{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010531},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011989","490:4900011035","490:4900011034","490:4900011864","490:4900011984","490:4900011922","490:4900011119","490:4900011475","490:4900011537","490:4900010709","490:4900010444","490:4900011731","490:4900011112","490:4900012137","490:4900011042","490:4900012188","490:4900010702","490:4900011666","490:4900012145","490:4900011789","490:4900011194","490:4900011866","490:4900011806","490:4900011197","490:4900011723"],"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":[0.41152160150114975,0.3299085817618833,0.308200510421258,0.3043645234858531,0.29281027033816615,0.25410995056380864,0.24103309740879225,0.23068482485027167,0.21615049766431083,0.20807355717945614,0.19810881036846825,0.19409571753860752,0.1901170317092601,0.1896168693804363,0.18632410986785994,0.1854496293468406,0.18116847308420503,0.16869136874733448,0.1678869814999833,0.1617251840678279,0.1605987322889656,0.1597594379136488,0.15966945354478707,0.15799602264955767,0.15433432378356168],"twin_dists":[0.17306902509024613,0.19341618252506937,0.19926358634691368,0.20032096269141325,0.20355359124192438,0.21497960563618795,0.2190856742300941,0.22243847989002896,0.22731970990944714,0.23012818211308858,0.23369750012153132,0.23516994607524785,0.23665080621931825,0.23683849113757485,0.2380828265768441,0.23841588328554036,0.24006257465821218,0.24502497150437325,0.24535378971191282,0.24791109318572319,0.24838619602140027,0.2487417610160248,0.248779963229469,0.24949327912098535,0.25107355878128207],"n_dims_used":45,"mean_confidence":0.9145289103190104},"coverage":{"mean_confidence":0.9145289103190104,"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}}