{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002382},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003116","490:4900002976","490:4900002997","490:4900001771","490:4900002686","490:4900003117","490:4900001921","490:4900002535","490:4900001371","490:4900001773","490:4900003809","490:4900002228","491:4910001275","490:4900004222","490:4900002824","490:4900003121","490:4900002978","490:4900002835","490:4900002380","490:4900001497","490:4900001112","490:4900002528","490:4900003668","490:4900002376","490:4900002548"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.4438931991630912,0.4417227341832339,0.36542081207451743,0.31406546180152856,0.289090326599784,0.2785746348245288,0.2641927242922957,0.23913660385320773,0.23425562246237863,0.21722282514344438,0.20892146580372997,0.2043024169051053,0.1760316632281613,0.15111701281967035,0.15048148457631888,0.13934500105533484,0.1390893997992164,0.1379875668628731,0.1361663707984978,0.13076877518580277,0.13008176756059872,0.12068606452942499,0.11420903139971703,0.1135420478001492,0.11028519780802741],"twin_dists":[0.16552464305733763,0.16602337763019057,0.18428504939866283,0.19766144651434858,0.2046103273757729,0.20764239993382028,0.21190457828235298,0.21969299907774667,0.22127063334423994,0.22695220940515193,0.22982991305931744,0.23146490022206198,0.24207513263625483,0.25248487677466164,0.2527662655080115,0.2578459920225127,0.25796606807596983,0.2584855801325322,0.25935111280544154,0.26196843663128294,0.26230737339669874,0.2670847667371955,0.2705460394004544,0.27091096107891727,0.27271697616918217],"n_dims_used":45,"mean_confidence":0.9147506713867187},"coverage":{"mean_confidence":0.9147506713867187,"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}}