{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002495},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002343","490:4900001202","490:4900003897","490:4900002028","490:4900003216","490:4900002491","490:4900002333","490:4900002025","490:4900001453","490:4900001722","490:4900003623","490:4900001863","490:4900000946","490:4900001201","490:4900001333","490:4900002193","490:4900003895","490:4900003888","490:4900001331","490:4900003330","490:4900001737","490:4900003896","490:4900003214","490:4900003755","490:4900002190"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.8930010605577463,0.8487977480659157,0.7418397492303486,0.662603478649745,0.6423269789012448,0.6067485797992543,0.5972336679138321,0.5927049660210255,0.5862019831327523,0.5731952645411015,0.5673301590874582,0.558811299839793,0.5463358537743755,0.5436477042176436,0.5229753877628909,0.5221035758645111,0.5195572331875759,0.49460742661262896,0.4827259244432358,0.48239668037475153,0.4807292988647807,0.4764195402632893,0.4758104116536244,0.475723959701604,0.4678536641488197],"twin_dists":[0.06178737217675565,0.07436589662153058,0.10036903902568424,0.11783253055506557,0.1222004768670934,0.12982782476245608,0.1318653780242786,0.13283544931163305,0.13422902017986318,0.13701959615889053,0.13827990488163236,0.1401132570624201,0.14280541475445685,0.14338682701806568,0.14787690438062476,0.14806708748966038,0.14862298669806953,0.15410700112767137,0.1567457797434509,0.15681918305325876,0.15719116001911368,0.15815453901799395,0.15829092697544922,0.1583102887620799,0.1600778492487203],"n_dims_used":45,"mean_confidence":0.9170922173394097},"coverage":{"mean_confidence":0.9170922173394097,"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}}