{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002754},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002902","490:4900002903","490:4900002901","490:4900003756","490:4900002627","490:4900002456","490:4900002457","490:4900003758","490:4900001701","490:4900003586","490:4900004430","490:4900003329","490:4900003476","490:4900004429","490:4900002334","490:4900001469","490:4900004000","490:4900003338","490:4900004561","469:4690002630","490:4900002472","490:4900002160","490:4900002183","496:4960000951","487:4870002886"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,469,490,490,490,496,487],"twin_sims":[0.7870617201741856,0.7657101755526505,0.7248790915303284,0.6648478072315838,0.6374015445431817,0.5660918960658912,0.5420269755072104,0.47530374498206895,0.46800690039677967,0.41970386143134286,0.40865702223740563,0.4076501836416292,0.3786116669266182,0.3664338631593115,0.36283221983625724,0.36160264426290484,0.3602724280006111,0.3532618904310051,0.3487237328206356,0.34522520682697494,0.3284362951389958,0.31625964470659285,0.31320434892930016,0.3090031958680683,0.3073379312797277],"twin_dists":[0.08987626233825947,0.09489756319920335,0.10418336903260826,0.11734749283262864,0.12325840887087547,0.13854617479585574,0.14373761802711288,0.15840441649002898,0.16004333935442588,0.17113948171646956,0.1737484803064699,0.17398779211812518,0.1810102085098352,0.1840314821004416,0.18493458964026085,0.1852439415181679,0.18557921679866868,0.18735677494080263,0.18851721527782092,0.18941723591763301,0.19380584381160842,0.19706644256693692,0.19789560210079288,0.19904329015604608,0.19950068849908484],"n_dims_used":44,"mean_confidence":0.9160839427601207},"coverage":{"mean_confidence":0.9160839427601207,"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}}