{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990004136},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990004234","499:4990003735","499:4990003293","499:4990001327","499:4990003980","499:4990004003","499:4990003428","499:4990001122","499:4990003498","499:4990004046","500:5000010539","500:5000011145","468:4680001635","499:4990003091","499:4990004172","499:4990002889","485:4850000606","499:4990002315","499:4990004177","499:4990004023","500:5000009956","500:5000010173","499:4990001726","499:4990004238","477:4770003723"],"twin_admin_codes":[499,499,499,499,499,499,499,499,499,499,500,500,468,499,499,499,485,499,499,499,500,500,499,499,477],"twin_sims":[0.8080243497897561,0.6809414257153654,0.6035322694356872,0.5466582382523175,0.5254684686927898,0.5085982511140038,0.4996425295265454,0.49915130042821,0.49683764153195953,0.4817754672835584,0.48030134789176593,0.4762294440398348,0.47343740371725923,0.47137354297193934,0.4701790321064115,0.4683671036037034,0.45634591334526614,0.4553717601027705,0.44521493993114464,0.4435924004344957,0.4431726963858136,0.4431694419517265,0.43749484382270953,0.41646968183040556,0.4154778202176597],"twin_dists":[0.08479980282924358,0.11385763628833376,0.13051652832979094,0.14273572076539937,0.1473334437069796,0.15102307366888798,0.15299439261093584,0.15310279943137137,0.15361379367478564,0.15695772228846921,0.15728669763972952,0.15819709672156695,0.15882280631666273,0.15928611240071452,0.1595545724788883,0.15996223421234945,0.16268086523822228,0.16290228319415087,0.16522139008997366,0.16559370505473975,0.16569009729671402,0.1656908448707997,0.16699761945132782,0.1719002163335594,0.17213402541709777],"n_dims_used":45,"mean_confidence":0.9338942633734809},"coverage":{"mean_confidence":0.9338942633734809,"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}}