{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001238},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001770","490:4900002400","490:4900002677","490:4900002225","490:4900001775","490:4900001769","490:4900001236","490:4900003118","490:4900003401","490:4900001774","490:4900002678","490:4900001498","490:4900001635","490:4900002072","490:4900003533","491:4910001208","490:4900002071","490:4900002528","490:4900001913","490:4900004495","490:4900001633","490:4900001916","490:4900002376","490:4900001931","490:4900001921"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7542036732206193,0.4164648528815487,0.38883886842556215,0.3719368841903573,0.3602057156397814,0.2886094422314976,0.2697021252198194,0.25489054305347064,0.21731582121579907,0.2105673367735875,0.19364604451729298,0.18391667697952704,0.18302766317853497,0.17947932914168938,0.16369210479459315,0.15336369063607755,0.1415417747673218,0.13608408482094375,0.1335551098909317,0.13335500707677422,0.12439064453489158,0.11356998660149586,0.096603437271686,0.0846961347576745,0.08207912047397525],"twin_dists":[0.09755170471337213,0.17190135406972762,0.17850918664319454,0.18266015388813614,0.185596047962875,0.2047475239053224,0.21025529675836716,0.21473882020131133,0.22692039601737674,0.22925328745351659,0.23533624781249463,0.23900240286113986,0.23934412586567652,0.24071984744029173,0.24708722927394974,0.251497048102815,0.25682070726846995,0.25939042378722205,0.2606073952636321,0.26070442354852263,0.2651684849152445,0.2708956420578184,0.28078978025102086,0.2885836423829469,0.2904123415253182],"n_dims_used":45,"mean_confidence":0.9134169684516059},"coverage":{"mean_confidence":0.9134169684516059,"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}}