{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000808},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001179","490:4900000569","490:4900000589","496:4960008764","490:4900000411","490:4900000577","490:4900000109","490:4900000174","490:4900000823","490:4900000810","490:4900000948","490:4900003080","490:4900001180","490:4900000494","490:4900000659","490:4900000689","490:4900000408","496:4960008762","490:4900001045","490:4900000930","490:4900000909","490:4900000467","490:4900000912","490:4900000908","494:4940008872"],"twin_admin_codes":[490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,494],"twin_sims":[0.7465423070439189,0.6593315686960536,0.6567331542967256,0.5978897868972056,0.5866457703504966,0.5329544160119386,0.524847310387325,0.5228022195249368,0.5227761828462595,0.5184072964816788,0.4986693650045461,0.49513642039110833,0.4785985032319704,0.45973847062546624,0.45662802908340366,0.4528255997939557,0.4465629300915302,0.4416731531933248,0.4377933932669893,0.4347089005383878,0.4341011101914664,0.43322261498758313,0.4281513709752366,0.42805729361324013,0.42622194556900816],"twin_dists":[0.0993014231494847,0.11853901823964805,0.11909957866574156,0.13172485475432605,0.13413388999067596,0.14570498069011006,0.14746879405129937,0.14791467471079914,0.14792035390954866,0.14887424265094748,0.1532091843546219,0.15398995742084934,0.15766711738227468,0.16191109055206257,0.16261677443456224,0.16348182574040723,0.16491246870205845,0.1660347815288268,0.16692870310881758,0.16764162056654228,0.1677823362999158,0.16798586536413762,0.16916404742548835,0.16918595765921832,0.16961380007895913],"n_dims_used":45,"mean_confidence":0.9102062649197049},"coverage":{"mean_confidence":0.9102062649197049,"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}}