{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002511},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002508","490:4900002358","490:4900001611","490:4900004870","490:4900002512","490:4900001220","496:4960012062","490:4900002509","490:4900005014","490:4900002662","490:4900004871","490:4900001211","490:4900002510","496:4960011571","496:4960011572","490:4900002507","496:4960011750","496:4960011664","496:4960011914","490:4900002049","469:4690002440","490:4900000291","490:4900000181","490:4900000523","490:4900001356"],"twin_admin_codes":[490,490,490,490,490,490,496,490,490,490,490,490,490,496,496,490,496,496,496,490,469,490,490,490,490],"twin_sims":[0.8302544811185775,0.8288334044268509,0.7135487726126718,0.6714595781493686,0.6555945456854457,0.5932699524886812,0.573807897909403,0.5440855910996463,0.5284307900047234,0.5277197586131361,0.5206775209294567,0.5192321385822684,0.5063245543304739,0.4960414729102205,0.4945758851951197,0.4844447918065108,0.4523450069559156,0.45118593641224164,0.4453335160569043,0.4408946842543115,0.4285085330384978,0.41380748093322783,0.4076494183647551,0.4016504088933107,0.4007614576441304],"twin_dists":[0.07921769306504815,0.07958161422683142,0.10670348889099894,0.11591637569319439,0.11934507915613705,0.13271441063097972,0.13688803138274463,0.14329208307070773,0.14668843996269362,0.14684318466751503,0.14837833530466316,0.1486940049916816,0.151522667310763,0.1537897915928238,0.15411398103907206,0.15636282066367532,0.16359134982916085,0.163855672074775,0.16519420148936373,0.16621389890693009,0.1690808838228887,0.17252831487537576,0.17398797411337089,0.17541935012181403,0.1756322706234622],"n_dims_used":45,"mean_confidence":0.9153774685329861},"coverage":{"mean_confidence":0.9153774685329861,"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}}