{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001447},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001071","491:4910001318","491:4910001137","491:4910001004","491:4910001384","491:4910001055","491:4910002360","491:4910001512","491:4910001134","491:4910001133","491:4910000999","491:4910001120","491:4910001394","491:4910001748","491:4910001631","491:4910001198","491:4910001184","491:4910001054","491:4910001328","491:4910002813","491:4910001007","491:4910001738","491:4910001265","491:4910001513","491:4910001119"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491],"twin_sims":[0.3556689137494349,0.2571167776063978,0.20724414805696798,0.18819960639906383,0.17918489175949984,0.14948046757728115,0.14042070078120367,0.10544290064740677,0.09402025442703377,0.08719902399110692,0.07806988730734789,0.07524860659783542,0.06581742047486312,0.05740878291790986,0.05231808611528553,0.05025945053316568,0.041388538607058795,0.04012103805591646,0.03857531991859279,0.035114173682850594,0.03294594583742084,0.024107147382640158,0.022622592454182987,0.02163737111772465,0.021378120569489626],"twin_dists":[0.1867444292071259,0.21405466128009812,0.23042074608741275,0.23737220431615477,0.24083486576456253,0.2532112586843358,0.2573424446846446,0.27548002591047555,0.28241326251688725,0.28687637632118795,0.293306562848481,0.2954156670174591,0.3029652361299621,0.31048195838189324,0.3154861234365473,0.3176251352010392,0.3277755875074265,0.329372272027751,0.33137813734845123,0.3361291449622139,0.3393124559985287,0.3545001110525993,0.35751151956658733,0.35960617093837,0.36017112039248106],"n_dims_used":45,"mean_confidence":0.8961861504448785},"coverage":{"mean_confidence":0.8961861504448785,"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}}