{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003146},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890003368","489:4890003223","489:4890003222","489:4890003433","489:4890002320","489:4890003369","489:4890003299","489:4890003553","489:4890002142","489:4890002640","489:4890002314","489:4890003137","489:4890002474","489:4890002981","489:4890003434","489:4890002318","489:4890002904","489:4890003136","489:4890002975","489:4890002644","489:4890002238","489:4890002652","489:4890002399","489:4890003056","489:4890003057"],"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":[0.8933874114415535,0.879312571062664,0.867354280618342,0.844631018150789,0.8403606714148008,0.8384729105313549,0.7971722610269175,0.7735814281569442,0.7696429422012211,0.7617755486338046,0.7607442599788551,0.7465976468015718,0.7431822466750395,0.7385072765074668,0.7264220267349318,0.7118424520958215,0.7057808921607398,0.7012698680806976,0.6933835271789185,0.6905435569929746,0.6893576341869212,0.6870317626360845,0.685319129856759,0.6848298696812326,0.6842685656412437],"twin_dists":[0.061669177053126335,0.06586950427860577,0.06928721919195546,0.07547382078056673,0.07659823048594397,0.07709186024586032,0.08744797234829751,0.09306199722813921,0.09398258187699303,0.09580888062594087,0.09604708499925828,0.09928883138802759,0.10006472813575526,0.10112283523367963,0.10383855184665437,0.10708128514894615,0.1084199875382683,0.10941299136290189,0.11114281993116007,0.11176395435383217,0.11202306265954175,0.11253079168480085,0.11290428729031453,0.11301093076431415,0.11313324747396435],"n_dims_used":45,"mean_confidence":0.9141671922471788},"coverage":{"mean_confidence":0.9141671922471788,"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}}