{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":485,"cluster_id":4850001176},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["485:4850000945","485:4850002474","485:4850001654","485:4850001224","485:4850000961","485:4850001056","485:4850001495","485:4850002742","485:4850002461","485:4850000144","485:4850001290","485:4850000338","485:4850001061","485:4850001286","485:4850002660","485:4850002039","485:4850001283","485:4850001171","485:4850001296","499:4990001421","485:4850001653","485:4850000571","499:4990002307","485:4850001806","485:4850001060"],"twin_admin_codes":[485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,485,499,485,485,499,485,485],"twin_sims":[0.7839474788463777,0.773103213552091,0.768041027154713,0.6435712377200437,0.6267446975591919,0.6242747419288449,0.6180891820444362,0.5757891835245676,0.5585799394744663,0.5521758988493959,0.5411263620888083,0.5357410336417291,0.5237951198401813,0.5174837796578167,0.5030552804568796,0.4985881471012569,0.4980439707675131,0.4812844247834471,0.4801029695555332,0.4752283792927454,0.4470218051343318,0.4449612002205393,0.443457196886327,0.4362375937377887,0.4194094038572323],"twin_dists":[0.09061726565899896,0.09317400937192197,0.09435578171100328,0.12193306264252965,0.12554450204359738,0.1260739105599062,0.1273991964309066,0.13646263929906635,0.14016310014857353,0.1415439620100933,0.14393263001388096,0.1451000157255694,0.14769814845451973,0.14907612325485695,0.15224206416270467,0.15322711566103028,0.15334728028093697,0.15706727150888367,0.15733099365801465,0.1584213012205592,0.16480738839926612,0.16527957996809242,0.16562475303415564,0.16728804408229156,0.17120863963209826],"n_dims_used":45,"mean_confidence":0.9193622165256077},"coverage":{"mean_confidence":0.9193622165256077,"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}}