{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000419},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000832","490:4900000952","490:4900004027","490:4900000626","490:4900000280","490:4900000195","496:4960008970","490:4900000830","490:4900000222","490:4900000703","490:4900000265","490:4900000264","490:4900000948","490:4900000836","490:4900000288","494:4940008840","496:4960008259","490:4900000504","494:4940004353","490:4900000177","490:4900004464","490:4900002204","490:4900000934","496:4960009279","490:4900000686"],"twin_admin_codes":[490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,494,496,490,494,490,490,490,490,496,490],"twin_sims":[0.5162924771473951,0.46402293145727486,0.4538157044831351,0.44645097801213196,0.4364879976262897,0.42370736788867647,0.41019906586598853,0.398090631080886,0.37071497478242144,0.35383518226778843,0.3518535468539182,0.34833843073052684,0.320044813240492,0.2898830924986952,0.27591710024160154,0.2689156062697507,0.2580233454483895,0.2448406352745482,0.2414547330290481,0.23919909233414227,0.23907674537784296,0.23545986262725702,0.22758111936242123,0.22663933478346326,0.22466954473636977],"twin_dists":[0.14933667017352603,0.16094182573449312,0.16325632206211418,0.16493811143889717,0.16723017437604604,0.17020121994255138,0.17338246103698973,0.17627327722177724,0.18296377167090058,0.18721073407653727,0.1877160615596735,0.18861610306991866,0.19604546343774923,0.20438444802555158,0.20841960710080507,0.21048945951631987,0.21377713123263362,0.21787564911091814,0.218951073263643,0.2196729382671626,0.21971221877010255,0.22087941682314488,0.2234632773968854,0.22377606763513652,0.22443308338800746],"n_dims_used":45,"mean_confidence":0.9176383124457466},"coverage":{"mean_confidence":0.9176383124457466,"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}}