{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012106},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011242","490:4900011241","490:4900012173","490:4900011170","490:4900012108","490:4900012171","490:4900009825","490:4900009727","490:4900009828","490:4900010149","490:4900010652","490:4900008442","490:4900011310","490:4900012107","490:4900009418","490:4900010412","490:4900008441","490:4900007890","490:4900008220","490:4900008332","490:4900010653","490:4900006676","490:4900012172","490:4900006678","490:4900011309"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6472197130278554,0.3767345672840699,0.31848920351262566,0.29562760838743124,0.2278389135488699,0.1896709420186591,0.11550203567416487,0.10332452371634356,0.08440292517183597,0.07310884829449343,0.06064085827294446,0.051103129820098014,0.03009942524078242,0.029119135656313345,0.026908209473380056,0.013091692885506288,0.010977991744829317,0.010374581255137513,0.00949686094313483,0.006912429772908023,0.006874562712772521,0.005069281501396667,0.0036005675627474283,0.003488014287730422,0.0027507267280816286],"twin_dists":[0.1211485277380853,0.18147276228273815,0.19646423266936122,0.20275855021316266,0.22337780701944748,0.23681818381360095,0.269843252631051,0.2767198691407399,0.28878626641088995,0.29705823714514173,0.3074920157427206,0.3167398601360196,0.34377505471214764,0.34539580828995264,0.34923072640792974,0.38244794497601736,0.39013668055528206,0.39257328542886255,0.39635318784388196,0.40964785357117467,0.4098739742604759,0.42222418286191793,0.4356766922107802,0.43690451900203936,0.4459781022490896],"n_dims_used":45,"mean_confidence":0.8912339952256945},"coverage":{"mean_confidence":0.8912339952256945,"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}}