{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011167},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011772","490:4900010426","490:4900011011","490:4900011843","490:4900011175","490:4900011644","490:4900011232","490:4900011234","490:4900010760","490:4900011703","490:4900012168","490:4900011249","490:4900011165","490:4900011900","490:4900011235","490:4900011906","490:4900011634","490:4900011383","490:4900011078","490:4900011012","490:4900011833","490:4900011776","490:4900010143","490:4900011228","490:4900011005"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5151092072243614,0.490458404632377,0.4561786367909436,0.4523513508949495,0.43787631280741496,0.4332596688553376,0.41243023033688175,0.3583116748646898,0.35796657135628346,0.35391857515969277,0.29742231823966514,0.28557975536204927,0.2752802378885328,0.23537872575703933,0.23006500433097757,0.1846576214327019,0.171921023897807,0.16961867729525948,0.1644499139440026,0.16358859633880504,0.15895728111027524,0.1556541517577917,0.15271072031894772,0.15147839862394047,0.14823380798347746],"twin_dists":[0.1495956053510194,0.15502627512472467,0.1627188737622269,0.1635899038053968,0.16690956548002242,0.16797727740620758,0.17285393858747394,0.1860745706131468,0.18616189919532766,0.1871895007311549,0.2022544196020824,0.2056150582701636,0.20860653884487795,0.22090573421066753,0.2226424045608081,0.23871848373957533,0.24371597743398535,0.24464730138391547,0.24677172625374638,0.24713040552126928,0.24908286488843023,0.2505008329998184,0.2517830474257185,0.25232525630772745,0.2537685314233051],"n_dims_used":45,"mean_confidence":0.8910404629177517},"coverage":{"mean_confidence":0.8910404629177517,"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}}