{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011017},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011246","490:4900011779","490:4900010999","490:4900011385","490:4900011177","490:4900011090","490:4900011097","490:4900011176","490:4900011367","490:4900011710","490:4900010941","490:4900011247","490:4900010424","490:4900010674","490:4900011524","490:4900011458","490:4900011174","490:4900010845","490:4900011391","490:4900012120","490:4900011451","490:4900011081","490:4900011778","490:4900011366","490:4900012184"],"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":[0.5669637459767328,0.37567926510291194,0.3565614814601011,0.337791488321253,0.3110856704836353,0.2953471507839951,0.29207090260050816,0.28426514346885456,0.2789830930653871,0.2674574599945724,0.22134833777960394,0.21146897850243554,0.20992426738177888,0.20788421837175344,0.20561258135365218,0.200281752585128,0.1928974051587604,0.17146337331335137,0.17098756700258363,0.16280285994346902,0.15463849906698998,0.15128498409846636,0.15068528645190243,0.14730427472138183,0.14177391845169565],"twin_dists":[0.13835868930054393,0.18173330260216128,0.18651790510830604,0.1913458475835581,0.198473283590085,0.2028374929707496,0.2037629873869828,0.20599320927325035,0.20752334591220473,0.21092470448149864,0.225549595865633,0.2289386973640025,0.22947821878978297,0.23019489893543554,0.23099860206352343,0.23290882070226446,0.2356137125514197,0.2439003868669075,0.24409248640402192,0.24745880463244774,0.25094124809021795,0.2524106506855714,0.2526759343921946,0.2541862997435199,0.2567130545450464],"n_dims_used":45,"mean_confidence":0.8940017700195313},"coverage":{"mean_confidence":0.8940017700195313,"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}}