{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990004228},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990003818","499:4990003602","500:5000010992","499:4990004035","499:4990003927","499:4990003934","472:4720003028","499:4990003977","499:4990003693","499:4990004263","499:4990002791","499:4990004199","499:4990002054","499:4990003173","500:5000011136","500:5000011323","499:4990004173","499:4990003893","499:4990001113","499:4990004181","499:4990002817","499:4990002060","499:4990003488","499:4990004191","499:4990003926"],"twin_admin_codes":[499,499,500,499,499,499,472,499,499,499,499,499,499,499,500,500,499,499,499,499,499,499,499,499,499],"twin_sims":[0.6005460158622133,0.552649001811646,0.4987982946156792,0.47656105707699964,0.4570143967185098,0.45034250904601586,0.4481087395199976,0.4375822007106167,0.43635259832977263,0.43325768331918757,0.42153958321262996,0.41285266388566016,0.39442783508425505,0.3848985743824124,0.38323420293795496,0.3763041457834051,0.3660173928872524,0.3588912990491135,0.3585116674358482,0.3582941466979479,0.35641303051441614,0.3555478461473634,0.3552879041597952,0.3550813970606264,0.35120620090348237],"twin_dists":[0.13115600160452984,0.14144186683088222,0.15318072093452173,0.15812286059813255,0.16252902303621153,0.16404817155303297,0.16455864816758425,0.16697745230285102,0.1672614642556267,0.16797773758551876,0.1707087963218391,0.17275401234556123,0.17715556877948668,0.17946900683993575,0.1798758349064583,0.1815789846201836,0.18413568215742088,0.18592799346727854,0.18602398215549745,0.18607900508243583,0.18655556007716992,0.18677517744573396,0.18684121469186643,0.18689369481326415,0.1878814591930036],"n_dims_used":44,"mean_confidence":0.9350101297551935},"coverage":{"mean_confidence":0.9350101297551935,"n_dims_used":44,"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}}