{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003250},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002837","490:4900003933","490:4900001505","490:4900003387","490:4900003802","490:4900003383","490:4900004492","490:4900004353","490:4900002835","490:4900003264","490:4900003393","490:4900003664","490:4900003531","490:4900003120","490:4900002997","490:4900003785","490:4900004222","490:4900004199","490:4900002382","490:4900003656","490:4900003117","490:4900003126","490:4900003382","490:4900006085","490:4900003804"],"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":[0.3998793312357585,0.36632005318775956,0.257312310035576,0.20532317586615823,0.19539693094783667,0.15712786539966453,0.10826022006051055,0.09061929882945767,0.07294506282481762,0.0712124744785984,0.06243607952248576,0.06049895166017192,0.036598767354223516,0.0283258075684515,0.023114470279450315,0.021248015239717477,0.020597411437444074,0.019749955116402856,0.01915336674998836,0.018209937902223496,0.017849002457211483,0.017766206237946176,0.01673162066027544,0.015984740218644985,0.01548583225049439],"twin_dists":[0.17584376812845465,0.18405995122702476,0.21399475020972575,0.23110142845309053,0.23469022374661508,0.24986551064777618,0.27386076728543934,0.2846052385312855,0.2971855597126836,0.2985468020178267,0.305887475799501,0.30762050566321764,0.3340446908484085,0.3467421139670891,0.35649524495750956,0.3604568906436303,0.3619091826190716,0.3638620553343238,0.36528116834216806,0.36760618810115014,0.36852364219822714,0.3687363888766247,0.37147077180522897,0.3735385670225714,0.3749676730209387],"n_dims_used":45,"mean_confidence":0.9157138400607638},"coverage":{"mean_confidence":0.9157138400607638,"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}}