{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":477,"cluster_id":4770001257},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["477:4770001256","477:4770001613","477:4770001186","477:4770001308","477:4770002200","500:5000001122","477:4770001605","489:4890001696","477:4770001762","489:4890002444","477:4770001533","477:4770001541","477:4770001485","489:4890002442","489:4890001794","489:4890002691","477:4770000649","489:4890002956","477:4770000895","477:4770001651","489:4890003107","477:4770000161","477:4770001603","477:4770000993","489:4890001781"],"twin_admin_codes":[477,477,477,477,477,500,477,489,477,489,477,477,477,489,489,489,477,489,477,477,489,477,477,477,489],"twin_sims":[0.7697496767513266,0.6875994905194269,0.664825671964785,0.6609526165548254,0.6549523412097981,0.6499820225791629,0.6334779357731629,0.5981793073460695,0.5873107516527509,0.5768114988981841,0.5691527694658425,0.5687951347287442,0.5581078298886276,0.5559198469329008,0.5548636616856241,0.5537623333957618,0.5518141545324595,0.5468431731104153,0.5463214951317674,0.5367959398018323,0.5291090356574322,0.5251363988843183,0.5175108100071241,0.5019379598260122,0.5001432997339806],"twin_dists":[0.09395769081333047,0.11240691217970337,0.11735227841473218,0.11818908394963011,0.11948351296385401,0.12055410998173151,0.12410050723401975,0.1316628485465047,0.13399135304510826,0.13624319748564548,0.13788810381867364,0.13796497210193667,0.14026481808020988,0.1407363900783339,0.1409641256366696,0.14120166479032994,0.14162203542101406,0.14269574421906867,0.14280851901158936,0.14487116381402074,0.1465408724869174,0.14740579723630706,0.1490702131962859,0.15248821817873592,0.1528839108586861],"n_dims_used":45,"mean_confidence":0.922367180718316},"coverage":{"mean_confidence":0.922367180718316,"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}}