{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009320},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009321","490:4900009113","490:4900009228","490:4900009111","490:4900009318","490:4900008446","490:4900009731","490:4900009138","490:4900009533","490:4900011652","490:4900009216","490:4900008883","490:4900009219","490:4900008464","490:4900009224","490:4900008889","490:4900008335","490:4900009226","490:4900009215","490:4900009665","490:4900008881","490:4900008591","490:4900007766","490:4900009024","490:4900008677"],"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":[0.4640201131830579,0.2603456735264277,0.16010229032277992,0.10628514558788536,0.0854085122847398,0.07494048710145833,0.06545764597908846,0.06341773696886079,0.06028256007540134,0.05254587600882207,0.03658984468042752,0.020159070117261944,0.01885398490454827,0.018721502874067517,0.018681017530365843,0.018171754765503877,0.018168327669969796,0.015734962895527425,0.014894886265496591,0.014254505356620989,0.013062153018972658,0.01281569867116407,0.012810203125638915,0.011512058155474165,0.011315469542702237],"twin_dists":[0.16094246227058404,0.2130689836255795,0.24859634875192588,0.27499245882531637,0.28809367024016835,0.29564984898643176,0.3032702471600835,0.30502602526756073,0.3078169159160981,0.31525376081832596,0.33405700250853565,0.362910358233247,0.36600791898613216,0.36633274341486,0.3664324078037704,0.367702488226897,0.367711140222976,0.3742490640678246,0.3767138101957178,0.37867633490339425,0.3825475593370374,0.38338651245040745,0.383405382012832,0.3880774970785431,0.3888254102014676],"n_dims_used":45,"mean_confidence":0.886092291937934},"coverage":{"mean_confidence":0.886092291937934,"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}}