{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000052},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000067","489:4890000003","489:4890000066","489:4890000085","489:4890000093","489:4890000107","489:4890000255","489:4890000094","489:4890000063","489:4890000179","489:4890000088","489:4890000042","489:4890000106","489:4890000091","489:4890000026","489:4890000213","489:4890000081","489:4890000141","489:4890000050","489:4890000025","489:4890000250","489:4890000209","481:4810006063","489:4890000034","481:4810005999"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,481,489,481],"twin_sims":[0.8413305038045629,0.7618765227262079,0.7511641975766895,0.6952988168689158,0.6623143718421042,0.6538456285989928,0.5711279463279475,0.5542895557251933,0.5243187075502318,0.5108236579804412,0.4920680164506173,0.46729189162363766,0.46261212163919585,0.4536784370320564,0.4337156739775913,0.4262046957941441,0.4254894806967256,0.42498380942888575,0.4165512075371689,0.4164052544660432,0.40975740113052833,0.40301097613308634,0.4000069025496803,0.3966930742646324,0.39256005174222736],"twin_dists":[0.07634382219756183,0.09578554341399885,0.09824745512959449,0.1107234007089848,0.11789498549247114,0.11972201869239357,0.13746366562647008,0.14108794225735133,0.14758400486813608,0.15053465374413985,0.15466937238266115,0.16020439750064067,0.16126064085227645,0.1632875749284721,0.1678716134711848,0.1696178248183825,0.16978475914012073,0.16990285525807916,0.17188100912686805,0.1719153963647022,0.1734872325698635,0.17509388044618987,0.17581316870071656,0.17660947761272794,0.1776069351905283],"n_dims_used":44,"mean_confidence":0.912656610662287},"coverage":{"mean_confidence":0.912656610662287,"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}}