{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000510},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001457","490:4900000285","490:4900000580","490:4900000423","496:4960008286","496:4960008492","490:4900004045","496:4960008386","490:4900000100","494:4940008446","490:4900000824","490:4900000026","490:4900000606","490:4900001320","496:4960006512","487:4870004843","490:4900000489","490:4900000608","490:4900000835","496:4960008767","496:4960007909","490:4900000486","490:4900000104","490:4900000699","496:4960005708"],"twin_admin_codes":[490,490,490,490,496,496,490,496,490,494,490,490,490,490,496,487,490,490,490,496,496,490,490,490,496],"twin_sims":[0.48086848492776957,0.4337182842471582,0.40901124613605333,0.405492855153749,0.3651801454270582,0.36410766968547253,0.3632621141897779,0.3582887261969487,0.35766567825990164,0.3567475752921704,0.35534966388110845,0.35168293807080625,0.35128513376022097,0.33311836579883874,0.3303854854742245,0.3281009434907656,0.3212893272789726,0.32016432743095247,0.3109327349651412,0.2981437891473731,0.29401114686832625,0.2906722224787196,0.2903002133788426,0.2848351795529769,0.2830436494540579],"twin_dists":[0.15716009334318043,0.16787100875701438,0.17366434804278633,0.17450144374080745,0.18434534036364528,0.18461425702149187,0.18482655695960273,0.18608037644319206,0.1862380755850804,0.18647071332874454,0.1868255226156275,0.18775963688307978,0.1878612832457367,0.19256996114267697,0.1932901682449906,0.19389473369867638,0.19571126285163667,0.1960133376278838,0.1985150699990541,0.2020522639799588,0.203214158151327,0.20415997011692047,0.20426574747062495,0.20582910818295044,0.2063455201529026],"n_dims_used":45,"mean_confidence":0.9129833645290799},"coverage":{"mean_confidence":0.9129833645290799,"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}}