{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010302},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012086","490:4900010121","490:4900010818","491:4910005714","491:4910004803","490:4900010213","490:4900011359","490:4900009720","490:4900011949","490:4900011218","490:4900012018","491:4910004856","491:4910004957","490:4900011289","490:4900010023","490:4900010675","491:4910005006","490:4900009619","490:4900010021","491:4910005364","490:4900010122","490:4900010648","491:4910005468","490:4900011061","491:4910005518"],"twin_admin_codes":[490,490,490,491,491,490,490,490,490,490,490,491,491,490,490,490,491,490,490,491,490,490,491,490,491],"twin_sims":[0.35716525129375803,0.26129651837916607,0.22385663094737276,0.20075938225636575,0.1983266929799266,0.19496661164560872,0.18620777088312765,0.16724926684503597,0.16697767727329593,0.160151094303271,0.13582870518719417,0.13074818445214612,0.12253513818256323,0.0904092758732356,0.0736965298641397,0.07195581794346462,0.05777596170120287,0.056685166705370854,0.05589414396404776,0.05245863130714236,0.046343902742500415,0.040616569707497545,0.03473522641739304,0.033331481190755054,0.028531471186606365],"twin_dists":[0.18636484044295568,0.2127801888677946,0.2247053438908281,0.232736254694411,0.23361815002996286,0.2348486247416515,0.23812707228021707,0.24561528210914205,0.24572686443056221,0.24857566818086882,0.2595125413934585,0.26197857556488113,0.2661227723275224,0.2847427217668631,0.2966032792444483,0.2979595301321393,0.3101354068315391,0.31117031209075746,0.31193114002847017,0.3153426578795034,0.3219035802578091,0.32874304602705406,0.3366731971321378,0.33873362478745644,0.3463900148392458],"n_dims_used":44,"mean_confidence":0.8830731131813743},"coverage":{"mean_confidence":0.8830731131813743,"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}}