{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000250},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000295","490:4900000296","490:4900000218","490:4900000248","490:4900000359","490:4900000081","490:4900000436","490:4900000065","490:4900000337","490:4900000939","490:4900000417","490:4900000140","480:4800003468","496:4960006510","490:4900000841","490:4900000497","490:4900000155","490:4900000249","490:4900000073","490:4900000506","490:4900000182","490:4900000152","490:4900000139","490:4900000110","490:4900000165"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,480,496,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7767423400261899,0.5995761093875361,0.46738899180012694,0.4526756846321921,0.36878261490452996,0.36436187281739646,0.360500146613771,0.3080067124668059,0.2876699574194889,0.24364206079098386,0.23955865197568516,0.23344483327405216,0.22092497079775747,0.22050270577654302,0.21272291539841084,0.211674788734243,0.2097447093078734,0.19467361586640286,0.18816137018836368,0.18808228329955917,0.18014296674929167,0.17640754709798218,0.1760329267656773,0.1572928079895891,0.15342199464132056],"twin_dists":[0.09231995123419443,0.13136370819593218,0.1601825204098335,0.1635159858557469,0.18344493678678203,0.18455048106388447,0.18552177660996963,0.19931682341782883,0.205015954176042,0.21825523281487955,0.21955757424486397,0.2215347740650706,0.22569272374858435,0.2258356619479653,0.2285026970491317,0.22886701612178012,0.22954110780741274,0.2349566157221792,0.23738664224437628,0.23741651184411278,0.24046109518864403,0.24192646017634217,0.24207463249376412,0.24979467453920684,0.25147155456477044],"n_dims_used":45,"mean_confidence":0.9172960069444445},"coverage":{"mean_confidence":0.9172960069444445,"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}}