{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011547},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011544","490:4900011804","490:4900011870","490:4900011673","490:4900012188","490:4900011920","490:4900011789","490:4900011809","490:4900011276","490:4900011805","490:4900011121","490:4900011408","490:4900011987","490:4900012191","490:4900012209","490:4900012145","490:4900012189","490:4900011607","490:4900011612","490:4900011272","490:4900011984","490:4900011734","490:4900008722","490:4900011869","490:4900011664"],"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":[0.6031212286038462,0.44850077565286944,0.4483288741949483,0.4388447555943296,0.41993297280575503,0.4185368834205839,0.4091051131615968,0.4055107667884259,0.3833288846980138,0.3640257350414134,0.3495852050932689,0.34813434828014983,0.32710774195979353,0.31282823611111715,0.31205775644981865,0.30367688880287474,0.3007847341885901,0.2814434665291718,0.26331254064959336,0.26318375974268,0.2605808944886278,0.2565429695953786,0.2509156623403456,0.244370716070802,0.2423485460722418],"twin_dists":[0.13060454565503257,0.16446898830134896,0.16450829905551992,0.16668615686678623,0.17108568560089069,0.1714136857773242,0.17364205892549714,0.1744971740502029,0.17985266889567633,0.1846348180523536,0.18829632576066307,0.1886685041359477,0.1941582907731076,0.19799799043064278,0.19820795562294632,0.20051132010314948,0.20131470877931767,0.2068084471591653,0.21217004635395964,0.21220893385025894,0.2129974797014665,0.21423064227382602,0.21596986241054839,0.21802432742890474,0.2186662394379037],"n_dims_used":45,"mean_confidence":0.9172369215223525},"coverage":{"mean_confidence":0.9172369215223525,"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}}