{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008653},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910004694","490:4900008654","487:4870001614","491:4910004093","491:4910003582","487:4870010608","491:4910003944","491:4910004474","491:4910004608","491:4910003941","487:4870010479","490:4900008765","491:4910003774","491:4910004742","497:4970003374","665:6650002056","497:4970003349","487:4870009429","491:4910003568","491:4910003920","487:4870008581","487:4870001601","491:4910000730","487:4870008428","491:4910004090"],"twin_admin_codes":[491,490,487,491,491,487,491,491,491,491,487,490,491,491,497,665,497,487,491,491,487,487,491,487,491],"twin_sims":[0.16055895821881627,0.12059725797260488,0.06794643234504444,0.05953105615566533,0.058673101011683396,0.04473355097347107,0.04261642773978048,0.037481733735118664,0.03657007545676107,0.032639286145258274,0.03160082796013647,0.028919459885273707,0.027940685776636182,0.027430560680590244,0.026913594264705895,0.024871896769863747,0.024391529226105785,0.023444867339622838,0.02271345861313146,0.021102495089254925,0.018346326796788614,0.017707868961202678,0.016784747252684147,0.015837661693066003,0.015657580679360385],"twin_dists":[0.24840301568242065,0.267131251275832,0.30118762468650884,0.3085035602744375,0.30929624296790076,0.3237514115085541,0.3262676395383113,0.33283877067576945,0.33408428950746616,0.33977700816769285,0.34137834264668504,0.34573166939516387,0.34740740195842823,0.34830088267862064,0.3492210618525026,0.3530110293426791,0.3539416659657472,0.3558230887210599,0.3573223454879028,0.36077832844882457,0.36726364401368466,0.3688868099133158,0.37132679498210774,0.37395574290760625,0.37447119223743663],"n_dims_used":44,"mean_confidence":0.8876326300881126},"coverage":{"mean_confidence":0.8876326300881126,"n_dims_used":44,"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}}