{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003896},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003895","490:4900003755","490:4900002178","490:4900001596","490:4900002331","490:4900003754","490:4900002333","490:4900001722","490:4900001572","490:4900003074","490:4900002190","490:4900001331","490:4900004185","490:4900002177","490:4900001201","490:4900002179","490:4900002327","490:4900002160","490:4900001862","490:4900001571","490:4900004149","490:4900004172","490:4900003330","487:4870004560","490:4900001166"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,490],"twin_sims":[0.9166830613982023,0.8912686387948265,0.8892940348089451,0.7857790857172626,0.7485573562232792,0.7392764721086068,0.735185166530628,0.7291792827862564,0.70957144429838,0.6879187777133053,0.6863426001920137,0.6762441623285897,0.6760839621356338,0.6644927591104784,0.6508168373117629,0.6423223861088243,0.6372422599377723,0.6255025947876329,0.6197879868687846,0.6118483492027995,0.610931157429668,0.6096347557991315,0.6053982415970953,0.5956801196457001,0.5852131708631392],"twin_dists":[0.05417291759145654,0.062315233752082866,0.06291272192800668,0.09018183412948957,0.0988424971085319,0.10094904404725345,0.101872091500474,0.10322132199958009,0.10758344896809804,0.11233722795832561,0.11268112285011646,0.11487852935563159,0.11491331131443415,0.11742424892074067,0.12037438869222064,0.12220146381730398,0.12329260570142846,0.12581075061751099,0.1270352831337517,0.1287357980686766,0.12893220611268422,0.12920981123703434,0.13011696868438324,0.13219812586081003,0.13444099857011255],"n_dims_used":45,"mean_confidence":0.9176862928602431},"coverage":{"mean_confidence":0.9176862928602431,"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}}