{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002175},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002339","490:4900002184","487:4870002299","490:4900001588","487:4870002302","490:4900001590","487:4870001782","487:4870001867","496:4960004966","496:4960008136","490:4900002939","490:4900004569","490:4900001734","496:4960011461","490:4900002018","493:4930005256","493:4930006960","490:4900001736","496:4960005421","487:4870006895","496:4960006630","487:4870002894","487:4870003021","487:4870001866","490:4900007864"],"twin_admin_codes":[490,490,487,490,487,490,487,487,496,496,490,490,490,496,490,493,493,490,496,487,496,487,487,487,490],"twin_sims":[0.7672936296068679,0.627491752621669,0.4695814344062271,0.45776521308268153,0.43530708641208554,0.4198055367721541,0.4182696869625186,0.3971210520515104,0.39564903396460516,0.3914700163423648,0.38685343059798033,0.3770060372004687,0.37281798775392155,0.3701711902507335,0.3645822318088622,0.3555449799796782,0.3487628988259426,0.34279023864105007,0.3390190815039901,0.3316844210289248,0.3293964988775237,0.32446526715337853,0.32102940247694567,0.31823323084316285,0.3152260102124373],"twin_dists":[0.09452966499576147,0.12538435079498625,0.15968896570298213,0.16235857503938234,0.16750320524913823,0.17111560647092403,0.17147651450144197,0.176506464429837,0.17686098996943417,0.17787081333790486,0.1789922428441542,0.18140579754216876,0.18244152494213708,0.18309904977355534,0.1844952142916642,0.18677590544842018,0.18850716653716576,0.19004650199418838,0.19102580349566853,0.19294744984062764,0.19355160376808925,0.19486166419705783,0.19578100280563446,0.19653325051253795,0.19734644414553246],"n_dims_used":45,"mean_confidence":0.9130533854166667},"coverage":{"mean_confidence":0.9130533854166667,"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}}