{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000722},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001074","490:4900000729","496:4960008384","490:4900001081","490:4900000508","496:4960009284","490:4900000269","496:4960008147","490:4900000344","490:4900000523","496:4960009283","496:4960006760","490:4900000477","490:4900000618","496:4960007932","490:4900000520","490:4900000513","490:4900000181","490:4900000615","490:4900000829","490:4900000727","490:4900002496","490:4900000048","490:4900000418","496:4960008276"],"twin_admin_codes":[490,490,496,490,490,496,490,496,490,490,496,496,490,490,496,490,490,490,490,490,490,490,490,490,496],"twin_sims":[0.35923527088433954,0.3520789767172692,0.31942664028307516,0.3175195578382868,0.30358112885635447,0.2939988420175441,0.27610997672138216,0.27506856077277303,0.2715323903130946,0.2708443879836407,0.2529410139361999,0.24489303948434107,0.23800705526696345,0.2316320373231798,0.2259516979489089,0.19855102011317477,0.19478007947494969,0.1939493373076103,0.1938185841396268,0.18496877245052062,0.1835463778960768,0.18328701919891222,0.18010131567476767,0.1792717785221276,0.17737686069314884],"twin_dists":[0.18584106613294385,0.18765850122961136,0.1962117379696417,0.1967258433304634,0.20053784909238476,0.20321763200612208,0.20836304611673656,0.2086687289007595,0.20971201845704845,0.2099159724857694,0.21534106177253462,0.2178590802856413,0.22005621024029598,0.22212753766402263,0.22400499382689656,0.23353651583132964,0.23491736283074546,0.23522405217229397,0.23527240609176162,0.23859949434781194,0.23914459819664716,0.23924431276188704,0.24047731505738146,0.24080091059509015,0.24154410731430606],"n_dims_used":45,"mean_confidence":0.9162527296278212},"coverage":{"mean_confidence":0.9162527296278212,"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}}