{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000781},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000779","500:5000002395","477:4770001949","485:4850006900","485:4850008912","500:5000000839","500:5000001497","500:5000001458","500:5000000504","477:4770001887","485:4850007758","500:5000001924","500:5000001734","477:4770000456","477:4770001650","500:5000000516","485:4850003199","485:4850007044","485:4850006104","485:4850008083","485:4850007958","500:5000000836","500:5000004865","477:4770001757","500:5000000407"],"twin_admin_codes":[500,500,477,485,485,500,500,500,500,477,485,500,500,477,477,500,485,485,485,485,485,500,500,477,500],"twin_sims":[0.7742486340409415,0.4590306195690157,0.24100978204395412,0.2387101589347972,0.2196949701413143,0.214452887354656,0.1960387034603445,0.18257381101148165,0.17884145868656823,0.17053582866548403,0.16674812030762018,0.15626516874970628,0.1562181699892529,0.15352788609502208,0.15147906772865405,0.14974550678588433,0.14085533674326062,0.13150407273322987,0.12787143480817414,0.12468252593777497,0.12449552425901168,0.12332209741043501,0.1221953763033871,0.12173782062285271,0.12113198881650905],"twin_dists":[0.09290560794015665,0.16207153384212106,0.2190931217705302,0.21982999274636944,0.2261095946216446,0.22790402298161824,0.23445443555649298,0.23951903116075166,0.24096919312681866,0.24427522382199873,0.2458212797326833,0.2502368907343481,0.2502571660815472,0.25142527148526167,0.2523249610307082,0.25309322475628954,0.2571398021737915,0.2616071605496375,0.2634071009689273,0.26501935746460425,0.2651148693994518,0.2657167051995487,0.2662987019317797,0.2665362155741133,0.26685174793820277],"n_dims_used":45,"mean_confidence":0.9211060418023004},"coverage":{"mean_confidence":0.9211060418023004,"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}}