{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000650},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000649","490:4900000256","490:4900000384","490:4900000460","490:4900000311","490:4900000255","490:4900000544","494:4940007428","490:4900003016","494:4940006979","490:4900003005","490:4900000548","490:4900003168","490:4900012603","494:4940007105","490:4900012255","494:4940006995","494:4940006900","490:4900012908","494:4940007954","494:4940007956","494:4940008544","494:4940007108","490:4900013194","494:4940008547"],"twin_admin_codes":[490,490,490,490,490,490,490,494,490,494,490,490,490,490,494,490,494,494,490,494,494,494,494,490,494],"twin_sims":[0.4781816107038774,0.26817692417998806,0.18820058318664476,0.18650866102594743,0.1572587324096832,0.09690191318739612,0.09046406353736784,0.07649341661268291,0.07442091788424882,0.06449057236363614,0.061959851142016326,0.06111627517234137,0.05614374054468961,0.05447065508852223,0.05008307909839047,0.049267946965326305,0.04892402301106696,0.04739849564744581,0.04689812137022123,0.044461807386524596,0.04065066286087924,0.03893900669766672,0.038439059246565946,0.03578271644075709,0.03507785920445759],"twin_dists":[0.15776031830605025,0.21070976679669323,0.2373718355097468,0.23801267840872242,0.24980930416562522,0.2806044030011624,0.2847068328239135,0.29447736778469985,0.29604650638891794,0.3040969578780864,0.30630939355351877,0.3070633398277869,0.31169011550977793,0.3133230100657552,0.3178117641039105,0.3186814837586434,0.31905204215924354,0.32072239909641753,0.32128006479018534,0.3240687126550011,0.32869999323921206,0.3309001505652829,0.33155820471653674,0.3351813833776493,0.33618106440298745],"n_dims_used":45,"mean_confidence":0.9125299241807726},"coverage":{"mean_confidence":0.9125299241807726,"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}}