{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003603},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004444","490:4900003594","490:4900002148","490:4900004431","490:4900003338","490:4900003878","490:4900003072","490:4900002017","490:4900001732","490:4900004295","490:4900003462","490:4900004430","490:4900004161","490:4900001469","490:4900002320","490:4900003329","490:4900003466","490:4900004302","490:4900002472","490:4900003471","490:4900001699","490:4900002303","490:4900004015","490:4900004017","496:4960006224"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496],"twin_sims":[0.9038554316556884,0.7114061743115621,0.6754096598371686,0.6739805649005273,0.6553636956978018,0.648484638800734,0.6343696921903392,0.6214626023374363,0.6192717010254639,0.6132014610904967,0.6033869956851113,0.5883641140027355,0.5773927683940867,0.5720710062507464,0.5709524838342723,0.5707221470360544,0.525909541812194,0.5230641305559495,0.5142438926599099,0.5031476993666353,0.4952742264384503,0.4924546507817401,0.4862856234673969,0.4762398305706178,0.46114695861437327],"twin_dists":[0.05839612535218129,0.10717781258061017,0.11505968786550543,0.115369781853492,0.11939484411342471,0.12087637864917411,0.1239091617030454,0.12667650751056683,0.12714588496726822,0.12844603199244226,0.13054763613375683,0.1337655875222985,0.13611844286613156,0.13726107120287895,0.13750136358495302,0.13755085313611118,0.14723735558230464,0.147857549488191,0.14978505494585242,0.15222171027849343,0.15395947276774777,0.15458369456704837,0.15595315511588734,0.15819477129886078,0.16159210060272286],"n_dims_used":45,"mean_confidence":0.9171269734700521},"coverage":{"mean_confidence":0.9171269734700521,"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}}