{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002638},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002786","490:4900004179","490:4900002615","490:4900004034","490:4900003894","490:4900001994","490:4900002171","490:4900001847","490:4900003337","490:4900001700","490:4900008643","490:4900003892","490:4900004445","490:4900002637","490:4900001720","490:4900002603","490:4900003069","490:4900002176","490:4900003458","490:4900001704","490:4900004305","490:4900002466","490:4900000464","490:4900001573","490:4900001893"],"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":[0.8042373868723132,0.629191734005681,0.6084319035154355,0.5606964697508268,0.5523464144406437,0.5137941916512719,0.46698730401757066,0.46424839759644176,0.45427939856698374,0.448723407078595,0.4432524741977344,0.44321206959093157,0.4422790175242811,0.4388403214252812,0.42515478801703815,0.4209028400249195,0.4168488830522808,0.4143428388939859,0.4053213465425444,0.39838954398069115,0.38442456552624776,0.3817370988137752,0.37750612309454085,0.3754949473573882,0.37279518035431797],"twin_dists":[0.08572912420806358,0.12501986166992768,0.12946737865925162,0.13970723281604758,0.14150716331635033,0.14988354245053587,0.1602730325260945,0.16089090626486327,0.16315077446512036,0.16441808494891302,0.1656717722456305,0.16568105306929168,0.16589546342864622,0.16668717933626803,0.1698629178335744,0.17085809503955848,0.171810891376332,0.17240186697052445,0.17454233141206632,0.17620144001780147,0.17958478479691267,0.18024250025430857,0.1812825005265748,0.1817788449318982,0.1824471809429726],"n_dims_used":45,"mean_confidence":0.9176715426974826},"coverage":{"mean_confidence":0.9176715426974826,"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}}