{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011305},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011369","490:4900010843","490:4900011702","490:4900011436","490:4900011237","490:4900011574","490:4900010410","490:4900011776","490:4900011442","490:4900011232","490:4900011162","490:4900011375","490:4900011374","490:4900011843","490:4900011703","490:4900011437","490:4900011905","490:4900011645","490:4900010666","490:4900010756","490:4900010589","490:4900011234","490:4900011575","490:4900011769","490:4900011640"],"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":[0.5401007579665221,0.4955353975026949,0.39111634215419566,0.2946340416575608,0.28632422232943366,0.28363356730192996,0.27794379260591606,0.2743414834905116,0.2723843987253426,0.2375383424492746,0.2328218648277043,0.22797486832123603,0.2240065845859034,0.21972828254791435,0.21452209667946837,0.20674513150374743,0.19772718547121312,0.19221161330988173,0.1857500328571282,0.18470679194084028,0.18315439289614752,0.18133776474718705,0.18042142478870382,0.17788403926156485,0.176150378145955],"twin_dists":[0.14415478003658141,0.15390170473077291,0.17795650518758988,0.20303841726279911,0.20540137473582362,0.20617525812736293,0.2078264816141196,0.20888256552171172,0.20945988685082897,0.22020725651630826,0.22173813540909929,0.22333275767478722,0.22465507208323932,0.22609828384219252,0.22788014040928153,0.23059715314805093,0.2338366285613838,0.23586854305941057,0.23830134666619038,0.23869967072455775,0.23929534150671225,0.23999694007671285,0.2403527255179719,0.24134463878923842,0.24202815320451515],"n_dims_used":45,"mean_confidence":0.8913241916232639},"coverage":{"mean_confidence":0.8913241916232639,"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}}