{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006138},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006258","490:4900006010","490:4900006260","466:4660004767","490:4900012573","466:4660004950","490:4900002442","466:4660007137","493:4930006883","487:4870002421","490:4900003435","490:4900006139","466:4660003719","494:4940008071","490:4900006380","466:4660006904","490:4900001160","487:4870002345","466:4660004948","466:4660005130","490:4900006140","480:4800004964","490:4900001309","490:4900006032","466:4660011504"],"twin_admin_codes":[490,490,490,466,490,466,490,466,493,487,490,490,466,494,490,466,490,487,466,466,490,480,490,490,466],"twin_sims":[0.3281021391423506,0.2814005801283549,0.2683741104937276,0.08779601331663482,0.0843611609577644,0.05399360312678739,0.050281344862876234,0.04449328093557449,0.044334461273726575,0.04195439556457214,0.038572423344934374,0.037495146700700144,0.03435135444563335,0.032634081925193584,0.029749769445372703,0.028158686289021056,0.027085951298817804,0.02547340834838175,0.02489949316657815,0.023507386610117496,0.023063333913753023,0.02142120531499257,0.01964151105839258,0.019461000818192447,0.018463231088842555],"twin_dists":[0.19389441668470184,0.2068208759216466,0.21065092046153105,0.2864749282307181,0.2888151734564152,0.31379620426522087,0.3176020056084994,0.3240318793909592,0.3242179686755222,0.32707605272844015,0.3313819595420546,0.3328206383690627,0.33722949534563357,0.3397849240307454,0.344347889000936,0.34702985030728867,0.34891259429807914,0.3518673634589762,0.35295803925169444,0.3556968250717984,0.3566000197694059,0.36007682023708987,0.36411720405166226,0.36454465070505926,0.3669718047973754],"n_dims_used":45,"mean_confidence":0.9204464382595486},"coverage":{"mean_confidence":0.9204464382595486,"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}}