{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000605},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000551","489:4890000665","489:4890000606","489:4890000552","489:4890001258","489:4890000505","489:4890000830","489:4890000548","489:4890001193","489:4890000427","489:4890000778","489:4890000667","489:4890001063","489:4890000610","489:4890000502","489:4890000463","489:4890000771","489:4890000392","489:4890000602","489:4890000714","489:4890000556","489:4890000511","489:4890000713","489:4890000829","489:4890000722"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489],"twin_sims":[0.9593763705569041,0.9161146197744323,0.9076046272286168,0.9009152739523385,0.8925587118702133,0.8839975781732593,0.8818624796554253,0.8751993183719989,0.8684593978065961,0.8636377891491749,0.8357618697095862,0.8279048791393369,0.823391266430279,0.8210265431092082,0.8062865645378238,0.8060761746533154,0.8046243405878222,0.8040582750614367,0.800937719256547,0.7976293598711686,0.792412518623987,0.7715556736615572,0.7676226059530229,0.7660328687469922,0.75895975616499],"twin_dists":[0.03740377099722858,0.054365712121420176,0.05718797906299737,0.05932977649742525,0.061922484119955865,0.06449440876620334,0.06512377523132716,0.06705942505464375,0.06897654541876086,0.07032480397124215,0.07779721399092805,0.07981883789007928,0.0809658379360507,0.08156279933808744,0.0852269715652419,0.08527860502189509,0.08563442866593725,0.08577293657100468,0.08653424886491999,0.08733733386066518,0.08859556733644061,0.09353604339988192,0.09445314668445322,0.09482264316086644,0.09645863510143679],"n_dims_used":45,"mean_confidence":0.9195510864257812},"coverage":{"mean_confidence":0.9195510864257812,"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}}