{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000670},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000903","490:4900000557","490:4900001170","490:4900000900","490:4900001033","494:4940008827","490:4900002337","494:4940008237","490:4900001006","490:4900002923","490:4900001182","480:4800005304","490:4900000779","490:4900001592","494:4940007906","490:4900000668","490:4900000387","490:4900001026","494:4940008520","490:4900000662","494:4940008301","490:4900001040","480:4800004611","496:4960007783","490:4900004291"],"twin_admin_codes":[490,490,490,490,490,494,490,494,490,490,490,480,490,490,494,490,490,490,494,490,494,490,480,496,490],"twin_sims":[0.4717839529950645,0.4382520407130443,0.4301895413538969,0.40536225847778845,0.38854514771918985,0.37634379117278616,0.3587007596336383,0.3450282443407046,0.33454491438011147,0.3343379106908595,0.32273663260408836,0.3126742367453037,0.28312567754470097,0.282393331528343,0.2808595614830109,0.27335977090182445,0.27073607915211706,0.2695363153088626,0.26780472162770563,0.2642395535000802,0.2635571069613454,0.25933802657211913,0.25233015416133897,0.2506600725131648,0.24791569480488598],"twin_dists":[0.15919392761940038,0.1668228662953066,0.16868984885522073,0.17453257730127864,0.17858057530853472,0.1815691981828199,0.18597616426793429,0.1894680489236607,0.1921952974862094,0.19224961021530163,0.19532351462777012,0.19803993355890057,0.20632183240129673,0.20653346335179898,0.20697776535422457,0.2091718438937018,0.20994810907961836,0.21030462656970048,0.21082091641865283,0.2118904698331023,0.21209622828872327,0.21337575495507577,0.2155303733623122,0.21604944381737182,0.21690723256618316],"n_dims_used":45,"mean_confidence":0.9127572801378038},"coverage":{"mean_confidence":0.9127572801378038,"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}}