{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011840},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010503","490:4900010926","490:4900010604","490:4900011098","490:4900012043","490:4900012045","490:4900010340","490:4900010939","490:4900011643","490:4900009631","490:4900011161","490:4900011384","490:4900010163","490:4900009962","490:4900010828","490:4900009861","490:4900009335","490:4900009442","490:4900010596","490:4900010233","490:4900011909","490:4900008567","490:4900011317","490:4900009846","490:4900010232"],"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":[0.16257629556920875,0.1460864112977937,0.10086216560794399,0.09093647352538968,0.08772249624949044,0.03613707049862226,0.03468852282076419,0.034233680981026915,0.020505362074735155,0.017878166175543723,0.01572372120875498,0.015189897225043922,0.01348251859455846,0.012735830009100581,0.010122605233735907,0.009909554394120655,0.008747904629864637,0.008295622572662028,0.007640745415425832,0.006201076183563793,0.0059019719408461915,0.004750406926110843,0.00457730858876776,0.004035055353803517,0.004026203255496846],"twin_dists":[0.24755371058837683,0.25473661358733046,0.278186203619551,0.2843980900329793,0.28652424776447666,0.33468512031143716,0.33674059839017295,0.33740108506317096,0.36211787340382706,0.3684489112038119,0.3742812739564382,0.37583462897131664,0.381148380275549,0.38366145762020837,0.3936283052183945,0.3945387660150998,0.3998337944255225,0.40206705226779027,0.40550218124602616,0.414095283506037,0.4161041058216074,0.42481168543872355,0.4262829720561834,0.43124335118019635,0.4313292437460993],"n_dims_used":45,"mean_confidence":0.8914181179470486},"coverage":{"mean_confidence":0.8914181179470486,"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}}