{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003649},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003514","490:4900004219","490:4900003132","490:4900002395","490:4900003652","490:4900001512","490:4900003252","490:4900003653","490:4900003254","490:4900001379","490:4900004354","490:4900001515","490:4900003251","490:4900003515","490:4900001372","490:4900002986","490:4900003139","490:4900003133","490:4900004493","490:4900003794","490:4900003657","490:4900003654","490:4900004365","490:4900003952","490:4900001506"],"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":[0.2749862251262817,0.18672770370664737,0.12888175869642107,0.11886274101309362,0.08985974772101697,0.08230185024530959,0.07836066764915661,0.07133728961143533,0.05088508933814149,0.048838552637384354,0.04721097170722454,0.04646305246580921,0.037879532627624175,0.034821800055200365,0.03132251946025316,0.030624878520811975,0.02837582437223563,0.02801476689899216,0.027310048932433828,0.0272707389406289,0.027094082246310887,0.026906301875343205,0.026807612620854848,0.02654218568914271,0.02511755259159487],"twin_dists":[0.20869292676815326,0.23792948319346965,0.2629026566086084,0.2680444482589537,0.28510364935682475,0.29025490432771983,0.2930926887296951,0.298447846937314,0.316967478204534,0.319144468622863,0.3209308145898363,0.32176900803647307,0.3323033283941704,0.33654846036383435,0.3418151414622326,0.34292485079997415,0.34665628273631155,0.3472788187101661,0.34851404512513773,0.34858375225494903,0.34889808414605084,0.34923415054055335,0.34941158347106,0.34989160195976027,0.35254110193058924],"n_dims_used":45,"mean_confidence":0.9130452473958334},"coverage":{"mean_confidence":0.9130452473958334,"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}}