{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910003430},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910002990","491:4910003264","491:4910002450","491:4910003046","491:4910003474","491:4910003349","491:4910003389","491:4910002939","491:4910003265","491:4910003388","491:4910002999","491:4910002895","491:4910002037","491:4910003383","491:4910003385","491:4910003263","491:4910003384","491:4910003473","491:4910003346","491:4910003039","491:4910003047","491:4910003391","491:4910003306","491:4910003219","491:4910003518"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.5205821695525784,0.5043003736080496,0.43090725600817126,0.41273667430830696,0.3924511717863692,0.36118667919912,0.3549769537343603,0.34306744136994005,0.31959204717075684,0.26787266025068124,0.2669870270455758,0.25288300587089113,0.20918598006962486,0.20719298188898772,0.18441685268616015,0.176100218378515,0.17498164293816457,0.17060148990044235,0.1659838630818513,0.16548987074504853,0.16323184291974593,0.1631770185580396,0.1612188863440709,0.15852311090790727,0.14672197693577896],"twin_dists":[0.1483991535748875,0.15196793613965043,0.1685230844338448,0.17278144513417742,0.17763327772971554,0.18534871612710802,0.18692024324376594,0.18997474515114451,0.1961672295673978,0.21080062098529273,0.21106543899593228,0.21535902654235897,0.2297370334983318,0.23043882046345252,0.2388106546697576,0.24204800033726367,0.24249164649251412,0.24424864096102386,0.24613629079400332,0.24634046146801775,0.24727936897830274,0.24730228194538664,0.24812433580218377,0.2492680115280344,0.2544490001743528],"n_dims_used":44,"mean_confidence":0.8927915746515448},"coverage":{"mean_confidence":0.8927915746515448,"n_dims_used":44,"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}}