{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000343},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000955","490:4900001205","490:4900001044","490:4900000503","490:4900000956","496:4960008256","496:4960008272","490:4900001061","490:4900000522","490:4900002036","496:4960006634","490:4900003620","490:4900000136","490:4900004181","487:4870003686","490:4900002033","496:4960008966","496:4960004517","496:4960008967","496:4960008155","490:4900001076","490:4900002180","490:4900002031","490:4900000145","496:4960008875"],"twin_admin_codes":[490,490,490,490,490,496,496,490,490,490,496,490,490,490,487,490,496,496,496,496,490,490,490,490,496],"twin_sims":[0.6920453129326908,0.5833028962182003,0.4968152021740564,0.40413977426077174,0.38916409566311855,0.37655201879441164,0.36402062981277794,0.3622069506523991,0.3497943870474799,0.34375167342575697,0.3425976163193273,0.32482226169613804,0.3181327051176295,0.31542212131588293,0.3031144635830378,0.2961265631130193,0.2950837078446123,0.2925472488107169,0.29215364337925537,0.2906788669629329,0.2867344807403054,0.2858644486259019,0.2856676603768703,0.2826821215530402,0.2787635816570325],"twin_dists":[0.11143561661664354,0.13485058580401446,0.15361875292714652,0.1748242287395544,0.17843016993537053,0.18151780559947042,0.1846360992576848,0.18509183600197865,0.1882427326549925,0.1897977565262223,0.1900963825217256,0.1947664543314758,0.19656036378824673,0.19729327961672902,0.20066720194827045,0.20261821432535576,0.2029116867643674,0.20362804551420052,0.20373953877255188,0.2041580815521396,0.2052837612412545,0.2055333036105822,0.20558980958058443,0.20644997020364603,0.20758731408215678],"n_dims_used":45,"mean_confidence":0.9164074367947048},"coverage":{"mean_confidence":0.9164074367947048,"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}}