{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005178},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005059","490:4900005311","490:4900007550","490:4900005060","490:4900004641","490:4900004920","490:4900005037","490:4900005838","490:4900005425","490:4900004636","490:4900005057","490:4900005443","490:4900005173","490:4900004488","490:4900006790","490:4900004780","490:4900004638","490:4900006084","490:4900005305","490:4900007046","490:4900005966","490:4900005825","490:4900005304","490:4900004082","490:4900006208"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.1487636770775884,0.12501669492844367,0.11731600686578116,0.11053267759366067,0.06924943167881928,0.05900456374597756,0.04256483327907214,0.03745160518908958,0.0368452313736104,0.03270351332193995,0.022976344939102094,0.021717544715469557,0.021270533767959107,0.019348553112973208,0.017892449761431808,0.017205576954705273,0.01701565341478292,0.01688442780928052,0.016023380655162466,0.01587165543116809,0.015426714972087243,0.0153004222116033,0.01426482894660925,0.013286593016587233,0.012555318604223402],"twin_dists":[0.25353125243373265,0.26484894986519686,0.26886742155815024,0.27257830645226355,0.3001219471796451,0.3089888735129033,0.3263302606937879,0.3328795199902073,0.33370561845771923,0.3396794042350746,0.3567787178820425,0.3594326512078168,0.36040732099657913,0.36481267890710123,0.36841234896218666,0.37020023591834184,0.3707056324816716,0.3710577294786901,0.3734295265591494,0.3738590207780799,0.37513968727064206,0.37550911516943586,0.3786440856697367,0.3817956420241575,0.3842885307806681],"n_dims_used":45,"mean_confidence":0.9151045057508681},"coverage":{"mean_confidence":0.9151045057508681,"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}}