{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002310},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002311","490:4900004576","490:4900004432","490:4900002308","490:4900003052","490:4900004575","494:4940007278","494:4940007594","494:4940007378","496:4960007893","490:4900002770","494:4940008686","494:4940006841","490:4900002306","494:4940007495","494:4940007595","496:4960009171","494:4940004288","494:4940007700","496:4960012126","490:4900004433","494:4940007374","490:4900000908","494:4940004179","494:4940008783"],"twin_admin_codes":[490,490,490,490,490,490,494,494,494,496,490,494,494,490,494,494,496,494,494,496,490,494,490,494,494],"twin_sims":[0.5752288386962092,0.4626658924746991,0.43138846184647966,0.4256893838746069,0.371458122349352,0.3038684993234018,0.26990889768220916,0.24845124712337885,0.24358263466157484,0.240479116567102,0.23498576019542125,0.23367677931128286,0.22979459152864348,0.22775248024791592,0.2276721890562806,0.22749204557923283,0.22692054305672837,0.22369190657183466,0.21900699841854906,0.2185929856698669,0.21172671097016427,0.21032139716046935,0.20932102098014863,0.20812195303743483,0.20123090657159234],"twin_dists":[0.13658293381322803,0.1612484834658849,0.1684113371422786,0.16973808916676392,0.18277905679940148,0.20045825159200323,0.2101938065221659,0.2167393633879135,0.21827408416334398,0.21926275681657378,0.22103327978985451,0.22145914879364953,0.22273148553874722,0.22340645641136478,0.22343307637457357,0.22349282426750394,0.22368258126524687,0.22476059342826285,0.22634344363162226,0.2264844085677544,0.22884893969327078,0.22933925646402825,0.22968964705469297,0.23011113563082145,0.23256617162021054],"n_dims_used":45,"mean_confidence":0.9165432400173611},"coverage":{"mean_confidence":0.9165432400173611,"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}}