{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004213},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004072","490:4900003938","490:4900004071","490:4900004214","490:4900003939","490:4900004079","490:4900003380","490:4900004363","490:4900004360","490:4900003385","490:4900004080","490:4900001234","490:4900004070","490:4900003940","490:4900003667","490:4900003941","490:4900003269","490:4900002973","490:4900001232","490:4900003936","490:4900002681","490:4900003805","490:4900004215","490:4900001243","490:4900001233"],"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":[0.8723261079746081,0.7882355900519123,0.7307799504106353,0.6952364350820598,0.6431255064151303,0.5953337886614102,0.5572873212844799,0.5442066712712806,0.5086339164441209,0.4687575546392832,0.4545267318106877,0.4314224526980707,0.4217514394732041,0.4119911677845994,0.41080199190981403,0.39552898915751195,0.36306183707303263,0.35397407710253076,0.3403740236090275,0.3096188387438509,0.21646589705519784,0.2019488783584832,0.19543564473248284,0.189194265142104,0.18918697380026603],"twin_dists":[0.06788149417804831,0.08959612722672557,0.1028623796983475,0.11073706815213195,0.12202886640758247,0.1322723089783626,0.14044162927608317,0.14326588781280492,0.1510152416846023,0.15987434232425898,0.16309449179137675,0.1684034455806124,0.17065914294520862,0.17295784565256364,0.17323951504096452,0.17688992868648137,0.18487687864438807,0.187175370366283,0.19067328107415923,0.19887455021647307,0.2272114913031784,0.23230771859620858,0.23467598503349424,0.23699734254797783,0.2370000854453806],"n_dims_used":44,"mean_confidence":0.9160856767134233},"coverage":{"mean_confidence":0.9160856767134233,"n_dims_used":44,"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}}