{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011906},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011707","490:4900011011","490:4900011905","490:4900011776","490:4900011702","490:4900011843","490:4900011703","490:4900011020","490:4900011319","490:4900011167","490:4900010426","490:4900011174","490:4900011768","490:4900011829","490:4900011234","490:4900011175","490:4900011694","490:4900011574","490:4900011645","490:4900011455","490:4900011585","490:4900010410","490:4900009940","490:4900011900","490:4900011165"],"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":[0.31143932756127907,0.2533201112234447,0.25178412748440165,0.2405949278425421,0.2228104021178884,0.2153036569945198,0.21009135791588807,0.18880529203072405,0.18637088396685397,0.1846576214327019,0.18212339708544073,0.18090901831330594,0.15942983683364578,0.15492548025576394,0.15089083065303166,0.14803642772309575,0.13899994425732998,0.13656554738184234,0.13518367732205566,0.11806331936172859,0.11538289124047847,0.10933086561195914,0.10888937036063363,0.10706750836307752,0.10656471102604659],"twin_dists":[0.19837669920418938,0.2152237219692449,0.21569983973448525,0.219225715328067,0.22505671693627957,0.22761080188085303,0.2294197292787416,0.23714377202468542,0.23806504305750398,0.23871848373957533,0.239692915167681,0.2401632498302418,0.24888176721591124,0.2508165910958945,0.2525849220312337,0.2538570796599579,0.2580081313056911,0.2591606639098404,0.2598217494824038,0.26846876677294496,0.26990775749065576,0.27325397872296725,0.2735036361276538,0.27454223897409896,0.27483128498257525],"n_dims_used":45,"mean_confidence":0.8899426778157552},"coverage":{"mean_confidence":0.8899426778157552,"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}}