{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001561},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001174","490:4900000809","490:4900003619","490:4900002777","494:4940007163","490:4900003483","490:4900004443","490:4900002454","490:4900003885","490:4900001570","490:4900004433","496:4960009172","490:4900003173","494:4940008740","490:4900003232","490:4900001175","490:4900002475","490:4900003841","494:4940007619","490:4900004415","494:4940007894","494:4940004056","494:4940007791","490:4900005255","490:4900004287"],"twin_admin_codes":[490,490,490,490,494,490,490,490,490,490,490,496,490,494,490,490,490,490,494,490,494,494,494,490,490],"twin_sims":[0.5179192371768013,0.48256736259845157,0.44063895442815443,0.43582049289631997,0.384787060317628,0.35804081606835886,0.3514618369694734,0.345017842907548,0.3352429852999639,0.2939704681505748,0.2923284276207853,0.26900646178007254,0.2582400418023389,0.23136673204311511,0.2247495960312627,0.2222682586988945,0.22128933967229647,0.21931656329618396,0.21866985764977864,0.21280484338383135,0.20972201191241469,0.20115729957252065,0.1999897574569942,0.19044078877399226,0.18710737566490032],"twin_dists":[0.1489809215587483,0.15678112834783514,0.16627276645642033,0.16738446767872206,0.17949623833901385,0.18614310789505698,0.18781612489537663,0.18947073274569393,0.19201227511838603,0.20322564272723193,0.20369001813293575,0.21046238833684622,0.21371088456418347,0.2222145450941482,0.2244063081389324,0.22523922719502268,0.22556953040233707,0.22623815833500266,0.22645822131239837,0.22847427091787934,0.22954906002409764,0.2325927042468014,0.23301445726894898,0.2365295009324093,0.23778544106601995],"n_dims_used":45,"mean_confidence":0.9174468994140625},"coverage":{"mean_confidence":0.9174468994140625,"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}}