{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008173},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007599","490:4900008722","490:4900007953","490:4900008061","490:4900008723","490:4900006739","490:4900009172","490:4900011277","490:4900009375","490:4900009277","490:4900008160","490:4900009261","490:4900009369","490:4900009990","490:4900010188","490:4900009969","490:4900006611","490:4900009367","490:4900011804","490:4900011546","490:4900009155","490:4900009982","490:4900009382","490:4900009587","490:4900009785"],"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":[0.5325191366111603,0.5301239534896649,0.457684288929894,0.4480815735618386,0.4334585556266894,0.3993904678114259,0.3964647118168563,0.383965683645275,0.37169738514059547,0.36359244762222354,0.3339428729404241,0.32145832557209336,0.3034756468244022,0.2955701573482894,0.294964337822822,0.2874516100625415,0.28631091127302394,0.2802071756687423,0.279757842462154,0.26980218449555626,0.26815284870359757,0.2553588646979122,0.24858585803025518,0.2468277164496003,0.2440021555125982],"twin_dists":[0.14579953642184076,0.1463201301394741,0.16237694133893082,0.16456486220064306,0.16793118655664174,0.1759610686853627,0.17666446475990008,0.17969693283532026,0.18271962520963234,0.18474358796205792,0.192353309266752,0.195665936163097,0.2005670770768955,0.20277471784093032,0.20294531797805615,0.20507841564339524,0.20540519246256142,0.20716719392660546,0.20729781929227162,0.2102255373755446,0.21071695348151154,0.2145945838105421,0.216697206010793,0.21724897790674966,0.21814106586937188],"n_dims_used":45,"mean_confidence":0.9261366102430556},"coverage":{"mean_confidence":0.9261366102430556,"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}}