{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003531},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003382","490:4900003664","490:4900003659","490:4900003933","490:4900003802","490:4900003387","490:4900003264","490:4900003393","490:4900002842","490:4900003656","490:4900002837","490:4900003250","490:4900003384","490:4900003804","490:4900003383","490:4900002835","490:4900001641","490:4900004220","490:4900003524","490:4900003525","490:4900003791","490:4900003386","490:4900002093","490:4900002843","490:4900003663"],"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":[0.318580659647639,0.1526025613665248,0.1412730329052315,0.12384896831543597,0.0905208236267461,0.06797200821422465,0.06644541397735584,0.06202435145941779,0.05295618010879466,0.049593560993630305,0.04026467501353308,0.036598767354223516,0.034453312176970737,0.034339521140052176,0.02740558783659965,0.023352911206840493,0.022109126333773592,0.0200468831164674,0.018550013096997352,0.0173512737303486,0.015615586643391674,0.014682249314754325,0.011099387243766148,0.010720235190861693,0.010492886334833139],"twin_dists":[0.19643958094942296,0.2518305073527362,0.2569454960257402,0.2654459433949622,0.28466966998211907,0.3011665477355746,0.3024360786833439,0.3062520936972225,0.31483732174352486,0.31833263589165134,0.3291892096288759,0.3340446908484085,0.3370812263980903,0.3372467278370569,0.3483449885804129,0.3560093342851236,0.35859306933768503,0.3631696427064173,0.36675620620380656,0.36981583458095113,0.37459214203689034,0.37735706882388914,0.389660923502025,0.39116255965282526,0.3920857962545508],"n_dims_used":45,"mean_confidence":0.921197255452474},"coverage":{"mean_confidence":0.921197255452474,"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}}