784183911351,0.5411961017712822,0.5385479306502562,0.5359290810906558,0.5209713600940753,0.5172235205163511,0.5061621536288203,0.5037295196887395,0.4963524039648732,0.4860235309772397,0.4762120898356304,0.47328798168007896,0.4724070459131183,0.4667583944139415],"twin_dists":[0.11400708786049175,0.1193324990721474,0.12241831194300233,0.12526009738693733,0.1261906394350683,0.1283951873298304,0.13279922503155847,0.13515822954878098,0.13603675222453343,0.13647256211603148,0.13805920964063634,0.1399036955618344,0.143917526969214,0.1444912803644115,0.14505921408511757,0.1483141863735503,0.14913303150091178,0.15155837382766152,0.15209359636253936,0.15372104878111376,0.1560114529700852,0.15820098216171513,0.1588563267503637,0.15905402202158758,0.16032462457163504],"n_dims_used":44,"mean_confidence":0.9191237362948331},"coverage":{"mean_confidence":0.9191237362948331,"n_dims_used":44,"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}}