{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001321},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001194","491:4910001188","491:4910001131","491:4910001621","491:4910001001","491:4910001561","491:4910001624","491:4910001182","491:4910001192","491:4910001127","491:4910001187","491:4910001123","491:4910001860","491:4910001130","491:4910001124","491:4910001128","491:4910000987","491:4910001385","491:4910001052","491:4910001327","491:4910001183","491:4910001264","491:4910001501","491:4910001257","491:4910001190"],"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":[0.5501922886247312,0.5135127647222684,0.4753700672263856,0.45658043046383945,0.4483829901734006,0.42459990404088743,0.42117955550056774,0.4151814218026376,0.27427350946967,0.2621250347089792,0.2611556013460524,0.2501792604148471,0.2376967522698731,0.20638770781893773,0.19743623295789578,0.18914504881576297,0.17302838393597644,0.16905297886038226,0.1637786047850517,0.15071757150701828,0.1413339820488557,0.13341495632881115,0.12957888323710057,0.1285850450278443,0.12120314573666462],"twin_dists":[0.14197217519534053,0.1499451877365106,0.1583895585550211,0.16262758684043443,0.1644959230979423,0.16999255277996858,0.17079320119763405,0.1722039412872071,0.20890257473368282,0.21252908542676702,0.21282294711266997,0.21619929184947637,0.22015618602462067,0.23072368455291334,0.23394282550034434,0.2370158584541269,0.24327121809486627,0.24487751950014,0.2470511628822855,0.25266163293580923,0.25691717915314244,0.26067534314977464,0.26255632999564876,0.26305049156193067,0.26681462531852873],"n_dims_used":45,"mean_confidence":0.8961637708875868},"coverage":{"mean_confidence":0.8961637708875868,"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}}