{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890003265},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001927","489:4890002771","489:4890001848","489:4890003456","484:4840004955","489:4890003025","489:4890001937","489:4890002508","489:4890004203","489:4890003240","489:4890003184","484:4840005703","489:4890002111","469:4690001632","489:4890002285","489:4890002346","469:4690001532","489:4890003315","469:4690002980","489:4890002616","477:4770000399","489:4890003390","489:4890002779","489:4890002277","477:4770000104"],"twin_admin_codes":[489,489,489,489,484,489,489,489,489,489,489,484,489,469,489,489,469,489,469,489,477,489,489,489,477],"twin_sims":[0.4911741189504222,0.4844524418902885,0.47637837436641817,0.4402056138210622,0.42477485600697584,0.4228556734648661,0.4197017062826654,0.4182827124712792,0.41646276035443247,0.412870809435833,0.40998520277978695,0.40821169855475586,0.40262288773097255,0.39826970120829924,0.39577339825203234,0.3931995068100554,0.3853292946557449,0.38526292009620183,0.3820736843936371,0.38198639922842753,0.38007959868172636,0.3777921246367553,0.3733995120880004,0.3648972040041858,0.3630642827231866],"twin_dists":[0.1548675353993071,0.1563611171915448,0.15816375454462606,0.16637254942336668,0.1699516719693925,0.17040050993016723,0.17113998781167625,0.17147345127948838,0.17190184708639533,0.17274972103002523,0.17343318736238963,0.17385429549645767,0.17518666691536078,0.17623023865887785,0.17683101423895886,0.17745229323416334,0.17936386112026603,0.1793800605664846,0.18016000487359118,0.18018139466015884,0.1806492567439327,0.18121202210753218,0.182297370458106,0.18441624745773658,0.18487626406487012],"n_dims_used":45,"mean_confidence":0.9197074890136718},"coverage":{"mean_confidence":0.9197074890136718,"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}}