{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008880},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000782","490:4900008990","487:4870000074","487:4870000789","492:4920003569","487:4870001328","491:4910004384","497:4970002772","491:4910005419","491:4910004737","497:4970003345","491:4910005367","491:4910003665","491:4910004442","494:4940002275","491:4910002070","491:4910005268","497:4970003404","487:4870002492","494:4940002388","491:4910001404","491:4910004636","491:4910004182","497:4970003308","491:4910004183"],"twin_admin_codes":[487,490,487,487,492,487,491,497,491,491,497,491,491,491,494,491,491,497,487,494,491,491,491,497,491],"twin_sims":[0.10248722272492684,0.037053160677564284,0.02565669004501753,0.011709098207110368,0.008324930018170916,0.007598395164961714,0.006748943548990379,0.006601866021989856,0.006074604213574527,0.004035140907299939,0.003997739117910777,0.0032775458276263296,0.003214190446147669,0.0030805131916812993,0.002771466243382507,0.0023332592868753597,0.002259530296791403,0.002065905660167378,0.0020459332910355756,0.002026967710035038,0.001654372360767616,0.0015694497269681258,0.0015665698392497642,0.0015435060701397586,0.0015000696359430425],"twin_dists":[0.2772153906568672,0.33342105361935265,0.35152352434910317,0.38733916174912886,0.40191907599458165,0.40573331180294675,0.4106322115434706,0.4115362837949445,0.4149337814539064,0.431242521884599,0.4316066020830515,0.4393007310904644,0.4400495593109629,0.4416748175078853,0.4456939234941375,0.45216056527336623,0.4533567822342942,0.4566777973692264,0.4570364666502494,0.4573800475870757,0.464810378215092,0.4667187549551474,0.4667851274999311,0.4673207746780513,0.46834993774476363],"n_dims_used":45,"mean_confidence":0.8890206231011285},"coverage":{"mean_confidence":0.8890206231011285,"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}}