{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003368},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003369","489:4890003299","489:4890003433","489:4890002975","489:4890003146","489:4890003223","489:4890003137","489:4890002640","489:4890003370","489:4890002904","489:4890002474","489:4890003434","489:4890002314","489:4890002981","489:4890003136","489:4890003056","489:4890003057","489:4890002399","489:4890002320","489:4890002072","489:4890003222","489:4890002976","489:4890003431","489:4890002238","489:4890002401"],"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":[0.967197826827197,0.960986876096792,0.9554134775602491,0.9031858435517164,0.8933874114415535,0.8822215309368165,0.8795519465761524,0.8787357107234492,0.874499256447186,0.873045085687818,0.8721988292822533,0.8668371580576509,0.8502911053956445,0.8399577026972843,0.8392778827501342,0.8362519580135509,0.8268075295001268,0.8199461199143463,0.8185479298541679,0.8166922696111228,0.8122025190752463,0.8110412070184463,0.8072363833203315,0.8007285371829552,0.7923836424408061],"twin_dists":[0.03354295040428643,0.03663958241732219,0.039225996110804774,0.05860979337398016,0.061669177053126335,0.06501825704383128,0.0657997661012928,0.06603733839904852,0.06726039948696334,0.06767646753422821,0.0679177425810998,0.06943225215468826,0.07396611709445536,0.07670377595873541,0.07688162030327851,0.07767000924127394,0.08009862928025052,0.08183466539327405,0.0821856850162597,0.08265017150890247,0.08376764732958705,0.08405526906062355,0.08499364661741951,0.08658514846759593,0.08860250502928388],"n_dims_used":45,"mean_confidence":0.9142912122938368},"coverage":{"mean_confidence":0.9142912122938368,"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}}