{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000090},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000338","490:4900000431","490:4900000268","490:4900001196","496:4960008151","490:4900001885","490:4900000498","490:4900000191","490:4900000111","496:4960008155","490:4900004599","490:4900000233","490:4900000189","490:4900000294","490:4900000076","490:4900000190","490:4900000291","490:4900000482","490:4900000425","496:4960009182","496:4960004518","487:4870004985","490:4900001728","496:4960008152","490:4900004460"],"twin_admin_codes":[490,490,490,490,496,490,490,490,490,496,490,490,490,490,490,490,490,490,490,496,496,487,490,496,490],"twin_sims":[0.5949482052204641,0.5616495010902516,0.5386673026020363,0.5181124718805937,0.5022482053738035,0.5007419945283864,0.47150067408662344,0.44587662073570417,0.4318957204549158,0.42126574801874883,0.42077287932043855,0.4205689686400551,0.4051358399162192,0.40496030103431985,0.38798544870341356,0.3869009806218829,0.3767237092261752,0.3737977154860597,0.37071603916200213,0.36785043642707066,0.36211652626821317,0.3610986628054142,0.3601017135605024,0.35902159289081276,0.358939217266685],"twin_dists":[0.132354901687276,0.13950204178296918,0.14446540569879682,0.14893868187232528,0.1524198537640708,0.15275186501970536,0.1592575538077369,0.16506970702307672,0.1682935944672108,0.17077299146063013,0.1708885789479989,0.1709364167655083,0.17458656490604274,0.17462842995190728,0.1787166802989675,0.1789806602688639,0.18147544117950254,0.18219872330501985,0.18296350698019997,0.183677502054707,0.1851145878528977,0.18537089384705457,0.18562229029286398,0.18589506105746148,0.1859158811903855],"n_dims_used":45,"mean_confidence":0.9151567247178819},"coverage":{"mean_confidence":0.9151567247178819,"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}}