{
  "report_id": "FRS-2026-002",
  "schema": "FARPY-RESEARCH-REPORT-V1",
  "title": "Blender GPU Runtime Reproducibility Under a Frozen Workload Contract",
  "status": "VERIFIED RESEARCH FINDING",
  "published_at": "2026-07-20",
  "revised_at": "2026-07-20",
  "revision": 1,
  "canonical_url": "https://farpy.com/labs/research/frs-2026-002-blender-runtime-reproducibility",
  "contract": {
    "contract_id": "FARPY-BLENDER-BENCHMARK-V5",
    "version": "5.0.0",
    "status": "FROZEN",
    "physical_execution": "PENDING",
    "runtime": "Blender 4.1.1",
    "platform": "Linux x86_64",
    "archive_sha256": "ab2ea3fe991601a5e6bd2cda786ecaa919c0b39e0550e59978b5d40270c260d3",
    "binary_sha256": "d5cf60563644ed770c5c13952624a0fa8ad076920bbc524275c0044029e36286"
  },
  "parity": {
    "workload_artifacts": {
      "passed": 8,
      "total": 8
    },
    "scoring": "PASS",
    "pass_count": "PASS",
    "cv_gate": "PASS",
    "frozen_contract_tests": {
      "passed": 10,
      "total": 10
    }
  },
  "historical_verified_result": {
    "configuration_id": "NMBENCH-V4-202607",
    "result_id": "NMBENCH-V4-20260714T210332Z-898218",
    "benchmark_version": "4.0.0",
    "gpu_model": "NVIDIA GeForce RTX 3090",
    "vram_gb": 24,
    "runtime_seconds": 4.08,
    "farpy_score": 24203,
    "verification_status": "PASS",
    "scope": "Historical V4 result only; not evidence of V5 execution"
  },
  "evidence_ids": [
    "blender-benchmark-v5-contract-20260719T031931Z",
    "NMBENCH-V4-20260714T210332Z-898218",
    "NMBENCH-V4-202607"
  ],
  "limitations": [
    "V5 has not been physically executed and no V5 performance result is published.",
    "No repeated runtime samples are asserted by this report.",
    "Evidence covers one verified GPU configuration and cannot establish hardware-wide reproducibility.",
    "Exact historical V4 runtime provenance remains insufficient."
  ]
}