{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004356},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003518","490:4900003651","490:4900003654","490:4900003129","490:4900003794","490:4900003127","490:4900003125","490:4900004493","490:4900003120","490:4900003657","490:4900003519","490:4900002991","490:4900003254","490:4900003131","490:4900003396","490:4900003259","490:4900003266","490:4900004355","490:4900002995","490:4900003527","490:4900004365","490:4900003256","490:4900004354","490:4900001376","490:4900002990"],"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":[0.6996905484002734,0.5496572789933255,0.5001804710631603,0.43025937984795853,0.404676097932583,0.3713573916699371,0.37083334432807097,0.36673050965859216,0.25351505196969754,0.22464384305401744,0.22236560022566734,0.21422533154258425,0.20880837954779344,0.20101849050296103,0.19892538212250765,0.1980422282083726,0.19700355450164547,0.1908766951548819,0.18907857697193803,0.1843215083483239,0.17526483810943977,0.1615401623340617,0.1558787637637013,0.15031151721506408,0.14652479751527936],"twin_dists":[0.1097600197294176,0.14208771353366875,0.15287571121363855,0.1686736165796491,0.17469622800890883,0.18280408342663426,0.18293433775480367,0.183957297970964,0.21516342655311044,0.22444168133347583,0.22520643572371027,0.22798258405443034,0.2298696457455546,0.2326427580185889,0.2334004246455557,0.23372176053316399,0.23410095246590543,0.23636640286004112,0.23704087149216846,0.23884717774817,0.24237913579250125,0.24798896443949717,0.2504037190076968,0.25284166903376715,0.25453813127895486],"n_dims_used":45,"mean_confidence":0.9208609686957465},"coverage":{"mean_confidence":0.9208609686957465,"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}}