{"case_version":"1.0.0","catalog_version":"0.1.0","certification_claims":["A-C"],"content_hash":"df489500b763249aed56132524048acd35126b1578db94741ef3e472e8fc3e0c","criteria_results":[{"detail":"final_stored_volume: simulated 285003 vs expected 285000 m3","gating":true,"id":"mass_conservation","margin":0.00878823953762389,"metric":"expected_state_error","observed":0.0008788239537623891,"passed":true,"threshold":{"op":"abs<=","units":"%","value":0.1},"variable":"volume"}],"judgement":{"accurate":"pass","converges":{"verdict":"n/a"},"verified":true,"worst_margin":0.00878823953762389},"passed":true,"run":{"levels":[{"dx":null,"wall_seconds":629.179}],"machine":{"arch":"AMD64","cores_logical":4,"cores_physical":2,"cpu":"AMD EPYC 7763 64-Core Processor","memory_gb":16.0,"os":"Windows 2025Server","python":"3.12.10","runner":"GitHub Actions (github-hosted, win25-vs2026)"},"wall_seconds":629.179},"schema_version":"1.0.0","scoring_method":"2.1","signature":{"alg":"Ed25519","key_id":"benchmark1d2d-dev","value":"HOZphnyIrfhjEqvkRc5PedTYykpUQsuu88Y5ntya3TQusgU2sxYtLBFRuPFgYO7pZ9tQ7ABF4BrHN1KvxNawAQ=="},"solver":{"adapter":"hecras 2D (headless terrain + seeded mesh + boundary lines, SWE-ELM; depth = cell volume / area)","name":"HEC-RAS 6.6 2D SWE-ELM","version":"6.6"},"test_id":"A2C-EA4_flood_propagation_speed","timestamp":"2024-01-01T00:00:00Z","track":"A","verdict":"pass"}
