{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012366},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012293","490:4900012296","490:4900012509","490:4900012439","490:4900012225","490:4900012227","490:4900012581","490:4900012584","490:4900012583","490:4900012438","490:4900012435","490:4900012437","490:4900012158","490:4900012294","490:4900012507","490:4900012436","490:4900012364","490:4900012224","490:4900012365","490:4900007532","490:4900006926","490:4900004610","490:4900012363","490:4900012094","490:4900004888"],"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":[0.5653718311845589,0.49778749675215767,0.39294514465096425,0.28033119149675834,0.26503358473675304,0.2637145500259704,0.24512163452387614,0.2081219990027636,0.1896088079724181,0.146744726777462,0.13854927539117276,0.13098446500496386,0.1071131798351989,0.10246757735317838,0.10234261872887575,0.09936939073279615,0.0993580889335996,0.09782224152814817,0.09769110201749988,0.09432370575850024,0.09294069351914833,0.08563191697166724,0.08150087789816533,0.08136656401059923,0.07793086562245394],"twin_dists":[0.13870104630659383,0.15340392754475818,0.17751379263373446,0.20713116376151083,0.21165148556859534,0.21204872950425366,0.21778683129421256,0.23011111944172907,0.23684151899759473,0.25443872225380465,0.25822035000547866,0.2618623026680707,0.27451603579714356,0.27722705481427606,0.2773012880943679,0.2790888298232274,0.2790957039818166,0.2800356158314339,0.28011640608974714,0.2822207413967357,0.2831021753799243,0.2879406837616915,0.29082267560440705,0.29091832115149435,0.29340904211596325],"n_dims_used":44,"mean_confidence":0.8886443918401544},"coverage":{"mean_confidence":0.8886443918401544,"n_dims_used":44,"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}}