{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002403},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002108","490:4900001397","490:4900001941","490:4900002713","490:4900002253","490:4900002114","490:4900001797","490:4900002856","490:4900009510","490:4900001651","490:4900002107","490:4900002251","490:4900009162","490:4900003142","490:4900008522","490:4900003411","490:4900003971","490:4900004108","490:4900002552","490:4900003820","490:4900004383","490:4900002401","490:4900001384","490:4900008968","494:4940008171"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494],"twin_sims":[0.3437557731401233,0.264386951889997,0.2286427808164199,0.18435631767036148,0.1808758785612034,0.12667281876457426,0.12508889063906972,0.12238165287701615,0.11734666256189893,0.11616216224366807,0.11557325465649175,0.11284481022053648,0.11015240858722357,0.10877236249870961,0.10637762596403025,0.1032519587559035,0.0950888729374222,0.09505813229096645,0.09495766464137297,0.09131173221780355,0.09044061043410793,0.08451936272859832,0.08447168264382111,0.08445703878328382,0.0839255784422971],"twin_dists":[0.18979669662835263,0.21184607263313993,0.22311169906582304,0.2388338419735686,0.24017611626810081,0.264009485622522,0.2648121795292226,0.2662022013360781,0.26885103001194155,0.2694867829946066,0.269804719047053,0.27129420474007704,0.27279148082009175,0.27356993329200835,0.27493910602968546,0.27676268945460664,0.28173744822995483,0.2817568053927365,0.28182010355015213,0.2841537437525614,0.28472219379290514,0.288705734517788,0.2887387008644332,0.2887488287121685,0.28911734395789973],"n_dims_used":45,"mean_confidence":0.9213521321614583},"coverage":{"mean_confidence":0.9213521321614583,"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}}