{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":494,"cluster_id":4940007849},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940007953","494:4940007748","490:4900001001","494:4940007952","494:4940007539","494:4940007851","494:4940008156","494:4940008157","494:4940007533","490:4900000547","490:4900000314","494:4940007746","490:4900000760","490:4900000762","490:4900000549","494:4940007641","490:4900000543","490:4900000877","494:4940007643","490:4900000871","490:4900000380","494:4940006680","480:4800000293","490:4900000318","494:4940006575"],"twin_admin_codes":[494,494,490,494,494,494,494,494,494,490,490,494,490,490,490,494,490,490,494,490,490,494,480,490,494],"twin_sims":[0.3343265762768617,0.304534304429377,0.2650529018891547,0.2579808085869604,0.2579005973969461,0.23507937760448214,0.22842513922461274,0.20979824319897433,0.20971436946471142,0.19999348979480347,0.17458737652770695,0.16491530404342028,0.15597687719682415,0.1522565166323722,0.14469577026070313,0.134415277128399,0.13360930626073192,0.09227631197242608,0.08837104972471137,0.08786505095216203,0.07670707072778489,0.06516554901753728,0.06122350272412436,0.05907969967380664,0.057932806433858376],"twin_dists":[0.19225258461736486,0.20027400075298676,0.21164567713940283,0.2137901393808196,0.21381467235423937,0.22100288154807746,0.22318368480597392,0.22952235409121818,0.22955173774934762,0.23301310633155897,0.24264850117727313,0.24657848846609876,0.25036133045812997,0.25198251715444925,0.2553691681594168,0.2601915467291426,0.2605811346769724,0.2835292911047733,0.2860902878339819,0.28642864362429016,0.29431756107145024,0.30351889079532735,0.306967033096385,0.30891939678397257,0.3099879266902778],"n_dims_used":45,"mean_confidence":0.911112043592665},"coverage":{"mean_confidence":0.911112043592665,"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}}