{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009591},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008069","490:4900009797","490:4900010094","490:4900009697","490:4900007955","490:4900011355","490:4900011487","490:4900012085","490:4900008407","490:4900008735","490:4900009285","490:4900009914","490:4900011815","490:4900012084","490:4900010110","490:4900011486","490:4900011749","490:4900011816","490:4900009066","490:4900011946","490:4900011417","490:4900003559","490:4900007840","490:4900008070","490:4900008739"],"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":[0.5163240066139091,0.49525604149987834,0.468579674348246,0.4592786377097521,0.4565831027124948,0.45423244604984137,0.4267359229628779,0.4144699439840366,0.40504735648511914,0.39998472867449053,0.3916794764068543,0.3753226149807827,0.36424625275265043,0.3504461352447966,0.3485725016791908,0.32621375128301117,0.31891497920361833,0.31372150200852145,0.2954721572885149,0.2888860219943839,0.2833166474435348,0.2800645031274785,0.2613449987155036,0.25587036999349927,0.24895870291614558],"twin_dists":[0.14932977256053614,0.15396349539402873,0.15991438070533295,0.16201530737693542,0.16262697980703333,0.1631614601561531,0.1694939090986837,0.1723718560006779,0.17460766669852223,0.17581848703795755,0.17782008022515916,0.1818214357454747,0.18457948571070665,0.18807586017045835,0.18855602190435775,0.1943958995076835,0.19634950001548288,0.19775493291894472,0.20280230088003237,0.20466859890396402,0.20626670090653595,0.20720865637873398,0.21276548189711816,0.21443723887263927,0.2165805149429499],"n_dims_used":45,"mean_confidence":0.917896016438802},"coverage":{"mean_confidence":0.917896016438802,"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}}