{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001922},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002975","490:4900003669","490:4900004094","490:4900004088","490:4900003268","490:4900001923","490:4900007664","491:4910001268","490:4900002543","490:4900001374","490:4900001508","490:4900005566","490:4900006211","494:4940008349","490:4900004361","490:4900006092","490:4900006927","490:4900002379","490:4900004502","490:4900006204","490:4900001925","490:4900004366","490:4900012972","490:4900006332","490:4900002244"],"twin_admin_codes":[490,490,490,490,490,490,490,491,490,490,490,490,490,494,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.19809533464269785,0.09793951775458566,0.07264029500562379,0.056254455550863024,0.05563121840311555,0.01952759768520867,0.01622910322110967,0.007441379867253244,0.0059117562591410495,0.005239375390135064,0.005145104006804724,0.004758149762292069,0.004599806422996052,0.0035569084511601922,0.003484724884873648,0.0034167247366214816,0.0028980775926228373,0.0028173465679496444,0.0028039445458438853,0.0017693923596541765,0.0017620009246497213,0.001696039063205854,0.0016392240308517982,0.0015698074847008117,0.0015157172330885938],"twin_dists":[0.23370240979047902,0.2799634382099779,0.2974230951996111,0.3115834862883047,0.31218599994974916,0.36438654856758973,0.3728528541794349,0.4066004525311584,0.4160369545210167,0.42090367714437327,0.4216306649954767,0.4247470158858886,0.4260889219116135,0.4361487536457485,0.43694094292560115,0.4377010258272372,0.444000117237488,0.4450721091877827,0.4452527825987718,0.4623648155959455,0.4625175034587413,0.4639068586551712,0.46514406841141037,0.46671051758848003,0.4679760583679436],"n_dims_used":45,"mean_confidence":0.9140347798665365},"coverage":{"mean_confidence":0.9140347798665365,"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}}