{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000346},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000293","490:4900000154","490:4900000512","490:4900000133","490:4900000609","490:4900000100","490:4900000104","490:4900000611","490:4900000966","490:4900000332","490:4900000112","490:4900000209","490:4900000400","487:4870005408","478:4780007860","490:4900000965","490:4900000285","487:4870004970","490:4900000585","490:4900000339","496:4960008273","490:4900000330","490:4900000399","487:4870005846","490:4900000163"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,487,478,490,490,487,490,490,496,490,490,487,490],"twin_sims":[0.6409836324343221,0.43768168220839093,0.3867576220242338,0.36605910753695065,0.3394404773638311,0.3346578324636228,0.3291126063248281,0.3273459456781307,0.3182184363544088,0.3163173796446455,0.30699822042808367,0.2853059629498413,0.2739181622618725,0.2671345420614518,0.2607370779025925,0.2587458888843754,0.2557825105908675,0.25442521557663056,0.24383480444969596,0.23032052529542643,0.22958026479967228,0.22933749307669135,0.21981817602826664,0.217558960167028,0.21323506530277317],"twin_dists":[0.12248911160861777,0.16695448801236673,0.17901558263045178,0.1841252425497132,0.1909160857827291,0.192165678227566,0.1936267295283629,0.19409504054016202,0.19653724050225102,0.19705081801688745,0.19959417199394372,0.20569372877891834,0.20900722628288687,0.2110212919031459,0.21295002449874756,0.21355637736163888,0.21446425125915405,0.21488230099293837,0.21819411047791823,0.22255829279210965,0.2228021394720418,0.22288222306785424,0.22606776745285728,0.22683726289814216,0.22832512046901007],"n_dims_used":45,"mean_confidence":0.9112542894151475},"coverage":{"mean_confidence":0.9112542894151475,"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}}