{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010161},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010343","490:4900010062","490:4900009763","490:4900010068","490:4900009562","490:4900010244","490:4900010060","490:4900010142","490:4900009957","490:4900010251","490:4900008805","490:4900010256","490:4900009864","490:4900011015","490:4900010057","490:4900009663","490:4900010332","490:4900010500","490:4900010854","490:4900008125","490:4900009860","490:4900010345","490:4900010245","490:4900008679","490:4900011095"],"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":[0.48022715190641974,0.4588341356888197,0.433139859238805,0.4062632095415643,0.33847413079068395,0.3052362507864778,0.29416729111483503,0.2398854515232507,0.23184751142222568,0.23006563947703107,0.20778105491926044,0.2035961315233074,0.2022264038197375,0.19794886715892074,0.19352056049993926,0.19098302256654529,0.18148851486238932,0.17589657537625825,0.1673875285318183,0.1661929682005478,0.15932986810351632,0.1544853300405853,0.14561550012215438,0.1452087270301898,0.1354712007257728],"twin_dists":[0.1573032642240435,0.16211608505149921,0.1680050466931113,0.17431788617529004,0.191167799668861,0.20008000100003676,0.20317008361812902,0.21945281884622592,0.22205692073062877,0.22264219540859967,0.23023126780649705,0.23171712310178735,0.23220798524000755,0.23375578781347015,0.23538270324838198,0.23632665901675187,0.23993853053790543,0.2421286188351457,0.245558527561659,0.2460499981937358,0.24892427302577444,0.2510078499732921,0.25495031347242414,0.25513531976880033,0.2596837825486116],"n_dims_used":45,"mean_confidence":0.8898713853624132},"coverage":{"mean_confidence":0.8898713853624132,"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}}