{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001796},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001681","480:4800002075","480:4800001739","480:4800001724","480:4800001794","480:4800001960","480:4800001737","499:4990000583","493:4930004677","480:4800001901","480:4800001912","499:4990000819","480:4800004955","480:4800002487","480:4800001959","480:4800002021","468:4680007362","480:4800001913","499:4990000102","488:4880003212","493:4930006538","480:4800001970","493:4930006214","493:4930004365","480:4800002389"],"twin_admin_codes":[480,480,480,480,480,480,480,499,493,480,480,499,480,480,480,480,468,480,499,488,493,480,493,493,480],"twin_sims":[0.2678707375015572,0.2615910017937995,0.2156631128827953,0.21037245310174066,0.2094492101832057,0.2004285961078883,0.19593354247570222,0.17720981869779914,0.17612429484002026,0.1603774490571868,0.15165949922075656,0.1510334974122713,0.1486622207574568,0.1397961587145597,0.13836255975641007,0.13755974440069593,0.1255857489074405,0.1249861610109167,0.11431772258465858,0.10765567381824183,0.10545815530580878,0.10458175772623399,0.1026314870295746,0.1022133200482217,0.10213228682363365],"twin_dists":[0.21080119532785965,0.2126908808895436,0.22748714886251567,0.22932140407602014,0.2296446841420344,0.23285573647477245,0.23449303515813416,0.2416098920886549,0.24203847330099917,0.2484798107465636,0.2522453712751356,0.2525218046093251,0.25357663694449645,0.25763444820997267,0.2583084249537299,0.2586881332795234,0.2645595584285002,0.26486450609101586,0.2704867275572708,0.27420545094728616,0.27547116826511137,0.2759816746329366,0.27712978921295645,0.2773781741632395,0.2774263984141667],"n_dims_used":43,"mean_confidence":0.919074302495912},"coverage":{"mean_confidence":0.919074302495912,"n_dims_used":43,"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}}