{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007022},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007143","490:4900007273","490:4900007268","490:4900007147","490:4900006778","490:4900007393","490:4900006769","490:4900007020","490:4900006531","490:4900006183","490:4900007987","490:4900008758","490:4900006903","490:4900007749","490:4900002203","490:4900006768","490:4900007632","490:4900006656","490:4900006291","490:4900006530","470:4700003130","490:4900006660","496:4960012065","490:4900006659","470:4700002446"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,470,490,496,490,470],"twin_sims":[0.813593295620504,0.7932721760754826,0.7168845686268366,0.7116610088352117,0.7086008132839712,0.6725017831360279,0.6132539086891676,0.6003989083132132,0.5262969904418912,0.5172673877588826,0.5007508143735395,0.49307901598329973,0.48457938136477763,0.48129704752092123,0.47514087876774813,0.4613337598961036,0.45584185137459343,0.4535944284950726,0.4489545027501561,0.4436942037457146,0.4291992705265754,0.4291970429218035,0.42148312169991564,0.41833204679872205,0.41733049603019606],"twin_dists":[0.08342243313928643,0.08838889555565088,0.10596364523641244,0.10712143325125889,0.10779784904666936,0.11569047230833862,0.12843480017996423,0.13118750441034607,0.14715296435298056,0.149123439008436,0.15274992007590604,0.15444537754531193,0.15633285233166735,0.15706445499475524,0.15844090570931435,0.16154982041163307,0.1627954133873668,0.16330670359128527,0.16436525634163504,0.16557032946912903,0.1689201292110593,0.1689206474689373,0.17072203114649026,0.17146184964492922,0.1716974924031329],"n_dims_used":45,"mean_confidence":0.9154141743977865},"coverage":{"mean_confidence":0.9154141743977865,"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}}