{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001542},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003175","490:4900003572","490:4900004541","490:4900004419","490:4900001979","490:4900003992","490:4900001265","490:4900003038","490:4900001553","490:4900003704","490:4900002129","490:4900001974","490:4900003030","490:4900004280","490:4900004124","490:4900004534","490:4900001139","490:4900003573","490:4900002883","490:4900001687","490:4900002892","490:4900003708","490:4900001819","490:4900001266","490:4900001023"],"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":[0.7176834291585563,0.6967818670175001,0.6422328952760361,0.6020915098132469,0.5917334125621668,0.5603239767308315,0.49979624294844954,0.47855839095223807,0.4706131128367991,0.45689107064281587,0.45361601775475774,0.4456666224768791,0.44410780544633116,0.4421431157135341,0.43956310036428103,0.4125490038955397,0.41090046709644346,0.39573839226382024,0.38135823118824946,0.37858256853555383,0.3770013327763032,0.37243653851174524,0.3631191738613605,0.3569320713746118,0.35513731666290577],"twin_dists":[0.10578621222296947,0.11039833748556256,0.12222069441844101,0.1308250453385585,0.13304360002081042,0.13978744470850546,0.1529604765103156,0.15767608378879946,0.15945698859109853,0.16255702980368095,0.1633017876134039,0.16511783751338804,0.16547538144274715,0.16592670752204394,0.1665205681482271,0.1728258383192426,0.17321617658012128,0.17683945135152376,0.18033540059646688,0.18101737040080365,0.18140695780403257,0.1825361428985481,0.1848624707510018,0.1864239392356932,0.1868794822793233],"n_dims_used":45,"mean_confidence":0.920066155327691},"coverage":{"mean_confidence":0.920066155327691,"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}}