{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000078},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000000031","500:5000000043","485:4850006844","500:5000000249","485:4850006840","500:5000000494","500:5000000062","500:5000000202","500:5000000044","500:5000000253","500:5000000076","500:5000000106","500:5000000255","500:5000000348","485:4850006989","500:5000000459","500:5000000101","500:5000000063","500:5000000100","500:5000000303","500:5000000495","500:5000000251","500:5000000197","500:5000000331","485:4850006770"],"twin_admin_codes":[500,500,485,500,485,500,500,500,500,500,500,500,500,500,485,500,500,500,500,500,500,500,500,500,485],"twin_sims":[0.8943134419947261,0.8457376522596685,0.8068659378083541,0.8043071953368822,0.7939575705647465,0.7939132626446852,0.7911993139278238,0.7814741767584001,0.7812896518319149,0.7812555947700306,0.7748272747275554,0.7719848914915097,0.7689212842193239,0.763289163926149,0.7556298112583967,0.7523338545309975,0.7481136118836949,0.7418793588439605,0.7402263209902579,0.7366652273537632,0.7315973450598653,0.7260287044299295,0.7257601695502484,0.7138874014537216,0.7045438651581267],"twin_dists":[0.06138516206554753,0.07518063129430033,0.0850846907505318,0.0857120450071459,0.08822393265688208,0.08823460184094814,0.08888679853924845,0.0912035526577999,0.09124721667375581,0.09125527441771603,0.09276987370120986,0.09343569939610323,0.0941507941408416,0.09545877949334132,0.09722451141572576,0.09797996749570255,0.0989436360370403,0.10036006584832445,0.10073427262411215,0.10153854986379697,0.10267890295573433,0.10392649102071683,0.10398651479100059,0.1066284616401465,0.1086925605925127],"n_dims_used":45,"mean_confidence":0.9205096774631076},"coverage":{"mean_confidence":0.9205096774631076,"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}}