{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000748},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000911","477:4770003700","499:4990000759","477:4770003646","499:4990000241","477:4770003757","499:4990000833","477:4770003998","499:4990001286","499:4990000822","499:4990000838","477:4770003645","499:4990000606","499:4990001002","477:4770003713","499:4990000753","499:4990000588","477:4770003761","477:4770003768","499:4990000400","477:4770003956","499:4990000599","499:4990001282","499:4990000589","499:4990000399"],"twin_admin_codes":[499,477,499,477,499,477,499,477,499,499,499,477,499,499,477,499,499,477,477,499,477,499,499,499,499],"twin_sims":[0.9123281422497809,0.8964610026580605,0.8702942785220933,0.8656917306266415,0.8656619645238958,0.8441635420218085,0.8255048700402008,0.8249329054947294,0.82329049235229,0.8228765127461997,0.8181918543729446,0.8177908803016425,0.8055567337520627,0.8043228830918606,0.8042249312279753,0.7969834243350487,0.7881094734927351,0.7866343048415244,0.7855865390914316,0.7819420047981468,0.7779535435272347,0.7713490652202011,0.7680547459198542,0.7663821657215895,0.7656598661048986],"twin_dists":[0.055635886422924295,0.060722534643366174,0.06845848528178977,0.06975273327723229,0.06976104759757691,0.07559744638853325,0.08042998468085694,0.08057520847209257,0.08099133244564743,0.08109601242753564,0.08227493501078613,0.08237536946602397,0.08540600910320288,0.08570820660769911,0.08573217137951163,0.08749365698439328,0.08962624593092175,0.08997814865217983,0.09022765960310415,0.09109280326475613,0.09203483297695125,0.09358432654670834,0.09435258860565897,0.09474151532637837,0.09490924111420541],"n_dims_used":45,"mean_confidence":0.925433349609375},"coverage":{"mean_confidence":0.925433349609375,"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}}