{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009137},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008461","490:4900009232","490:4900009134","490:4900009233","490:4900009653","490:4900009564","490:4900009352","490:4900009347","490:4900009560","490:4900008132","490:4900009237","490:4900008131","490:4900009449","490:4900009240","490:4900009854","490:4900009855","490:4900008803","490:4900008241","490:4900009244","490:4900008888","490:4900008239","490:4900009859","490:4900008703","490:4900008021","490:4900009123"],"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":[0.30018960725284183,0.29440130536920506,0.17988146464556137,0.16510740044058936,0.15577792523715006,0.15122919560473225,0.11738121488493779,0.11642478412157134,0.11638413848590008,0.11395981374375613,0.08913955256309031,0.08221141489940749,0.07236198329176302,0.06516991003321276,0.06417130551342831,0.060441350277645446,0.05479645461647562,0.053953049854525655,0.0535938531726015,0.05211638162770998,0.05133910973147025,0.049585324933690195,0.04673318432695642,0.046024415718241056,0.04539328711909007],"twin_dists":[0.20148058232098795,0.20310405476493648,0.24056297406957372,0.24649884170904254,0.25044730522414205,0.25243529675762544,0.26883255888107416,0.26934539911084177,0.26936726488217233,0.27068219950332234,0.28557932834963423,0.2903187876740072,0.2976407164678113,0.3035151718509389,0.30437211072517817,0.3076727317436634,0.31300181390843057,0.31383658914545154,0.31419539700098237,0.31569257947512885,0.31649442315423737,0.3183414360562186,0.32146497739764407,0.32226585619369075,0.3229877473165068],"n_dims_used":45,"mean_confidence":0.8919545491536458},"coverage":{"mean_confidence":0.8919545491536458,"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}}