{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000015},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000028","490:4900000189","490:4900000191","490:4900000045","487:4870003683","496:4960008387","490:4900000353","490:4900000247","490:4900000356","496:4960009182","490:4900000358","490:4900000294","487:4870003829","490:4900000731","487:4870003270","490:4900001728","490:4900000083","490:4900000523","496:4960008161","487:4870003826","496:4960009082","490:4900000431","490:4900001196","487:4870003687","487:4870003134"],"twin_admin_codes":[490,490,490,490,487,496,490,490,490,496,490,490,487,490,487,490,490,490,496,487,496,490,490,487,487],"twin_sims":[0.7757661083868077,0.5319903266234421,0.5139018343169778,0.4620973621066698,0.44900076095572394,0.41295698888979837,0.40237744798761277,0.40218502784958965,0.3984320881479423,0.3938296092286072,0.3861120141701006,0.37487443237487394,0.3642688991655523,0.3571627270570826,0.35605383127113116,0.3515679636741968,0.350255283322208,0.3447753079453077,0.34375816466275017,0.3394149517117692,0.3361295745799905,0.33421919531207206,0.3274864847727536,0.32104875925094184,0.3177765004912491],"twin_dists":[0.09254944010877683,0.14591443128641846,0.1498599660410525,0.16137705123367443,0.1643546829159514,0.1727293412170829,0.17524536889156775,0.17529140142308594,0.17619121745600225,0.177300027255316,0.17917292971162116,0.18193224600816413,0.18457380422690248,0.18636548009732765,0.18664670535914052,0.18778900880253807,0.18812470873306386,0.189533324816009,0.18979607835186196,0.19092272974502442,0.19178012417367565,0.19228076648883857,0.19405773511740526,0.19577580813542028,0.1966564763302897],"n_dims_used":45,"mean_confidence":0.91754150390625},"coverage":{"mean_confidence":0.91754150390625,"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}}