{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003083},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003204","490:4900004013","490:4900000833","490:4900003610","490:4900001875","490:4900004580","490:4900001337","470:4700002956","490:4900003208","490:4900000519","490:4900003464","490:4900008985","480:4800003893","487:4870011570","490:4900001460","487:4870004413","490:4900001336","494:4940008753","490:4900001077","490:4900001210","493:4930007156","490:4900003218","490:4900000950","490:4900000251","490:4900002165"],"twin_admin_codes":[490,490,490,490,490,490,490,470,490,490,490,490,480,487,490,487,490,494,490,490,493,490,490,490,490],"twin_sims":[0.5143170967594874,0.4290686671104892,0.4075744957117977,0.4058263651688741,0.4057660711642272,0.3949498092208504,0.39397123858226824,0.38504353995892654,0.3735658048670602,0.34916899006947777,0.3336469193896858,0.32538288679187155,0.3216384942332511,0.30964995397449746,0.3074739208516841,0.3005723641155042,0.289273308453915,0.28841783487061357,0.28738454505021044,0.2873732791556345,0.28068369954065875,0.27845514749081945,0.27563619542984247,0.2696138929595408,0.26749311112974156],"twin_dists":[0.14976902478796245,0.16895051628433555,0.17400579266730407,0.1744219569932471,0.17443632494251513,0.17702960620463756,0.1772658176849784,0.17943361216950168,0.18225616836051542,0.18840301145869603,0.192431042042798,0.19461705372231403,0.19561762817191797,0.19886602703738232,0.1994632828333908,0.20137387846404123,0.20455815836922947,0.20480222762757128,0.20509760627858586,0.20510083027443302,0.20702880282125316,0.20767724719642758,0.20850202565386977,0.21028154424509865,0.21091404537208347],"n_dims_used":45,"mean_confidence":0.9176267835828993},"coverage":{"mean_confidence":0.9176267835828993,"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}}