{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002396},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003931","490:4900002246","490:4900003790","490:4900003932","490:4900003385","490:4900003380","490:4900004363","490:4900003658","490:4900002838","490:4900002547","490:4900004488","490:4900004078","490:4900002245","490:4900001361","490:4900001779","490:4900004501","490:4900003799","490:4900001121","490:4900001117","490:4900001501","490:4900001640","490:4900004213","490:4900003667","490:4900003945","490:4900003936"],"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":[0.16108908200328928,0.14412104653769547,0.1034739658332599,0.07886319298241558,0.06545807968516357,0.058217190748620674,0.05809763410173617,0.05677219286109902,0.05142510584900133,0.050327874198721936,0.04839304905210574,0.046571727837702075,0.04639642988012439,0.04319577117931893,0.04123775020237367,0.037729185511957766,0.03514976496447424,0.03479403246615502,0.03237602731734791,0.03035615073690364,0.029394273603080653,0.026737922392543613,0.02634528086585356,0.025183303113881592,0.02369986143304793],"twin_dists":[0.248179085107331,0.25563190628086524,0.27663175771744275,0.2927245711962092,0.3032698786479136,0.3097213593227662,0.30983329457135206,0.31108714437249435,0.3164052139076883,0.31755287895876705,0.31962842699406,0.32164651761090407,0.32184421845811384,0.3255688237736634,0.32796335780203156,0.3325051347974234,0.3360783037921831,0.33658843959705964,0.3401787958834537,0.34335808737451545,0.34493624224176866,0.34953721862867315,0.3502503810801533,0.35241599854136635,0.35530992250338],"n_dims_used":45,"mean_confidence":0.917041015625},"coverage":{"mean_confidence":0.917041015625,"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}}