{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004351},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002824","490:4900003948","490:4900001921","490:4900003668","490:4900003117","490:4900002676","490:4900003138","490:4900004222","490:4900002078","490:4900002683","490:4900001371","490:4900004083","490:4900002228","490:4900003944","490:4900003658","490:4900002997","490:4900003931","490:4900002231","490:4900002230","490:4900002533","490:4900002380","490:4900002382","490:4900001117","490:4900002528","490:4900003665"],"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":[0.4704131516677444,0.4473657335814452,0.3319386401316924,0.28573290483611663,0.260122384432597,0.2484925420029442,0.21335544950580393,0.2120239482228123,0.1744987327194056,0.1642092521594404,0.15975996717591437,0.15964427687766253,0.1523198831111558,0.14076564701956648,0.13076086195364137,0.12711638014718313,0.12570068635362894,0.11412967924878094,0.11082574072312737,0.10957463084092771,0.10634847351872155,0.1041065664103409,0.09680208371450685,0.09613264457373633,0.09200537214757491],"twin_dists":[0.15950193726176293,0.1647286571507912,0.19288046126010483,0.20557107263193367,0.213136897999517,0.21672642912182824,0.22828342182136774,0.22874551604519514,0.24268380195979242,0.2468718081883635,0.24874153636786164,0.24879065460543762,0.2519546627027325,0.2571815804765539,0.2619723329859893,0.26378606513529324,0.26450122807096865,0.27058936862414,0.27241440515803783,0.27311646825702846,0.2749559204580316,0.27625986987817946,0.28066635502547255,0.28108309720831764,0.2837041697692206],"n_dims_used":45,"mean_confidence":0.9182520548502604},"coverage":{"mean_confidence":0.9182520548502604,"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}}