{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012734},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012657","490:4900012309","490:4900012379","490:4900013262","490:4900012459","490:4900012797","490:4900012522","490:4900012602","490:4900012372","490:4900013201","490:4900012536","490:4900012929","490:4900012248","490:4900012673","490:4900012667","490:4900012451","490:4900012454","490:4900013162","490:4900012315","494:4940008155","490:4900012526","490:4900012520","490:4900012246","490:4900013086","490:4900012247"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490],"twin_sims":[0.3458941851890762,0.2995562573767459,0.15660676524149583,0.1417122162198503,0.13236605563191542,0.12594890090008845,0.11928741100801363,0.11656801811644978,0.11506313879217453,0.09853632417097927,0.09690856929118101,0.07975254581531263,0.07701556442659573,0.07242764989840139,0.06647871984556902,0.06646378958948274,0.06577086270775552,0.06420211023221314,0.0640877409034817,0.0635035975828271,0.05822482873020175,0.05764093750322774,0.05364117315207714,0.05301369606440608,0.04955405788908966],"twin_dists":[0.1892447653132152,0.2016573206076407,0.25008965911055236,0.25674165510918656,0.26118557267893955,0.2643753979952727,0.2678199288084585,0.2692683914610023,0.27008112503252607,0.279597180983415,0.280600274150032,0.29207768033897374,0.29408744848065,0.29758930855284516,0.3024081287300051,0.3024206566398043,0.30300463026745356,0.304345513644711,0.30444431381259524,0.30495119910206914,0.309714214681644,0.3102626339432579,0.31414801443991275,0.3147791599820451,0.31837485574165614],"n_dims_used":45,"mean_confidence":0.9126374986436632},"coverage":{"mean_confidence":0.9126374986436632,"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}}