{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009844},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010837","490:4900010254","490:4900009943","490:4900010585","490:4900010044","490:4900010253","490:4900009438","490:4900010764","490:4900010754","490:4900011304","490:4900010045","490:4900010845","490:4900010751","490:4900009334","490:4900010759","490:4900010339","490:4900010424","490:4900010917","490:4900011519","490:4900009646","490:4900009845","490:4900010929","490:4900010499","490:4900010758","490:4900011089"],"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":[0.23134703417451613,0.1950917837801987,0.17098203467916867,0.16378887788602087,0.12218927721674563,0.10042667356594985,0.09027429606053568,0.07881877335538372,0.07545788388865889,0.06821800581955939,0.059134736517496254,0.04073715911715672,0.037720920300728225,0.03625835557442323,0.0360350879010756,0.03492594860719122,0.02889308687525892,0.0258178329131118,0.024945288933817783,0.024081210961604017,0.022357580470199465,0.02211589516542886,0.021125512588275556,0.020890058039765947,0.017913548378450123],"twin_dists":[0.2222210076707856,0.23480252374246402,0.24409472224723558,0.24704688040248562,0.2663018634590561,0.27844844344925546,0.2848312145410671,0.29275703409671866,0.29525704948123416,0.30096415123422965,0.30886855142855973,0.3285909024422211,0.3325162486896014,0.3345162133584039,0.33482751886187523,0.33639875062555713,0.3457761784322523,0.35122296573753875,0.35287021501089355,0.3545513261378875,0.3580670396727108,0.35857867040903935,0.3607273571722853,0.3612510598969008,0.3683583887598745],"n_dims_used":45,"mean_confidence":0.8918463812934028},"coverage":{"mean_confidence":0.8918463812934028,"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}}