{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008675},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010399","490:4900008455","490:4900009010","490:4900008233","490:4900010318","490:4900008337","490:4900008668","490:4900008786","490:4900008560","490:4900008454","490:4900008336","490:4900007900","490:4900009536","490:4900009012","490:4900009830","490:4900008674","490:4900008229","490:4900009123","490:4900008667","490:4900010405","490:4900009636","490:4900008678","490:4900008226","490:4900009427","490:4900008338"],"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":[0.28122795080332585,0.27352146900524044,0.20757905346611497,0.20225228782745672,0.19113235615141,0.19053923532059466,0.1880678281405934,0.1839121479718106,0.1783114252957481,0.17657402784242981,0.17483554466704906,0.1532455921888278,0.1411348167161249,0.13254453281799414,0.1215037549842262,0.11791994081871697,0.11197860103049438,0.10791786781769444,0.1071495227891362,0.10677068184172984,0.1058939472816318,0.10462415055936483,0.10456085641446468,0.10088482302743886,0.09858754464166417],"twin_dists":[0.20687091664897148,0.20912415295307926,0.23030251634043392,0.23219868819131523,0.23627086607808334,0.23649264354888042,0.23742197223145434,0.23900414078658794,0.24117686536820254,0.24186068449362708,0.24254974070171256,0.25154870866206347,0.257009744759064,0.26109853960411916,0.2666579805141631,0.2685451020350775,0.27177287628197466,0.2740557765027222,0.27449519088315866,0.2747127495749234,0.2752185446230678,0.27595690409519513,0.2759938903465805,0.2781725842778026,0.27956582837987903],"n_dims_used":45,"mean_confidence":0.8903155008951823},"coverage":{"mean_confidence":0.8903155008951823,"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}}