{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003795},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003523","490:4900003263","490:4900003399","490:4900004362","490:4900003392","490:4900003120","490:4900004492","490:4900004486","490:4900003530","490:4900001250","490:4900003395","490:4900002996","490:4900002989","490:4900003661","490:4900002092","490:4900001506","490:4900002992","490:4900003654","490:4900003388","490:4900003802","490:4900003127","490:4900001505","490:4900003788","490:4900003660","490:4900004353"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.42263586507325196,0.3017430576303861,0.26424754884848894,0.20240225243777585,0.1679465596793637,0.12766980925067023,0.10931099480146304,0.09519591276325808,0.0926894998662755,0.09225654555907338,0.08624272599574644,0.08441411053150023,0.08034842172888101,0.07682444535311428,0.06442490177625675,0.06297928004714054,0.061198154825896654,0.059853457645449915,0.057056978666107275,0.056137057464245015,0.05459427374270468,0.04854681489440861,0.045513520937234105,0.042956862909386676,0.03736002805458085],"twin_dists":[0.1704519706950651,0.20104800734790682,0.21188806119399708,0.23214483980757436,0.24532939646171345,0.2635081312582586,0.27326519850826797,0.28167008445620517,0.283263377653166,0.2835420356447247,0.28752402122323667,0.2887785264163237,0.2916474875320496,0.2942299209556607,0.30415346343416877,0.3054094320397092,0.3069897868767239,0.3082081159760491,0.31081571877855413,0.3116965575193933,0.31320095127157344,0.31946096976470056,0.3228495769128129,0.3258560387553323,0.33300355030363826],"n_dims_used":45,"mean_confidence":0.9159684075249566},"coverage":{"mean_confidence":0.9159684075249566,"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}}