{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002702},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["475:4750000180","475:4750000214","475:4750000585","475:4750000507","475:4750000251","480:4800002704","480:4800005792","475:4750000108","475:4750000426","497:4970003043","475:4750000153","475:4750000290","665:6650002101","480:4800003246","475:4750000130","475:4750000658","665:6650003087","494:4940003259","491:4910003928","480:4800006481","475:4750000547","475:4750000335","480:4800005793","480:4800002705","495:4950002182"],"twin_admin_codes":[475,475,475,475,475,480,480,475,475,497,475,475,665,480,475,475,665,494,491,480,475,475,480,480,495],"twin_sims":[0.0022539470214648916,0.0022031987458364694,0.0015912871940334413,0.00029001654880185523,0.0001609931939697982,0.00013536414582245035,0.00010554225923636064,0.00008051150066194378,0.00004770917834816294,0.00002661577133648644,0.00001622453933466667,0.000015357144252440205,0.000014225459728718354,0.00000843625839260493,0.000008001354180736828,0.000006540425519459909,0.000006271770625370132,0.00000535675512485393,0.000005095649593156742,0.0000046320708697184264,0.0000032166593073310683,0.000002497137489602381,0.0000024817428060645667,0.0000014240727152565183,0.0000012154836878101631],"twin_dists":[0.45344882114928914,0.45429512738640376,0.4662190935614454,0.5242031817107153,0.5428116111330826,0.548173181032138,0.5557778079462804,0.5639338232979813,0.5793737636993287,0.5961226690034412,0.6099674084039515,0.611484885302665,0.6135927611892616,0.6277916075675081,0.6292120622422044,0.6345935999247913,0.6357074733930922,0.6398780934638519,0.6411939978359077,0.6436982754417407,0.6531839043004805,0.6596899247768696,0.6598480227361644,0.6738969187241945,0.677849487730619],"n_dims_used":42,"mean_confidence":0.8887754167829242},"coverage":{"mean_confidence":0.8887754167829242,"n_dims_used":42,"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}}