{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000013},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910000421","491:4910000372","491:4910000021","491:4910000038","491:4910000319","491:4910000675","491:4910000406","491:4910000008","491:4910000115","491:4910000465","491:4910000045","491:4910000053","491:4910000374","491:4910000165","491:4910000561","491:4910000022","491:4910000504","491:4910000469","491:4910000144","491:4910000138","491:4910000620","491:4910000296","491:4910000096","491:4910000457","491:4910000145"],"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":[0.6581874920449694,0.6375981495508559,0.4783381504337211,0.43546531500689595,0.3187540762668161,0.31823119260671107,0.2981403321823823,0.27710618671878734,0.2641815798718189,0.24893211936273574,0.24071084805384685,0.23629557610638913,0.2254849125422671,0.22328079833697043,0.2221743455122356,0.2111502269680518,0.20894832211675618,0.20373852040879814,0.19819797888798152,0.19326804358942204,0.19009079052095365,0.18721611027563048,0.17945180170262512,0.17845152070522982,0.17416353125417486],"twin_dists":[0.11878588504424052,0.12321619841927799,0.15772531905683898,0.1674666051437202,0.19639284796803086,0.19653380020714328,0.20205323193383543,0.2080712915547247,0.21190793604279165,0.21658883121867561,0.21918865058396794,0.2206086910395797,0.22416065839216137,0.22489859991564343,0.22527087284729744,0.22904980815578804,0.22982047928534569,0.23166622612217197,0.23366501878776572,0.2354762510764193,0.2366606445886734,0.23774422649288762,0.24073059502253114,0.24112193206805024,0.24281740565358276],"n_dims_used":45,"mean_confidence":0.8906146579318577},"coverage":{"mean_confidence":0.8906146579318577,"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}}