{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004200},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005033","490:4900006188","490:4900004892","490:4900004617","490:4900004340","490:4900003920","490:4900007304","490:4900004052","490:4900004339","490:4900002064","490:4900007426","490:4900006187","490:4900004205","490:4900006553","490:4900006201","490:4900003500","490:4900005822","490:4900005035","490:4900004478","490:4900005295","491:4910001400","490:4900005818","490:4900003366","490:4900005032","490:4900004063"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490],"twin_sims":[0.16793044385654537,0.07111697633988744,0.04572582042109583,0.045559954732421144,0.0453958737599967,0.03604519677184867,0.031758862906864645,0.025948190812892714,0.02496382929958389,0.023485528975817085,0.01752739094327589,0.012801101894094275,0.011397692592859814,0.010445227943056693,0.00945058674859219,0.00931912474341814,0.009310907917574968,0.009036655221843177,0.007711385414805488,0.007561578473952093,0.006975020669852012,0.0066383658736003355,0.006439014812920061,0.006376390320286763,0.0063418883297648165],"twin_dists":[0.2453359941906975,0.2986226091955837,0.3226063516563561,0.32279629796849635,0.32298477157104116,0.33481338854627857,0.3411317730207123,0.35098100891863093,0.3528346990996013,0.35574093552982033,0.36935493263043134,0.3834366478634594,0.38851120277954815,0.3922815863532584,0.39656099979005643,0.397156376103204,0.3971938376892745,0.3984614533348732,0.4051192024614143,0.40593518383490085,0.4092765274713268,0.41131024371601965,0.4125587219287204,0.4129581118370655,0.41317966200549894],"n_dims_used":45,"mean_confidence":0.8989875793457032},"coverage":{"mean_confidence":0.8989875793457032,"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}}