{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002466},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001811","480:4800002419","480:4800002463","480:4800002329","480:4800001750","480:4800001978","480:4800001695","480:4800002029","480:4800002366","480:4800002283","480:4800001813","480:4800002316","480:4800002510","480:4800002137","480:4800002085","480:4800001870","480:4800002368","480:4800001869","480:4800001586","480:4800001469","480:4800001355","480:4800001697","480:4800002043","480:4800002418","480:4800001413"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.8879221083350095,0.8876506188182741,0.8684601890062689,0.8332713566301764,0.793343934761615,0.7828265667121493,0.7781515878056777,0.7629449837010256,0.7419768353524102,0.7381718661523881,0.7365098466777503,0.7326918296669757,0.7251508438297862,0.7213128496175087,0.7173247407873596,0.7157846279346228,0.6998135860084796,0.6872677339971239,0.6870893679113441,0.6559925759056036,0.6544757984532211,0.6478716666121712,0.6411310551209,0.6400490047497214,0.639216690295783],"twin_dists":[0.06332530192627184,0.06340670409517044,0.06897632263510006,0.07844159529261276,0.08837163220814716,0.09088321271408344,0.09198817145131954,0.09553844042719063,0.10033798210521988,0.10119858061585259,0.10157358585890044,0.10243303630226068,0.10412266715940907,0.10497881422291545,0.1058658919844549,0.10620778819553858,0.10973299566458766,0.1124793063443334,0.11251822363754653,0.11925926711154021,0.1195862207357654,0.12100826984190778,0.12245743973161399,0.12268988351673385,0.12286864724404532],"n_dims_used":42,"mean_confidence":0.9116494315011161},"coverage":{"mean_confidence":0.9116494315011161,"n_dims_used":42,"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}}