{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011655},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012006","490:4900011800","490:4900010605","490:4900011859","490:4900011931","490:4900012007","490:4900010520","490:4900011932","490:4900009672","490:4900011102","490:4900011125","490:4900012008","490:4900011939","490:4900011337","490:4900011476","490:4900012065","490:4900012129","490:4900011999","490:4900012074","490:4900009569","490:4900009790","490:4900011997","490:4900010785","490:4900011415","490:4900011795"],"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":[0.3986237692091784,0.3667910990991568,0.35268742431822875,0.3411551516120694,0.3314191607766897,0.2719411834010899,0.2682674412466622,0.22819079575415338,0.2248810750125159,0.2170989402299831,0.18852440759797748,0.18736684343019733,0.18457448352165093,0.17931222788802811,0.1761709985559882,0.16983191141859438,0.15722745954029776,0.15288596681786742,0.1495729350950078,0.1482674015614333,0.1387210152713862,0.13697772241235415,0.13251403336889625,0.12874224425117728,0.12640017230965442],"twin_dists":[0.17614516628830132,0.18394214971694642,0.18750323849106526,0.19047039281623235,0.1930173777881512,0.2095909851486783,0.2106827504480724,0.22326124548809745,0.22436234531472704,0.2269946039084669,0.23724964272660104,0.23768712063342065,0.23875030096893912,0.24078510704639697,0.24201999532243587,0.2445606661887941,0.24982273254358056,0.2517062019616159,0.2531700612213739,0.25375346942465343,0.25813941746735186,0.2589644503516732,0.2611134061828036,0.26297213635499705,0.2641471112145129],"n_dims_used":45,"mean_confidence":0.9096209208170573},"coverage":{"mean_confidence":0.9096209208170573,"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}}