{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009441},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009560","490:4900009544","490:4900009233","490:4900009564","490:4900009237","490:4900009647","490:4900008683","490:4900009134","490:4900009449","490:4900009759","490:4900009766","490:4900008698","490:4900009232","490:4900009234","490:4900009137","490:4900009352","490:4900009128","490:4900009834","490:4900009455","490:4900009750","490:4900009439","490:4900011653","490:4900011651","490:4900009244","490:4900007908"],"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":[0.31472642995231426,0.17087219942903992,0.11650470277168255,0.08625922259139387,0.07761011758169035,0.06105903000016121,0.037433585985250484,0.023030034901733967,0.021434446847110038,0.021029561109980374,0.0202311654582447,0.018263554936058888,0.01390265581945594,0.013511481158963532,0.013398878943141374,0.013081316872047784,0.012526834070032425,0.011035507293161124,0.010747151175298557,0.009742844304492902,0.009524267998086457,0.009449981470030356,0.009054983384250405,0.007792103570296591,0.007673350111680754],"twin_dists":[0.19748196211665148,0.24413912200465093,0.2693024230642272,0.28751280071952157,0.2936460422642779,0.3071148115602171,0.33290390451905416,0.3566683554757918,0.3600478714664806,0.36094015789291906,0.36274439613619813,0.3674712606468048,0.3797879725827793,0.3810534056344265,0.3814236690945823,0.38248291229899634,0.3843882108759623,0.3899106933360138,0.39105441332639707,0.395263445679174,0.3962305318099287,0.39656372403796875,0.3983756746681995,0.4046854188489976,0.4053250199548214],"n_dims_used":45,"mean_confidence":0.8802937825520833},"coverage":{"mean_confidence":0.8802937825520833,"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}}