{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000549},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000441","480:4800000655","480:4800000657","480:4800000437","480:4800000656","480:4800000690","480:4800000678","480:4800000680","480:4800000654","480:4800000546","480:4800001042","480:4800000677","480:4800000611","480:4800000470","480:4800001043","480:4800000542","480:4800000411","480:4800001089","480:4800001194","480:4800000612","480:4800000447","480:4800000651","480:4800000414","480:4800000799","480:4800000714"],"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":[0.5805607755164395,0.5599611610606074,0.5424878184607538,0.48292511993894566,0.48179916931151273,0.47423256097390604,0.4501196210802001,0.44247175911156483,0.43877248180270967,0.43390403686974494,0.4227217487696248,0.41386832999283596,0.40716153189319887,0.3866766538803115,0.3784080669341093,0.3753272155631175,0.370128189547044,0.3665078403885318,0.3491154752230447,0.34756115832167944,0.3384540971513007,0.3348958759292181,0.31173699385502196,0.3083529192906248,0.3080618521797276],"twin_dists":[0.13543870330895647,0.1398655797127338,0.1436378536527584,0.15670137773110795,0.15695243537185483,0.15864448440547685,0.1640990647941095,0.16585115813081533,0.16670282289601165,0.16782797969339117,0.17043186257176843,0.17251393917508348,0.1741040322528938,0.17903530929659098,0.1810603255100847,0.18182029861740592,0.1831097513333817,0.1840129793612928,0.18841673341197648,0.1888157653235814,0.1911730221182731,0.19210325542381793,0.19829545456408584,0.19922173254734962,0.19930167435774382],"n_dims_used":43,"mean_confidence":0.9164500569188317},"coverage":{"mean_confidence":0.9164500569188317,"n_dims_used":43,"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}}