{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006624},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["466:4660004602","490:4900007728","487:4870004532","466:4660005693","466:4660004434","490:4900001150","490:4900001857","490:4900010728","494:4940008575","490:4900007725","480:4800004287","490:4900008733","480:4800005052","490:4900006871","466:4660004685","490:4900009896","487:4870001835","490:4900006744","490:4900006139","466:4660007954","487:4870003937","490:4900009291","494:4940004061","490:4900007235","466:4660004773"],"twin_admin_codes":[466,490,487,466,466,490,490,490,494,490,480,490,480,490,466,490,487,490,490,466,487,490,494,490,466],"twin_sims":[0.05783388402779948,0.04338826041303925,0.03296593279281448,0.023094151076289298,0.018343741849831684,0.018089570747301376,0.016341861611376213,0.01630815017693148,0.015781913071511652,0.014219452210145042,0.013751730375689464,0.013213609132615213,0.012856016546447998,0.012516181477658279,0.012227309459973657,0.011974995416150507,0.01193072994121743,0.011908748026077859,0.011905750046189937,0.011883205256725283,0.011834385198423213,0.011694253389579886,0.010974350639604794,0.01073185715665153,0.010386475361180487],"twin_dists":[0.31008090442075925,0.3253383837249909,0.339282306496278,0.35653685347976544,0.36727011542546084,0.36791036349146594,0.3725394947761075,0.37263298041990145,0.3741147599646266,0.3787859892978648,0.3802724374876505,0.3820389113018802,0.3832482951973002,0.38442554064068457,0.38544872081909026,0.38636009847709246,0.3865217419896037,0.38660221077829093,0.3866131956368569,0.38669588040632835,0.38687540984863855,0.3873944015592721,0.3901510224089523,0.39111583389801746,0.3925240512634536],"n_dims_used":45,"mean_confidence":0.9247127956814236},"coverage":{"mean_confidence":0.9247127956814236,"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}}