{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700000080},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["488:4880005501","481:4810001200","481:4810001215","481:4810001775","470:4700000106","481:4810001774","481:4810001690","481:4810001447","481:4810001371","481:4810001374","470:4700000107","481:4810001224","481:4810001708","481:4810002036","481:4810001688","481:4810001367","481:4810001446","481:4810001076","481:4810001366","488:4880005500","481:4810001693","481:4810000759","481:4810000317","496:4960004468","481:4810001143"],"twin_admin_codes":[488,481,481,481,470,481,481,481,481,481,470,481,481,481,481,481,481,481,481,488,481,481,481,496,481],"twin_sims":[0.8933449843242542,0.8230720639573585,0.8170980060825398,0.8018895276231149,0.8008204144783674,0.7980177827124488,0.7791011171305778,0.778735510249498,0.7721796895877558,0.7615606262804426,0.7613172638368233,0.7587464032745388,0.7548456844000617,0.7488584522153473,0.7487259856527411,0.7463780432338832,0.7431276319361396,0.7395563986076523,0.737088140167841,0.735505412091073,0.7324292419162353,0.7287226624562239,0.7275804941870454,0.7264780410623997,0.7205491956785304],"twin_dists":[0.061682165218714766,0.08104657511731941,0.08254874575674112,0.08630243756381362,0.08656279430873016,0.08724325768955414,0.09176428703405737,0.09185052379427393,0.09339014168866837,0.09585854502771744,0.09591476724820457,0.09650778660155883,0.09740447012028107,0.09877384602568491,0.098804051403593,0.09933879509917198,0.10007711525406913,0.10088576840956615,0.10144316558270006,0.10179995782448235,0.10249204465912982,0.10332363245917664,0.10357938458305072,0.10382602595524605,0.10514887232640593],"n_dims_used":43,"mean_confidence":0.9139092023982558},"coverage":{"mean_confidence":0.9139092023982558,"n_dims_used":43,"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}}