{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004239},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004104","490:4900003822","490:4900003966","490:4900004380","490:4900004377","490:4900003687","490:4900004516","490:4900003826","490:4900004099","490:4900004108","490:4900004106","490:4900001958","490:4900003426","490:4900004532","490:4900004381","490:4900004247","490:4900004383","490:4900004242","490:4900004258","490:4900002861","490:4900002422","490:4900003159","490:4900003693","494:4940008946","490:4900003560"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490],"twin_sims":[0.5554141042591395,0.5238717951250798,0.46281377533533163,0.4384426884595963,0.3792979244017674,0.36652115625680376,0.34211883848751184,0.2845640178458542,0.27500760390605,0.24080573582148113,0.23204160948506625,0.2309578410057602,0.22732216088990886,0.2267124519448833,0.18819802692348966,0.17518310465505077,0.1700847015416598,0.1601518901435885,0.1595981828374533,0.15258844027783378,0.15217630371097104,0.15087213626576154,0.14922522415957384,0.1367576606142742,0.12776151013650278],"twin_dists":[0.1408454306497761,0.1476814314143885,0.16121505025872743,0.1667788855435281,0.1808413795268371,0.18400964907556172,0.19022042930291674,0.20590714510238092,0.2086866432685323,0.21915831944908132,0.22199334628426817,0.2223487705192003,0.22354919836119855,0.22375175278259474,0.23737280068275093,0.242411594388017,0.24445806084413904,0.24857533098339016,0.24881023180957135,0.2518367054795759,0.2520177891276657,0.25259319589656265,0.2533250759738653,0.2590691544215363,0.2634621669266748],"n_dims_used":45,"mean_confidence":0.9283287896050347},"coverage":{"mean_confidence":0.9283287896050347,"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}}