{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890000598},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890000599","489:4890000421","485:4850002873","489:4890001882","489:4890000580","472:4720002425","489:4890000272","489:4890000500","485:4850008863","489:4890000386","489:4890000545","485:4850008723","485:4850008818","489:4890001550","472:4720002765","478:4780001374","470:4700007472","489:4890001522","489:4890001472","472:4720002621","489:4890000546","489:4890001307","489:4890001523","489:4890002545","489:4890000654"],"twin_admin_codes":[489,489,485,489,489,472,489,489,485,489,489,485,485,489,472,478,470,489,489,472,489,489,489,489,489],"twin_sims":[0.6764920602040345,0.48762211519799903,0.42199105838671636,0.39274684772725127,0.39031692635864507,0.3833590252392053,0.35774712952005827,0.353155057393455,0.3357924489231888,0.3281155814645667,0.3278348926126866,0.3263056599207741,0.32208985574754523,0.3112811650988046,0.3097197181618024,0.30907772917841175,0.29651471543903085,0.2937772480949529,0.2927175814473469,0.282910904354779,0.27393274240741033,0.2727979689649143,0.2647820342793632,0.26456446437410547,0.2622541374119368],"twin_dists":[0.11482470234410413,0.1556560253428117,0.17060299540202398,0.1775617494765321,0.1781503295456694,0.17984529491261447,0.18621745151579833,0.18738400328295385,0.19186836044802325,0.1938908526434397,0.1939652900356482,0.19437145502838118,0.19549667258065181,0.19841988590492224,0.1988469188029425,0.19902285125616132,0.20250913901075043,0.20328020621874024,0.20357982442955916,0.2063838625483102,0.2090029307175907,0.20933767562517624,0.21172714779798504,0.21179262540431276,0.2124900023128081],"n_dims_used":45,"mean_confidence":0.9146480984157986},"coverage":{"mean_confidence":0.9146480984157986,"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}}