{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":474,"cluster_id":4740001044},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["474:4740001159","474:4740001474","474:4740001787","474:4740003075","474:4740002889","487:4870012255","474:4740000678","474:4740000603","487:4870011826","474:4740001467","474:4740001780","474:4740002516","474:4740001572","474:4740001153","474:4740001876","474:4740000011","474:4740000143","474:4740002325","474:4740001259","474:4740003169","474:4740003166","474:4740001680","474:4740002800","474:4740001362","487:4870012498"],"twin_admin_codes":[474,474,474,474,474,487,474,474,487,474,474,474,474,474,474,474,474,474,474,474,474,474,474,474,487],"twin_sims":[0.5296276122726,0.5192074837448004,0.4501168126898565,0.44892641796570043,0.4346187576392865,0.4306604579096258,0.4096864115580517,0.3958873530407266,0.39137470673993474,0.3796341619760491,0.37834718794477273,0.37782483385741206,0.370971537695064,0.35837613682964153,0.35611293203835737,0.33866888514965604,0.3339759162932699,0.3285778829031956,0.3271781515525205,0.31384929471564355,0.2969275085257744,0.2858148601117485,0.2831705154412134,0.28272845026886806,0.27902296117323216],"twin_dists":[0.14642807196364135,0.14869939137499713,0.16409970610943583,0.16437167599439229,0.16766248549200574,0.16858041639871818,0.1735040773158608,0.17680355133585632,0.17789390237609579,0.18075871436756427,0.18107531367302027,0.18120396333608915,0.18289998031799123,0.18605826326979075,0.1866317055328575,0.1911170389919985,0.19234463269289143,0.19376832890721502,0.19413959226583047,0.19772019275520544,0.20239323154615477,0.2055475403018451,0.20630888604018194,0.20643658073675658,0.20751173116946994],"n_dims_used":45,"mean_confidence":0.9184460110134549},"coverage":{"mean_confidence":0.9184460110134549,"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}}