{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004072},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004213","490:4900004071","490:4900004214","490:4900003385","490:4900003939","490:4900003938","490:4900003380","490:4900003667","490:4900003940","490:4900004363","490:4900004080","490:4900002973","490:4900004079","490:4900004360","490:4900003269","490:4900001234","490:4900003941","490:4900004070","490:4900003946","490:4900002679","490:4900001232","490:4900003936","490:4900001233","490:4900003248","490:4900003534"],"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":[0.8723261079746081,0.6492601522589548,0.6031013149448012,0.5651676173883011,0.5606633760643728,0.5531252893046623,0.5163935435897614,0.5050781168364481,0.5035660884511346,0.4781163745381001,0.405189574625634,0.37118851582648205,0.36750284189548094,0.35530426512458435,0.3461781030320774,0.33301920585959205,0.28231909132163674,0.28145779452956377,0.22732783422019417,0.21596885746852543,0.20058950185178162,0.19850024655770807,0.1895109258626919,0.18175576526091594,0.15456686247356166],"twin_dists":[0.06788149417804831,0.12070948636473548,0.1306088098389872,0.13874497300354813,0.1397143588496968,0.14133909828135566,0.1493145605139113,0.15179679571199728,0.15212957904376478,0.1577749049379845,0.17457375109690293,0.18284604832533632,0.18376429732486677,0.18683705751664378,0.18917162126369888,0.1925960366080693,0.20655493555054436,0.20680429506554665,0.2235473152876747,0.22738208185421602,0.23279759948206027,0.23355498709932984,0.2368782906442117,0.23983506612558217,0.25097239153175527],"n_dims_used":44,"mean_confidence":0.9153053977272727},"coverage":{"mean_confidence":0.9153053977272727,"n_dims_used":44,"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}}