{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002406},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004112","490:4900002252","490:4900002851","490:4900003000","490:4900002408","490:4900002255","490:4900002556","490:4900004378","490:4900003833","490:4900002254","490:4900002703","490:4900001385","494:4940008971","490:4900001525","490:4900004375","494:4940008948","494:4940008960","494:4940008890","490:4900004931","490:4900008824","490:4900007937","490:4900009994","490:4900009896","490:4900002407","490:4900001654"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,494,494,494,490,490,490,490,490,490,490],"twin_sims":[0.37208029610875537,0.32926593898678624,0.3190068746505603,0.30625278645181164,0.2711303195534438,0.2317819523134485,0.185945103267345,0.14923629830087673,0.133802284427937,0.13216294723779948,0.13071783852515143,0.10837251225190088,0.09502171413263535,0.09359520151687155,0.07630005439599262,0.07260590660400335,0.06757954240000505,0.06164339141524485,0.05153202397174978,0.05142684359537922,0.050025427987124574,0.04885014935907872,0.046131769665897035,0.046120278408636264,0.04593081150244988],"twin_dists":[0.18262455155319518,0.19358614907418065,0.19632474850089945,0.19979951391299386,0.2098311710777131,0.22207840172520854,0.2382270407376815,0.25332013485328014,0.26048769300168007,0.2612847245104773,0.2619935201779072,0.27379690800454193,0.2817797440243994,0.28268375785842165,0.2946223070153483,0.2974499480633956,0.3014906901508484,0.3065912364864073,0.316294473755133,0.3164034125118417,0.31787288682845005,0.31913192018102465,0.32214389004532684,0.32215693403751056,0.3223723957168092],"n_dims_used":45,"mean_confidence":0.9165435791015625},"coverage":{"mean_confidence":0.9165435791015625,"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}}