{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001313},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001241","491:4910001438","491:4910001549","491:4910001608","491:4910002251","491:4910001492","491:4910001245","491:4910001605","491:4910001950","491:4910003017","491:4910001716","491:4910001844","491:4910001495","491:4910001373","491:4910001725","491:4910001957","491:4910002357","491:4910002152","491:4910001899","491:4910001734","491:4910001999","491:4910002153","491:4910001489","491:4910001178","491:4910001045"],"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":[0.5484342718244762,0.5122057840307476,0.493274775840047,0.4710904584689538,0.4210140344016144,0.33632000873976825,0.3349276081228129,0.32651205326918137,0.3231957808693823,0.3202008869697537,0.31992290597328277,0.31288292602683143,0.30451705305427273,0.29307941860559367,0.28942799123360446,0.28529742495133326,0.28246147758149637,0.2742848373034454,0.2686455674337584,0.2624245668877762,0.2533055932159534,0.23821975212918836,0.22720046942396235,0.22407687281131036,0.22364137192054617],"twin_dists":[0.14235189858404185,0.15023158693230984,0.15440202100081502,0.1593497134699548,0.17083201616252405,0.19173030280612827,0.1920949360221465,0.19431657550914438,0.1952007069127628,0.19600351164674107,0.19607823945061206,0.19798309796553454,0.20027877184447296,0.2034774436938926,0.2045140729267204,0.20569618278579235,0.20651375674464584,0.20889923999811563,0.21056995336136602,0.21243842684427724,0.21522821358725192,0.2199877310035655,0.22358959729958758,0.2246315157385257,0.22477754848332945],"n_dims_used":45,"mean_confidence":0.8994850158691406},"coverage":{"mean_confidence":0.8994850158691406,"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}}