{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005286},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005153","490:4900005417","490:4900005152","490:4900005285","490:4900005416","490:4900005292","490:4900005293","490:4900003634","490:4900005019","490:4900003632","490:4900005288","490:4900004193","490:4900005294","490:4900007667","490:4900004331","490:4900003367","490:4900003922","490:4900005422","490:4900003240","490:4900005950","490:4900006791","490:4900007532","490:4900004603","490:4900004206","490:4900003780"],"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":[0.9195859070204127,0.8355834187267183,0.710513196690095,0.5138244620987205,0.45907974101049115,0.42108433630040176,0.3809679598444431,0.37783188506808707,0.3353310686092924,0.3247027657105624,0.3109948892191866,0.3058006543366041,0.2970495099817659,0.27095725825184436,0.24838683532795422,0.23616965469576012,0.22317058573070245,0.2150736309040457,0.2121584783419139,0.2083775621606127,0.1930374276705173,0.19268829590829278,0.17941993935711326,0.16938339459364543,0.16789341485102857],"twin_dists":[0.05317937990110567,0.07784349866793568,0.10737529958709827,0.14987691234859143,0.16206039699950936,0.1708155294673807,0.18043114365301666,0.18120222613049294,0.19198919586924343,0.19479831724152372,0.1984980862408732,0.1999242016834674,0.20235899311813435,0.209882490895144,0.21675954102050227,0.22064944264254874,0.22493562638439707,0.2276900040470245,0.22869873861328632,0.23002114715747093,0.23556175975678192,0.23569134762136373,0.24074303654872722,0.2447429855450081,0.24535115538807634],"n_dims_used":44,"mean_confidence":0.8944920626553622},"coverage":{"mean_confidence":0.8944920626553622,"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}}