{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001777},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001365","490:4900001366","490:4900001502","490:4900001637","490:4900002397","490:4900001638","490:4900001369","490:4900001500","490:4900001235","490:4900001496","490:4900001243","490:4900003805","490:4900001780","490:4900004079","490:4900001370","490:4900003941","490:4900002247","490:4900003249","490:4900001501","490:4900004489","490:4900004215","491:4910001341","490:4900003796","490:4900001122","490:4900002693"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490],"twin_sims":[0.570901100714909,0.5092067857228996,0.49443890135868523,0.4207128270084521,0.3833150428559217,0.3787695312189619,0.33417856270010793,0.33301269676269996,0.32262759438523697,0.28716688999918494,0.26937265983705444,0.24839841066320067,0.24368172214413555,0.23031681195786458,0.19857831955467584,0.19777540254324422,0.15823881391349084,0.15059213126719417,0.14768527578118681,0.13973655170471055,0.13853235480911677,0.12637359864882014,0.1235418201358142,0.10049470047008298,0.0974521619409874],"twin_dists":[0.13751240343807059,0.15088946111111098,0.1541442961722073,0.1709026663120772,0.1798560554410815,0.18097135854575808,0.19229143170238727,0.19259774841238303,0.19535269323676605,0.20515990670192744,0.21035333382968455,0.21675591468495814,0.21824265296494483,0.22255951469870253,0.23352658572465643,0.23381903989191208,0.24938944677941324,0.2527172124067532,0.25401482828102956,0.25766236817895966,0.2582283278961121,0.2641605370143325,0.2656036817186326,0.278407421199944,0.2802638274881274],"n_dims_used":44,"mean_confidence":0.9128880067305132},"coverage":{"mean_confidence":0.9128880067305132,"n_dims_used":44,"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}}