{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001224},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002661","490:4900000512","490:4900001623","490:4900001454","487:4870004411","490:4900002663","490:4900000609","490:4900000056","496:4960006770","487:4870003690","466:4660003063","490:4900007509","490:4900002038","490:4900000055","490:4900005539","490:4900000135","487:4870004418","496:4960008163","478:4780008936","496:4960011734","496:4960007291","487:4870003974","496:4960006372","490:4900005792","490:4900002198"],"twin_admin_codes":[490,490,490,490,487,490,490,490,496,487,466,490,490,490,490,490,487,496,478,496,496,487,496,490,490],"twin_sims":[0.5335291655560686,0.28031800427709674,0.272640010358629,0.23124548008724422,0.23015666133012141,0.22889598916696852,0.22827089172275675,0.222090085655179,0.2145438209794604,0.20444672207902034,0.19740063243992678,0.19615555262038392,0.19123430672033664,0.19063560652815906,0.18645355445598663,0.18080346766197358,0.1686484730225416,0.16522976838148254,0.1636534802434184,0.1634546999635214,0.1584022113952861,0.15822347237497533,0.15511258619216772,0.15411942550127314,0.15358567587139096],"twin_dists":[0.14558015215662887,0.20713499456843346,0.2093843393947287,0.22225433180130827,0.22261222604904699,0.22302800648209384,0.22323473019296974,0.2252992732468493,0.2278726449176166,0.23141344068277614,0.23395582703181803,0.2344115626108559,0.2362327935119007,0.23645657603133213,0.23803361939048148,0.24020423545027367,0.24504247795897813,0.24644814057177877,0.2471033383336721,0.2471862867569115,0.24931963340622088,0.24939600431808012,0.25073540824144275,0.2511671507822707,0.2514000225777642],"n_dims_used":45,"mean_confidence":0.9022551642523872},"coverage":{"mean_confidence":0.9022551642523872,"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}}