{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012131},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007224","490:4900012816","490:4900011467","490:4900009503","490:4900012197","490:4900006128","490:4900007830","490:4900006131","494:4940007438","490:4900008398","490:4900006971","490:4900006125","490:4900008040","490:4900007223","490:4900006129","490:4900005733","490:4900007829","490:4900006024","490:4900006127","490:4900006130","490:4900006845","494:4940006795","490:4900008619","490:4900009398","490:4900008287"],"twin_admin_codes":[490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490],"twin_sims":[0.05450774497283597,0.03204598113590932,0.023756721639099216,0.01948294213874038,0.018762142257347274,0.01630753068261076,0.013485085631177039,0.013220579934465276,0.011195493176968616,0.009758448596751217,0.009261292513112451,0.008862613598249988,0.008785652923260697,0.008562781009839576,0.008220770810234613,0.007968847160731506,0.006763032060944994,0.005019342390645959,0.004994404299969268,0.0049674327536037505,0.004123460674633256,0.003630855073454132,0.003359045778091794,0.0029305583794941394,0.0029021512510070953],"twin_dists":[0.3132863641259632,0.34068647669804875,0.3551961461360206,0.36449250951901346,0.3662328891532778,0.37263469993611886,0.3811399551164899,0.38201562502371605,0.38928754724531,0.39519514746915607,0.39742067025273675,0.39928383791185545,0.39965210701983467,0.4007351021475417,0.4024471224235648,0.40374949159974016,0.4105465439814169,0.4226194982714972,0.4228182420531,0.423034205647663,0.43039482160354814,0.43535226485553835,0.4383566337666985,0.4435765075019865,0.44394675177807824],"n_dims_used":45,"mean_confidence":0.8986797756618924},"coverage":{"mean_confidence":0.8986797756618924,"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}}