{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001488},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001425","491:4910001547","491:4910001432","491:4910001897","491:4910001110","491:4910001437","491:4910001898","491:4910001240","491:4910003071","491:4910001612","491:4910001229","491:4910003087","491:4910001611","491:4910002293","491:4910001610","491:4910001832","491:4910001724","491:4910001220","491:4910001988","491:4910002151","491:4910002972","491:4910003086","492:4920004183","491:4910002049","491:4910002796"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,492,491,491],"twin_sims":[0.34413030595474653,0.13402401371659298,0.09949052133611279,0.09093020752859167,0.06957068116454922,0.038487922225924585,0.033703762672318754,0.03219319258174724,0.030539301744094218,0.0250954780843594,0.023584350759790713,0.021944929102847725,0.0215913813079033,0.01908202703044651,0.01716033314680601,0.017058066780963804,0.01696047737411081,0.015577310324958064,0.015406585294940187,0.01446710644665422,0.014430893045765694,0.013540487996365867,0.01281248934846905,0.012698233399088136,0.01153991721513001],"twin_dists":[0.18969989710962365,0.2603804547246248,0.279015192291613,0.2844021768474229,0.2998617161491485,0.33149357063940077,0.3381800872506384,0.34045948504393697,0.3430624610072451,0.3525831665179018,0.35554178766120176,0.3589435350766596,0.3597059591811442,0.3654534402016007,0.3703201864547388,0.3705923407318986,0.37085338638321014,0.3747026337342438,0.3751983912518871,0.3780163214694501,0.37812813765429903,0.3809584659880899,0.3833975311439594,0.3837914114921455,0.38797242760883655],"n_dims_used":45,"mean_confidence":0.8943344963921441},"coverage":{"mean_confidence":0.8943344963921441,"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}}