{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003076},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003617","490:4900003226","490:4900000902","496:4960011550","490:4900001316","490:4900004597","490:4900001704","490:4900001319","490:4900003201","490:4900003227","490:4900003867","490:4900003202","490:4900003336","490:4900001875","490:4900001998","490:4900000783","490:4900003357","490:4900001567","490:4900004592","490:4900003726","490:4900003894","490:4900003081","490:4900004037","490:4900001573","490:4900002176"],"twin_admin_codes":[490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7443374814665761,0.6568225622075934,0.6546774530885539,0.6433679064397456,0.6289993013426503,0.6259323450684522,0.609137051129363,0.6055309267348745,0.5913343907515632,0.5909115589186188,0.5841228432784791,0.5727938472408695,0.570830684982258,0.5705402567497031,0.5696734755586454,0.5593780436372829,0.5584367291578994,0.5526555013720614,0.5484523198804652,0.54063470451099,0.5398178275361839,0.5397825983212095,0.5363218088205676,0.5358298124530716,0.5315929924413151],"twin_dists":[0.09980256382573342,0.1190802976429843,0.11954276038829399,0.12197676698279926,0.1250611245195508,0.12571863635885597,0.12931638553160027,0.1300885571486419,0.13312909314753682,0.13321969077502704,0.13467476725966257,0.13710580940718337,0.13752753269283235,0.13758993512942191,0.1377761954974362,0.13999117294438634,0.14019395410406282,0.14144046432753335,0.14234799926227412,0.14403911520765647,0.1442160778480034,0.14422371079828644,0.1449740110426594,0.14508075256720873,0.14600077592875432],"n_dims_used":45,"mean_confidence":0.9179705301920573},"coverage":{"mean_confidence":0.9179705301920573,"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}}