{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003253},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003126","490:4900003396","490:4900002846","490:4900003403","490:4900003528","490:4900001118","490:4900003526","490:4900003258","490:4900003256","490:4900003387","490:4900002845","490:4900001375","490:4900001511","490:4900003259","490:4900001125","490:4900003804","490:4900002993","490:4900003527","490:4900003390","490:4900004493","490:4900003265","490:4900001120","490:4900003131","490:4900003519","490:4900003264"],"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":[0.3180987001083754,0.15121139438673778,0.1286621714061966,0.1260112537269053,0.11869366887875284,0.08596622151128726,0.0850450222155303,0.07509404053157065,0.07183686945380546,0.06222197958562413,0.0503624101509696,0.04740923736069051,0.04302437096790206,0.042766089192985676,0.040524976892453816,0.03579743464125281,0.033739668023408526,0.03205608246252365,0.03010040911469433,0.028145144431369274,0.02563358689737666,0.025520879680110395,0.02280419616563797,0.018881871307282014,0.017950142323735506],"twin_dists":[0.19656953653497994,0.25244316233276864,0.2630120392389913,0.26434381837682747,0.2681340061133501,0.2877123463153076,0.288343269375857,0.2955330459098062,0.2980531729336509,0.30607683141821473,0.31751643962426157,0.3207104815662707,0.3257747448241998,0.32608635289457677,0.32885886052531343,0.3351606880018646,0.33812697639169764,0.34067087258293494,0.34377345091849626,0.34705322987812587,0.3515667491232204,0.3517781020375475,0.35713409344956204,0.3659398003431773,0.3682649307292988],"n_dims_used":45,"mean_confidence":0.9166692097981771},"coverage":{"mean_confidence":0.9166692097981771,"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}}