{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002209},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002247","480:4800002154","480:4800001954","480:4800002303","480:4800002260","480:4800001662","480:4800001893","480:4800002010","480:4800002060","480:4800001836","480:4800001668","480:4800002207","480:4800002355","480:4800001896","480:4800002353","480:4800002059","480:4800001660","480:4800001389","480:4800001782","480:4800001835","480:4800001716","480:4800001951","480:4800001685","480:4800001688","480:4800001377"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6375841030678655,0.5906037070863728,0.5221095432203064,0.4556323672743932,0.4105721268873788,0.3908945785561782,0.3867790199193453,0.38084139271753664,0.38053009632612933,0.3569306130008483,0.3549920067330593,0.3499433659472257,0.34314613656923104,0.33699297895836733,0.33143489838795037,0.3246648317036382,0.3136713070200275,0.313541509337655,0.30713857060747224,0.3047770369759462,0.2922197883394943,0.2905497279760296,0.2758271698222048,0.2711452902674357,0.2664871091279348],"twin_dists":[0.12321921420100611,0.1332856543485167,0.14806578548106533,0.1628430322145562,0.17329400222023358,0.17801025484379715,0.17901036968310127,0.18046220379471045,0.18053861850890437,0.18642430891891346,0.18691641667556655,0.188204574009316,0.18995437970021223,0.19155436254271757,0.1930132281823853,0.19480843348598922,0.197768580516266,0.19780387718004272,0.19955554243719378,0.20020688651518445,0.20372079622399947,0.20419479139099286,0.20844598744282658,0.20982673259309756,0.211215163199736],"n_dims_used":43,"mean_confidence":0.9204343751419423},"coverage":{"mean_confidence":0.9204343751419423,"n_dims_used":43,"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}}