{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":470,"cluster_id":4700007187},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001206","489:4890001495","489:4890004487","496:4960000936","470:4700006866","467:4670000369","469:4690008846","478:4780001717","496:4960000937","469:4690007648","468:4680002106","488:4880001541","498:4980003590","472:4720001681","489:4890001081","489:4890005481","498:4980003826","479:4790002046","472:4720000397","499:4990000158","470:4700007470","478:4780002959","478:4780001418","472:4720000407","499:4990000518"],"twin_admin_codes":[489,489,489,496,470,467,469,478,496,469,468,488,498,472,489,489,498,479,472,499,470,478,478,472,499],"twin_sims":[0.6318640176810453,0.5819687469869336,0.5455379532436023,0.5386714070409196,0.525057277226966,0.5145565168097458,0.4818638969503306,0.4605156545085871,0.4528382762380947,0.42747839325667447,0.4273368696932878,0.4266160329302448,0.4233048653156104,0.4164332361475223,0.41636966503579836,0.4147245001371736,0.414285008115943,0.3995482377015683,0.39719232056101117,0.39530511645901767,0.3936305182208612,0.392793473858703,0.39220075853393455,0.3920885143861083,0.3884720417812333],"twin_dists":[0.12444674348604147,0.13513670157035346,0.1429779378096236,0.14446451605389943,0.14742303828602746,0.14971660078286056,0.15693799780011272,0.16173503351469057,0.1634789374394335,0.1693208247726028,0.16935380711585554,0.16952186945263814,0.17029538156064733,0.1719088033466758,0.17192378218828155,0.17231176433157133,0.17241552279844083,0.17592320538275355,0.17648931522555783,0.1769439075924025,0.17734812592472596,0.1775504722328158,0.1776938759072112,0.17772104401949979,0.17859834761888424],"n_dims_used":43,"mean_confidence":0.9117513257403707},"coverage":{"mean_confidence":0.9117513257403707,"n_dims_used":43,"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}}