{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009526},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009525","490:4900008776","490:4900012050","490:4900009617","490:4900011951","491:4910005159","490:4900011101","490:4900011365","490:4900011019","490:4900010322","490:4900011632","490:4900010769","490:4900005296","490:4900011961","490:4900010771","490:4900011823","491:4910005360","490:4900008778","490:4900008115","490:4900010828","490:4900011317","490:4900008224","490:4900005947","490:4900012096","490:4900011161"],"twin_admin_codes":[490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490],"twin_sims":[0.05025794093085648,0.01387674035395578,0.011480842738338496,0.008688994997681849,0.00855519327504948,0.005849291749995227,0.005363523624336979,0.005229068337927616,0.004815321764714268,0.0027063162019829727,0.00243448081546612,0.0014026351224920815,0.0011469622584606772,0.0008728314141413885,0.0007940328270259449,0.0007761669454418364,0.0007452509390994028,0.0007207624778898734,0.0005969209442513734,0.0005860975162181592,0.0003676625727102841,0.00034340057238766976,0.00034251950302047977,0.0003339088763154013,0.0003027699943462717],"twin_dists":[0.3176267302832676,0.3798708288661038,0.38819549350373095,0.4001187401603345,0.40077241512324263,0.41646739446385495,0.4199641361705537,0.42098258254974985,0.4242724361837399,0.44659328317220753,0.45057357817434346,0.470762415273987,0.477918290975527,0.48746267750506916,0.490725753546662,0.49150734787859096,0.49290027173019907,0.49404230760574214,0.5004374557367417,0.5010538320458987,0.5165134636046473,0.5187380479102154,0.5188215757880587,0.5196486605721387,0.5228165886645555],"n_dims_used":45,"mean_confidence":0.8864142523871528},"coverage":{"mean_confidence":0.8864142523871528,"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}}