{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001907},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001656","489:4890002818","489:4890002718","489:4890002408","489:4890002807","489:4890003372","489:4890003071","489:4890003488","489:4890002487","489:4890002893","489:4890003562","489:4890003490","489:4890003429","489:4890003231","489:4890001992","489:4890003330","489:4890002556","489:4890002908","489:4890001661","489:4890002322","489:4890002407","489:4890003487","489:4890003400","489:4890001904","489:4890001988"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.907966683362507,0.8716345887265353,0.8715360667246261,0.8712565144950466,0.8570880878035796,0.8521620090418285,0.8445908889951502,0.8424905399717783,0.8400424855379456,0.8382558461126425,0.8321738665513316,0.832163011409666,0.8319887741767622,0.8192369786843856,0.8173132808897684,0.8132657112100746,0.8094578596868484,0.8011260552796455,0.8004378645132411,0.7947879874796804,0.794494755513795,0.7905232405856694,0.7848084176916817,0.7758542432536936,0.772029606086774],"twin_dists":[0.05707022310193819,0.06807826690011146,0.06810626787898874,0.06818567414334842,0.07212761317172703,0.07346319550562594,0.07548443832584316,0.07603878841548677,0.07668157752025634,0.0771484888052468,0.07872448631843146,0.07872728114203748,0.07877213262154241,0.08201281022401408,0.08249490133338001,0.0835038203852729,0.08444649781947977,0.08648840741919805,0.08665584933514693,0.08802384241122217,0.08809452511949464,0.0890488706165323,0.09041272760287695,0.09252873322408303,0.09342524287834322],"n_dims_used":44,"mean_confidence":0.9119060689752753},"coverage":{"mean_confidence":0.9119060689752753,"n_dims_used":44,"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}}