{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000714},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000830","489:4890000771","489:4890000511","489:4890000427","489:4890000551","489:4890001063","489:4890000605","489:4890000392","489:4890000772","489:4890000552","489:4890000602","489:4890001125","489:4890000556","489:4890000505","489:4890000778","489:4890000467","489:4890001006","489:4890000606","489:4890001001","489:4890000665","489:4890000829","489:4890000553","485:4850003063","489:4890000769","489:4890001260"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,485,489,489],"twin_sims":[0.9255901955486214,0.8837648489640051,0.8123308427776755,0.8084153127480466,0.8052007855435845,0.8017560580909685,0.7976293598711686,0.7817737720016409,0.7781771310250131,0.7774921585020428,0.7718985386985301,0.7608271174708777,0.7586261777805848,0.7522114678488399,0.7516095646256609,0.7506527765405386,0.7427584414891151,0.7394376419589332,0.7341701544228594,0.7278385907562244,0.7083332685313829,0.699383251744871,0.6961146328451051,0.6951174261592937,0.682946830659116],"twin_dists":[0.051073444134470826,0.06456323451591875,0.08373583011889735,0.08470352959426293,0.08549325080983523,0.08633496475310332,0.08733733386066518,0.09113263704501323,0.09198215231454492,0.09214349500589407,0.09345589141788391,0.09602795670687722,0.09653547879567548,0.09800797066765099,0.09814564149143194,0.09836431348490897,0.10016083468062412,0.10091261452863638,0.10210058831174776,0.10352161228210967,0.1078569229145106,0.10982750628057354,0.11054461817240606,0.11076314095499055,0.11342114820666584],"n_dims_used":45,"mean_confidence":0.9195421006944444},"coverage":{"mean_confidence":0.9195421006944444,"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}}