{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011500},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011826","490:4900010924","490:4900011830","490:4900011895","490:4900011894","490:4900011234","490:4900010496","490:4900011698","490:4900011501","490:4900011773","490:4900011829","490:4900010998","490:4900011004","490:4900011433","490:4900011009","490:4900011448","490:4900011899","490:4900011440","490:4900011156","490:4900008212","490:4900011760","490:4900011084","490:4900012038","490:4900011694","490:4900007894"],"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":[0.4472449618244012,0.36414361739445117,0.329270484074315,0.2499911084465519,0.21367491087782928,0.20318185684236317,0.19995846598026298,0.19319749861831473,0.1673243607494718,0.14273505395300998,0.13947638161898118,0.13103553450182615,0.1272484274912531,0.12252750670453688,0.11531247718888171,0.11148036248551538,0.11109094450507728,0.09877441018198628,0.0975938650411495,0.09591903727585488,0.09567289372094076,0.09434349834040406,0.09409530864408537,0.09148882789036362,0.09022189488271745],"twin_dists":[0.164756301310398,0.18460523688690586,0.19358494634677456,0.21625798065971688,0.22817284395873813,0.23186534479763035,0.23302578405124136,0.23550240047764182,0.2455844528883907,0.2562687343634156,0.2577843361701145,0.2618371923235328,0.2637196674125292,0.2661267198441649,0.26994590376296607,0.272049500928434,0.2722663731612622,0.2794515541550806,0.2801763652211722,0.28121655318276123,0.28137062717820666,0.28220820119719425,0.2823655997067199,0.28403870536428577,0.28486559699852965],"n_dims_used":45,"mean_confidence":0.8911385430230034},"coverage":{"mean_confidence":0.8911385430230034,"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}}