{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005295},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007426","490:4900004606","490:4900004615","490:4900002969","490:4900004617","490:4900006439","490:4900005162","490:4900004614","490:4900005157","490:4900007046","490:4900003779","490:4900006553","490:4900003921","490:4900006188","490:4900005192","490:4900003499","490:4900003500","490:4900005427","490:4900005421","490:4900002963","490:4900004208","490:4900007047","490:4900004346","490:4900005550","490:4900005027"],"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":[0.20141841162256094,0.12370503851601944,0.06629812329710157,0.058436415006663286,0.04726321853026748,0.04472891761231382,0.04102868708316863,0.03889709578004378,0.03401846255347789,0.031213815156747912,0.030882920758421438,0.029555121682429242,0.027458230533165096,0.02699483539880927,0.025341696639470026,0.024313348548072836,0.0228125683334834,0.02257896627863706,0.021104322142079156,0.020541941804245675,0.020501322813446337,0.019495192202892208,0.018773483017566567,0.018238861531280202,0.017264203952719118],"twin_dists":[0.23249861307909772,0.26551982255885204,0.30255982073500054,0.3095166012351253,0.32087267762411076,0.3237568080768049,0.32822465518613986,0.3309550402624464,0.3377162174529827,0.3419866525495143,0.34251189510545005,0.34466928324975915,0.34825205379765,0.3490754531157744,0.35211577853788695,0.3540946265423488,0.35711675659241815,0.35760257926534517,0.360774280750075,0.3620348437002894,0.36212704974415066,0.3644634208574151,0.3662050577327461,0.36753335856502695,0.370045214577411],"n_dims_used":45,"mean_confidence":0.8999279446072048},"coverage":{"mean_confidence":0.8999279446072048,"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}}