{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002751},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002898","480:4800003283","480:4800002850","480:4800002606","480:4800003025","480:4800002805","480:4800002943","480:4800002945","480:4800002562","480:4800003112","480:4800002851","480:4800002654","480:4800002657","480:4800003236","480:4800002660","480:4800003289","480:4800003339","480:4800002908","480:4800002698","480:4800002853","480:4800002985","480:4800002712","492:4920003349","480:4800003242","492:4920003904"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,492,480,492],"twin_sims":[0.3226334729572703,0.2855152079835581,0.2796172513690609,0.2699060363481392,0.26350489901793334,0.2333656792719909,0.2177205387302691,0.18945976511036458,0.1647738075480967,0.1517467792157392,0.14723450737439128,0.14540108464429397,0.13947595035770327,0.13676892716075553,0.1311612241482645,0.11156218442275179,0.10297305572791762,0.09978334935842519,0.09551362104780524,0.08505651809234006,0.08153465306660126,0.07837357940074151,0.07780157597605569,0.07611138329489595,0.07602837147098405],"twin_dists":[0.19535111999156485,0.20563360099138403,0.207338716608283,0.21019465723025968,0.21211198274755166,0.22156059326190758,0.22678205112496075,0.23689751563345568,0.24663719844280574,0.25220689635153914,0.2542177343787859,0.2550477849608383,0.2577845384866884,0.2590637908047498,0.26177542343294846,0.272004007556262,0.2769274878640933,0.27883746637337403,0.2814704904935517,0.288335362449757,0.29079864400733774,0.2930832067070316,0.2935044794553139,0.2947640154420781,0.2948264542375176],"n_dims_used":43,"mean_confidence":0.912923768509266},"coverage":{"mean_confidence":0.912923768509266,"n_dims_used":43,"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}}