{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001554},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001307","491:4910001045","491:4910001492","491:4910001999","491:4910001734","491:4910001899","491:4910001785","491:4910001242","491:4910002419","491:4910001298","491:4910003023","491:4910002103","491:4910002628","491:4910001608","491:4910002007","491:4910001675","491:4910001665","491:4910001305","491:4910001885","491:4910001903","491:4910001489","491:4910001241","491:4910001896","491:4910002050","491:4910001497"],"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":[0.4648790947786859,0.4313457091123006,0.40051060684764367,0.345331280783885,0.34171566374898726,0.337310747931942,0.336861119277748,0.3184878670407204,0.306839670394419,0.3055115578294967,0.2962150649900178,0.29411827601740714,0.29272252713108804,0.2735150052858292,0.27329732155307457,0.26870318539763416,0.24889649580463763,0.24337294323408315,0.2427201839083488,0.24078980780414738,0.23783774890303458,0.2326038412649732,0.23008532987442956,0.22385494997847122,0.2209899481880516],"twin_dists":[0.1607485147670103,0.16842126328374663,0.17569239277881482,0.1893898769867754,0.19032495993430004,0.19147135152928102,0.1915888207541469,0.1964645929407949,0.19963782307459724,0.2000039837857688,0.20259333686192188,0.20318391752414341,0.20357842455760006,0.2091260590181596,0.20919026722942605,0.21055277425113222,0.2165999764194326,0.21834062690297534,0.2185480087800691,0.2191634103417684,0.22011074811558984,0.22180939127457205,0.22263571159268178,0.22470590756105105,0.22567074490281192],"n_dims_used":45,"mean_confidence":0.8987974378797743},"coverage":{"mean_confidence":0.8987974378797743,"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}}