{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010036},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010129","490:4900010911","490:4900008884","490:4900009222","490:4900011888","490:4900010480","490:4900008452","490:4900010223","490:4900008341","490:4900011153","490:4900010220","490:4900008774","490:4900009004","490:4900009735","490:4900011090","490:4900011753","490:4900008782","490:4900008343","490:4900010134","490:4900009936","490:4900011515","490:4900010396","490:4900011429","490:4900010391","490:4900010768"],"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":[0.031915707400301856,0.029361124936261522,0.028315637185816686,0.027069003220561133,0.019874258320238203,0.019428688687541388,0.014664593780244886,0.01209570399355987,0.011853470231134783,0.011831108054400786,0.011312670887995478,0.01095873813937256,0.010783047458980498,0.009985512715636845,0.009698339828636675,0.009612470094155867,0.009390109358896243,0.008497356180790247,0.007932432135920282,0.007828510636822014,0.006804876118252847,0.0063954021474675535,0.006253216740761195,0.006162405984318765,0.005963252383720618],"twin_dists":[0.34088809588112606,0.344991414716572,0.34675958276941155,0.3489428512023533,0.36357109238568613,0.36462153053006197,0.3774108479554469,0.38592198684340473,0.3868051490214639,0.3868874846433012,0.38883614064102645,0.3902125660832549,0.390910559228323,0.3942121782938214,0.39545877411678143,0.3958379239100575,0.39683397035949497,0.40105780862136403,0.40394079034861985,0.4044910830598247,0.4102930476624903,0.41283649100532255,0.4137540784214152,0.4143500139577317,0.4156851732105456],"n_dims_used":45,"mean_confidence":0.8875746832953559},"coverage":{"mean_confidence":0.8875746832953559,"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}}