{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000069},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000095","490:4900000185","490:4900000115","490:4900000182","490:4900000291","490:4900000031","490:4900000094","496:4960007688","490:4900000205","490:4900000068","490:4900000078","490:4900000616","490:4900000071","490:4900000156","490:4900000968","490:4900000349","490:4900000098","490:4900000120","490:4900000620","490:4900000181","490:4900001611","490:4900001885","490:4900000418","490:4900000234","496:4960008388"],"twin_admin_codes":[490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496],"twin_sims":[0.6167259998349565,0.5859484117721799,0.40331627807924664,0.3924504783802616,0.3845028966178436,0.35861988329113337,0.3509671833121441,0.3274516969042992,0.32462593422938846,0.31174418871049386,0.3008455575580469,0.2930853737183643,0.2897685781624037,0.2864170691378817,0.28542016354704147,0.2822185037630082,0.26277585625894745,0.2600236465990533,0.2594365327069324,0.25797878591022494,0.2553560730143269,0.24661781863860663,0.23843877400012842,0.23067216449389544,0.22468879811573134],"twin_dists":[0.12769118491684608,0.13428337777191746,0.1750209152972379,0.17763344550406895,0.17956564752188203,0.18599661480414942,0.1879425686830482,0.19406696856540048,0.19481880734990378,0.19829349135840302,0.20129776691350804,0.2034757593395005,0.20441705330866428,0.20537474842601744,0.20566090928257025,0.20658403353619242,0.21233218558050912,0.21316694123832292,0.21334573239067178,0.21379075796694638,0.2145954431122882,0.21731502027698582,0.21991725699961176,0.22244264160692112,0.22442664301231416],"n_dims_used":45,"mean_confidence":0.9164413452148438},"coverage":{"mean_confidence":0.9164413452148438,"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}}