{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001278},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001971","490:4900001823","490:4900001674","490:4900001412","490:4900002594","490:4900004694","490:4900004558","490:4900004695","490:4900001668","490:4900003185","490:4900001540","490:4900005624","490:4900002285","490:4900007743","490:4900005109","490:4900001671","490:4900003699","490:4900005238","490:4900001822","490:4900004138","490:4900005245","490:4900001147","494:4940008651","490:4900002288","490:4900005636"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490],"twin_sims":[0.6439824310374497,0.6274726972881227,0.5704398370724325,0.5586730273659274,0.504648078157971,0.47499359418972575,0.4726191277105179,0.4392095527450322,0.4362515882777103,0.4361859069532834,0.40137637387620745,0.3824436758331529,0.35369884167168125,0.34428759376656737,0.33389246599881356,0.33034316665255864,0.32004848884740705,0.31577007271366564,0.31328657251252967,0.30926496075813775,0.30760375433039505,0.30516099260458096,0.30440697665345573,0.30422651598639616,0.3041110370084506],"twin_dists":[0.1218446744273247,0.12538843598638688,0.13761151246045616,0.14014304542216383,0.15189141587050606,0.15847390748795454,0.15900641647061156,0.16660205264092062,0.16728480951971408,0.16729999082297933,0.17548496389676588,0.18006936215410543,0.18724545446183088,0.1896592621311882,0.1923665460980904,0.19330134628843895,0.19604447532213404,0.19719899818098716,0.19787322789047512,0.19897152014832512,0.1994275793712149,0.20010078803795645,0.2003092185895787,0.2003591471854239,0.20039110611231345],"n_dims_used":45,"mean_confidence":0.9198523627387153},"coverage":{"mean_confidence":0.9198523627387153,"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}}