{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001258},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001383","480:4800001320","480:4800001322","480:4800001440","480:4800001382","480:4800001441","480:4800001716","480:4800001435","480:4800001257","480:4800001822","480:4800001393","480:4800001610","480:4800001502","480:4800001375","480:4800001014","480:4800002060","480:4800001943","480:4800001265","480:4800001660","480:4800001392","480:4800001621","480:4800001434","480:4800002451","480:4800001380","480:4800002543"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.4463614562729915,0.4202665945536459,0.3904367258586942,0.353143514027167,0.28053588960487386,0.24439136090381341,0.2390870683772371,0.22234389416042377,0.20848323193320184,0.18898393199784302,0.17903198238049453,0.17070907749588066,0.1692684925353653,0.16397307099226455,0.1610646775123916,0.15655423518413084,0.15484929889991753,0.15371500158226117,0.1447800978290726,0.1331120984184641,0.13040434005271379,0.12904137262880933,0.1186820826778384,0.11809077972581217,0.11744796361742872],"twin_dists":[0.16495861824170346,0.17100737233331617,0.1781212714290216,0.18738694557592425,0.20707171422559137,0.21801779171376803,0.2197089039806414,0.2252137470226928,0.22998396755399855,0.23707649656593954,0.24089465080638936,0.24420510012895558,0.24478974831958975,0.24697012999944404,0.2481893820915821,0.25011228483614917,0.2508496657601012,0.25134354415708693,0.2553306824782674,0.26082235525467345,0.2621480637492126,0.2628232367927134,0.2681401469213775,0.2684541548779183,0.2687968878541746],"n_dims_used":43,"mean_confidence":0.9201748870139899},"coverage":{"mean_confidence":0.9201748870139899,"n_dims_used":43,"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}}