{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008405},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009083","490:4900009300","490:4900008066","490:4900010381","490:4900010293","490:4900009700","490:4900008978","490:4900009511","490:4900009599","490:4900008639","490:4900008307","490:4900008638","490:4900010970","490:4900009090","490:4900008194","490:4900010472","490:4900010979","490:4900008079","490:4900009089","490:4900008526","490:4900009294","490:4900008404","466:4660003429","490:4900008863","490:4900010644"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490],"twin_sims":[0.525009792561964,0.4799439177846741,0.3836975493603781,0.3757693831069335,0.35396833107501435,0.3287039230286129,0.32655193401759725,0.3260727861622956,0.323611516817038,0.3176846086593009,0.3091380105594896,0.30893359307699547,0.3075683613775062,0.2897482916318984,0.2797895099161179,0.27905522338705085,0.27681037659302504,0.25989618722410857,0.25689923655623276,0.2525343164654956,0.24714521797864208,0.24645346349267433,0.23438595870507778,0.2333514802704867,0.22003629131570265],"twin_dists":[0.1474333857382308,0.15736651263518162,0.17976249290897606,0.18171103968708247,0.1871768332070748,0.19373494097422927,0.19430597352251144,0.19443339870410525,0.19508959448129962,0.19668128080205668,0.19900632266203258,0.19906237954056716,0.19943731136964624,0.20442283022560498,0.20728860909556843,0.2075023329844941,0.20815785687073637,0.2132057342705111,0.21412134962650325,0.21546706898167003,0.21714914758562376,0.21736675830383673,0.22122822806623868,0.2215652254337826,0.22599375798669455],"n_dims_used":45,"mean_confidence":0.9159779866536458},"coverage":{"mean_confidence":0.9159779866536458,"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}}