{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011391},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011581","490:4900011097","490:4900011900","490:4900011449","490:4900010424","490:4900011232","490:4900011246","490:4900011385","490:4900011017","490:4900011090","490:4900010674","490:4900011451","490:4900011167","490:4900012120","490:4900011978","490:4900011367","490:4900011645","490:4900011247","490:4900011175","490:4900011003","490:4900011177","490:4900011174","490:4900011450","490:4900011524","490:4900010941"],"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":[0.3363741252308594,0.3014974143380664,0.26796561944479785,0.21476988889918552,0.20491489077219807,0.19588101558593798,0.17837220121395855,0.17699846188682217,0.17098756700258363,0.15819934478697084,0.14996530200495273,0.1454897433792064,0.1334414486343269,0.12933288358501815,0.12559676080938062,0.12015009128816072,0.11990578362558224,0.11843688859470287,0.11809469197827109,0.11567821100658672,0.11460697486717364,0.10965081595511096,0.10194717408274825,0.09810407071785211,0.09548947042614377],"twin_dists":[0.19171614764063244,0.20111632274510977,0.21077285628293618,0.22779467554834057,0.231246661793611,0.23451232066251576,0.24115303054900852,0.24169319222383354,0.24409248640402192,0.24940631827547194,0.25299545670188134,0.2550074685396146,0.26066249529668845,0.2626783798035916,0.26455396817168714,0.2673657124124781,0.26749409100877947,0.268270210101173,0.2684520733466736,0.26974796483718994,0.27032909617991785,0.27307354001450584,0.2775366743442731,0.27986227839999245,0.2814856442759809],"n_dims_used":45,"mean_confidence":0.8930408053927952},"coverage":{"mean_confidence":0.8930408053927952,"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}}