{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009405},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008532","490:4900008420","490:4900009498","490:4900008089","490:4900010463","490:4900011049","490:4900009402","490:4900008530","490:4900009590","490:4900010897","490:4900009404","490:4900008072","490:4900010298","490:4900003429","490:4900010469","490:4900009283","490:4900008531","490:4900009714","466:4660004635","490:4900008521","490:4900010886","490:4900009385","490:4900004954","490:4900004395","490:4900010187"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490],"twin_sims":[0.5275694584445779,0.4287545003839741,0.4197050201180018,0.39161538114651967,0.353327316751795,0.3406588274058847,0.22561727014844565,0.22241874483088936,0.21145508435832622,0.20668112435258906,0.1912009646543674,0.1732837121862875,0.16328681192233233,0.15700785660539954,0.15166539448335858,0.14608815358039307,0.14515713483246967,0.1449407693385314,0.14035980448748187,0.130840853844684,0.12651711252096468,0.12521656411200507,0.11465406453518738,0.110592234467924,0.10502471346270097],"twin_dists":[0.1468759009151018,0.16902362794382692,0.17113920962165377,0.17783560332932313,0.18734010196535084,0.19059927798096396,0.22411649778220533,0.22518853692666457,0.22894353823258237,0.2306198013050539,0.23624524326177998,0.2431689572128906,0.24725640115513203,0.24991708363945234,0.2522427720025807,0.25473582388542976,0.25515881207144,0.2552574006744174,0.2573708739864745,0.2619329543842263,0.26408805497790494,0.2647471929884055,0.2703034630957232,0.2725449709356388,0.27572323618497724],"n_dims_used":45,"mean_confidence":0.9151701185438368},"coverage":{"mean_confidence":0.9151701185438368,"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}}