{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011246},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011176","490:4900011017","490:4900011097","490:4900010999","490:4900011177","490:4900010941","490:4900011174","490:4900011367","490:4900011710","490:4900012120","490:4900011385","490:4900011451","490:4900011458","490:4900011524","490:4900011779","490:4900012042","490:4900011081","490:4900010845","490:4900012098","490:4900011645","490:4900011366","490:4900011391","490:4900011090","490:4900011318","490:4900011978"],"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":[0.5742026704264621,0.5669637459767328,0.4849817141954449,0.48310159067892633,0.439213893641145,0.4242526758546709,0.36666247997162327,0.36488124746660994,0.34550456939952157,0.2958030663618222,0.2954751917677862,0.2710911002024582,0.2580599048313773,0.24041451492314936,0.23488398352954973,0.21348662806340662,0.2083153730110942,0.20786803473335735,0.18536449727831014,0.1847870101750842,0.18115426922427016,0.17837220121395855,0.17517693362464945,0.16996602034636382,0.1546086862900021],"twin_dists":[0.13680326029691126,0.13835868930054393,0.15624328241213065,0.15666204600947517,0.16660105200954278,0.17007370994314955,0.18397430789237787,0.1844202471025113,0.18934519141303802,0.20270918504046623,0.20280144671633243,0.20984279946220571,0.21376595213130115,0.21928342426663291,0.22106633639815215,0.22823800234113353,0.2300430342334139,0.23020060344307483,0.2384483658150867,0.23866898617658464,0.24006808348391837,0.24115303054900852,0.24241404551169404,0.2445062188813474,0.2509542076752997],"n_dims_used":45,"mean_confidence":0.8932379828559027},"coverage":{"mean_confidence":0.8932379828559027,"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}}