{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001605},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001950","491:4910001899","491:4910001725","491:4910002097","491:4910001716","491:4910001786","491:4910001313","491:4910001999","491:4910001608","491:4910001377","491:4910001489","491:4910001785","491:4910001991","491:4910001241","491:4910001665","491:4910002282","491:4910001896","491:4910002047","491:4910001657","491:4910001549","491:4910001844","491:4910001492","491:4910002191","491:4910002230","491:4910001373"],"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":[0.5266797226760302,0.48341500709484203,0.41057112943068486,0.40991541856737823,0.37752409085872024,0.3632639995811905,0.32651205326918137,0.32269967663570603,0.3090025816572266,0.30858128204404645,0.2940685221923623,0.2931748768063466,0.265288860320097,0.26082358608587897,0.24823796756160055,0.2404566513883794,0.22796122388183507,0.22761067594269946,0.2267276240192639,0.22234715975654393,0.2162764207251902,0.2031476206624359,0.19839814685450102,0.19738570088215288,0.18983413292024381],"twin_dists":[0.14706961389707526,0.1565922029666613,0.17329423868638244,0.17344974203979904,0.18127807202485618,0.18482608330237713,0.19431657550914438,0.19533340342241576,0.19904345859979755,0.1991590429104509,0.2031979613214541,0.20345044657387967,0.21157474864116307,0.21292374729456695,0.2168061881599535,0.21926994349977943,0.223337278030263,0.2234534748075455,0.2237467080145818,0.22521264703473423,0.22727649093621874,0.23187760329777315,0.23359214054943855,0.23396128061283217,0.23675692096310103],"n_dims_used":45,"mean_confidence":0.8977593315972222},"coverage":{"mean_confidence":0.8977593315972222,"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}}