{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003847},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003704","490:4900003176","490:4900003708","490:4900003564","490:4900001417","490:4900003307","490:4900004280","490:4900002129","490:4900004124","490:4900003573","494:4940008785","494:4940007591","490:4900004137","490:4900004541","490:4900007121","494:4940008581","490:4900003572","490:4900004421","490:4900001687","490:4900003175","494:4940007590","494:4940008098","494:4940008578","494:4940008500","490:4900004002"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,494,494,490,490,490,494,490,490,490,490,494,494,494,494,490],"twin_sims":[0.6411739255582717,0.6137348478872164,0.601974136240643,0.5886441790024078,0.542604109032065,0.5339449574416842,0.4067140876342338,0.38243915694981867,0.3743539377334773,0.36470742283769236,0.35939343002019614,0.35839988264875283,0.3336298977869668,0.32860295642724296,0.31609488043752587,0.313107728353228,0.30906151733628845,0.30114679944476536,0.2988411695121077,0.29220252467415564,0.2849976858692358,0.284309000168747,0.2789189586530524,0.26971356209113556,0.2616826479970947],"twin_dists":[0.12244822939653376,0.12833180455926957,0.13085017954843553,0.1337055655784174,0.14361268124194998,0.14548986439452308,0.17421052425791753,0.18007046896325982,0.18206101653047638,0.1844638234695063,0.1858011110147072,0.18605225652163343,0.19243551394115116,0.19376168638794003,0.19711104086505732,0.1979218982122222,0.1990272967083256,0.20121388783677444,0.20185713119080634,0.2037256877383164,0.20578236234186145,0.20598057684195897,0.20754203225611426,0.21025189488676296,0.21266310021426685],"n_dims_used":45,"mean_confidence":0.9226186964246962},"coverage":{"mean_confidence":0.9226186964246962,"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}}