{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004512},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003683","490:4900002564","490:4900003961","490:4900003561","490:4900003966","490:4900004650","490:4900004787","490:4900003962","490:4900001958","490:4900002264","490:4900005078","490:4900004933","490:4900010113","490:4900003837","490:4900004794","490:4900003559","490:4900004118","490:4900003427","490:4900009976","490:4900004117","490:4900004381","490:4900011816","490:4900004649","490:4900001948","490:4900003695"],"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":[0.2753925846396126,0.19476392663459238,0.1883945863396561,0.13453140202760802,0.129896306986097,0.12752476250566577,0.11779000320974177,0.11707725504052076,0.110698485984646,0.0962420284156448,0.09535794103155669,0.09507602113024985,0.0917528155862666,0.09019467980600801,0.08742402277717919,0.0834145569592324,0.08308501880681105,0.08194097611977366,0.08180223320122153,0.08140761882069679,0.08115387494155421,0.07825812425427349,0.07751697905182148,0.07636037271366855,0.07550381117515323],"twin_dists":[0.20857354362715025,0.23492331738753872,0.23729861216362316,0.2601355593131581,0.26239910230206825,0.26358088583497863,0.2686143427394934,0.26899519425215407,0.2724855336671523,0.2810148474666899,0.28156822797853004,0.28174554032043136,0.2838675498723869,0.2848834601138229,0.28672481915029774,0.289473447716881,0.2897040104816233,0.29051016107604705,0.29060853737175546,0.2908890724237001,0.2910700369537513,0.29316803829742605,0.29371500973593356,0.2945770622666849,0.29522228730029754],"n_dims_used":45,"mean_confidence":0.9308319091796875},"coverage":{"mean_confidence":0.9308319091796875,"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}}