{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004537},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001683","490:4900004399","490:4900003860","490:4900003992","490:4900002431","490:4900001409","490:4900001987","490:4900003993","490:4900001963","490:4900004419","490:4900005757","490:4900002293","490:4900002892","490:4900002126","490:4900002130","490:4900012912","490:4900004677","490:4900004535","490:4900005629","490:4900003038","494:4940007045","490:4900002128","490:4900002734","490:4900001811","490:4900004534"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490],"twin_sims":[0.5470834463478816,0.48356191259626574,0.43205535703410447,0.35191525364244836,0.3479726900859099,0.3441871234908147,0.32810913197978947,0.3225656799322731,0.31494911362710776,0.3017163019493243,0.2997376548869678,0.295249518101253,0.29275860405787935,0.2868440265737694,0.2834526817384552,0.282510297104317,0.2811720251015334,0.2769318492799528,0.27413146666207544,0.2649132354750159,0.2644893034635509,0.26356770113963307,0.26238875099714076,0.2623155986135301,0.2608910789360727],"twin_dists":[0.14264380888572273,0.1565594707888853,0.16825655189237118,0.18770030369309787,0.1887100236444568,0.18968521727959087,0.19389256262289478,0.19536926398335216,0.19742154106652324,0.20105544674709427,0.20160667874164442,0.20286498483920898,0.2035682134356476,0.20525237355561568,0.20622744256266903,0.2064996407877497,0.20688713203825226,0.20812230250182748,0.20894439707049342,0.21168767905192523,0.21181525286812913,0.21209303158904957,0.2124492637287318,0.21247140046811913,0.21290324987371917],"n_dims_used":45,"mean_confidence":0.9226286146375868},"coverage":{"mean_confidence":0.9226286146375868,"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}}