{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011847},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011979","490:4900009645","490:4900010603","490:4900011781","490:4900011971","490:4900011968","490:4900011717","490:4900008999","490:4900010995","491:4910005304","490:4900010417","490:4900010166","490:4900008222","491:4910005516","490:4900010592","490:4900009135","491:4910005352","490:4900010217","491:4910005258","490:4900009435","490:4900010689","490:4900011916","490:4900011967","490:4900011568","490:4900012052"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,491,490,490,490,491,490,490,491,490,491,490,490,490,490,490,490],"twin_sims":[0.11534546250172306,0.02855888280463246,0.027547557997909384,0.024743819831992225,0.024374781235653762,0.0157922825204414,0.0073653553763462,0.005941469082552572,0.003318671464225106,0.002600223077334362,0.0024565756320949236,0.0021410917038964293,0.0020928585140186553,0.0020619717911710216,0.001865980970714928,0.0017824361099598993,0.0017587482901712786,0.0016370756751572647,0.0014266350223224131,0.0009692380270694319,0.0007356854042938182,0.0007322818351096301,0.000628472743945729,0.0006230251541180231,0.0006107574989555433],"twin_dists":[0.2699280319946995,0.3463432506284734,0.34809470656133645,0.35325762781518466,0.3539743976790765,0.37408514484899685,0.40702622789444093,0.4158336438379804,0.4388216865152795,0.4481011628018586,0.45023522851701886,0.4553555637487177,0.45619879004089303,0.4567481900572346,0.46042175858330087,0.462096793099391,0.4625848814682346,0.4651916228028008,0.47015413742123263,0.48382387802154775,0.49334215026893796,0.4935006683097728,0.4986983432884151,0.4989927099513373,0.4996644920982968],"n_dims_used":45,"mean_confidence":0.8921145121256511},"coverage":{"mean_confidence":0.8921145121256511,"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}}