{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001994},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001852","491:4910001939","492:4920000868","492:4920001022","491:4910003401","491:4910002975","491:4910001223","491:4910002102","492:4920001228","491:4910000547","491:4910001311","492:4920005218","491:4910000856","491:4910001239","491:4910001555","491:4910000855","491:4910003038","492:4920004997","491:4910002929","492:4920000869","492:4920003351","492:4920005057","491:4910002968","491:4910001043","492:4920007066"],"twin_admin_codes":[491,491,492,492,491,491,491,491,492,491,491,492,491,491,491,491,491,492,491,492,492,492,491,491,492],"twin_sims":[0.1659261355057204,0.1610482261339465,0.10785160446466324,0.1001715068836588,0.09428473693054097,0.07921422119031232,0.07728387895104444,0.07603261982570916,0.07287828327332042,0.0726332363563528,0.07140488070506062,0.06884300624221425,0.06826231561910474,0.06615127599862038,0.060939801182895624,0.0585709611802353,0.058295109145805046,0.05721793701883323,0.05056118986857915,0.048845823190223736,0.0477551253881357,0.046945895183610094,0.045828176041654456,0.04434309831012906,0.042046860286167935],"twin_dists":[0.24616012737701917,0.24819632405925637,0.27409357653755784,0.27860251057233704,0.2822454373605001,0.2924685467820104,0.2938879090081781,0.29482325742955906,0.2972375387791328,0.2974286062462378,0.29839431839751707,0.30045258536576264,0.3009277581433546,0.3026834137384947,0.30722214294863326,0.3093912467158498,0.30964850993448534,0.3106628057626395,0.3173071081399542,0.31913660109935255,0.32032793286989836,0.3212266067047278,0.32248942378171297,0.32420783426684097,0.3269625007260423],"n_dims_used":45,"mean_confidence":0.8979398939344618},"coverage":{"mean_confidence":0.8979398939344618,"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}}