{"case_version":"1.0.0","catalog_version":"0.1.0","certification_claims":["A-C"],"content_hash":"3f2e067b89768cafea6beec60438c07ee90dc483566cb7507c5725a27bc48add","criteria_results":[{"detail":"final_stored_volume: simulated 9.44581e+06 vs expected 9.45e+06 m3","gating":true,"id":"mass_conservation","margin":0.44378825837066244,"metric":"expected_state_error","observed":-0.044378825837066246,"passed":true,"threshold":{"op":"abs<=","units":"%","value":0.1},"variable":"volume"}],"judgement":{"accurate":"pass","converges":{"verdict":"n/a"},"verified":true,"worst_margin":0.44378825837066244},"passed":true,"run":{"levels":[{"dx":null,"wall_seconds":108.238}],"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":108.238},"schema_version":"1.0.0","scoring_method":"2.1","signature":{"alg":"Ed25519","key_id":"benchmark1d2d-dev","value":"o1O+N7efDn++3RSks6X5zuuFYrnjlcRK8uA8xAToqjen37JpYZLwTfy/3Bg2/4ayzzxEQrG9wNXBb+lrGxCwCg=="},"solver":{"adapter":"hecras 2D (headless terrain + seeded mesh + boundary lines, SWE-EM; depth = cell volume / area)","name":"HEC-RAS 6.6 2D SWE-EM","version":"6.6"},"test_id":"A2C-EA5_valley_flooding","timestamp":"2024-01-01T00:00:00Z","track":"A","verdict":"pass"}
