{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890002693},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001878","477:4770000323","489:4890002533","489:4890001702","477:4770000322","489:4890002605","489:4890001944","477:4770000492","477:4770000100","489:4890002288","489:4890001781","489:4890001947","489:4890002776","489:4890002114","489:4890003341","489:4890001866","477:4770000223","477:4770000710","477:4770000103","489:4890002442","489:4890002363","489:4890002128","489:4890001862","489:4890001785","477:4770000273"],"twin_admin_codes":[489,477,489,489,477,489,489,477,477,489,489,489,489,489,489,489,477,477,477,489,489,489,489,489,477],"twin_sims":[0.8511842142907997,0.6678022646845534,0.6616721608463386,0.6415479332456593,0.6246948530536806,0.62109685742996,0.6147519611239096,0.6139525427371403,0.6063429481271135,0.6019516347742343,0.6010890375185707,0.5782378023457481,0.5711289238980589,0.5696674992948451,0.5669820594452863,0.5607014231366919,0.558850393778091,0.5569473210194744,0.5516021982580683,0.5509683997048052,0.5482261867330734,0.5411554938965748,0.5296270858974887,0.5250165468341259,0.5243034800985914],"twin_dists":[0.07372632867671539,0.11670841994782302,0.11803369976215254,0.12236787387056519,0.12598387379093007,0.12675487003526054,0.12811397790020074,0.1282851834454979,0.1299146813897432,0.13085499798870445,0.131039715805704,0.13593709797635317,0.13746345559990242,0.13777747983007277,0.1383547514816609,0.1397061662128535,0.1401048351529516,0.14051490686242235,0.14166778462917853,0.1418046021786197,0.14239685737610927,0.14392632109413567,0.14642818644851824,0.14743191389220378,0.1475873241313986],"n_dims_used":45,"mean_confidence":0.9197079128689236},"coverage":{"mean_confidence":0.9197079128689236,"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}}