{
  "run_id": "fcs-world-007-2026-07-03",
  "title": "World-007: the decoy-dimension trap (real cross-family split)",
  "track": "A",
  "world_level": "W3-variant (decoy dimension)",
  "protocol_version": "omnibus-v2-tranche-2",
  "registered_at": "2026-07-03",
  "status": "graded",
  "evidence_level": "split — L7 (Claude Sonnet 5: 72/72) vs L1 (GPT-5.5: 0/72 on the causal pair)",
  "verdict_impact": "none yet — n=1 per family, self-graded, no human baseline; first genuine same-world cross-family divergence",
  "tool_policy": {
    "solver_code_execution": "forbidden",
    "external_tools": "forbidden",
    "grader_code_execution": "allowed after reveal"
  },
  "controls": [
    "decoy-dimension trap",
    "code-ablated solver protocol",
    "cross-family design: identical sealed world, matching conditions",
    "human baseline required",
    "independent scoring required",
    "external reproduction required before verdict impact"
  ],
  "artifacts": [
    {
      "role": "manifest",
      "path": "/runs/fcs-world-007-2026-07-03/00_manifest.json"
    },
    {
      "role": "protocol",
      "path": "/runs/fcs-world-007-2026-07-03/01_protocol.md",
      "sha256": "2694c44031bb422f96e72bb2974f2ee6f24be26a56a2697727b5a44601cba41a"
    },
    {
      "role": "prompt",
      "path": "/runs/fcs-world-007-2026-07-03/02_prompt.md",
      "sha256": "a0c2618f787cef6f321eccd8961ca08c00036a72ba3505a42cdfba3101bbdada"
    },
    {
      "role": "human-baseline",
      "path": "/runs/fcs-world-007-2026-07-03/03_human_baseline.md",
      "sha256": "ad6585f81756d3324fea6b2a4b91fdd8d0cdd3608195305d09b7f1b86939725c"
    },
    {
      "role": "independent-scoring",
      "path": "/runs/fcs-world-007-2026-07-03/04_independent_scoring.md",
      "sha256": "4df58012832473305d5691494dd789207f6dd8123adad75071fe354e362421a8"
    },
    {
      "role": "public-observations",
      "path": "experiments/fcs-synth-world-007/observations.json",
      "sha256": "ba375ed5d59b477846286fb00907a332b4eb08ac40efa15ec3d8744027adb765"
    },
    {
      "role": "seal",
      "path": "experiments/fcs-synth-world-007/SEAL.md",
      "sha256": "3d3b49f1163717f918bb37f6d8e14e66c42fe3b1175ff502222af8ad615652f5"
    },
    {
      "role": "encrypted-law",
      "path": "experiments/fcs-synth-world-007/law.enc",
      "sha256": "db6edad60c6cb8c0700432ca1c87650b1d16862d9fa00822719edbe6d9cb266a"
    },
    {
      "role": "generator",
      "path": "scripts/fcs-synth/generate-world-007.mjs",
      "sha256": "81417384cc035047e978af7a0e8246c152a9b81506c26c627aff0f21e5ca20f6"
    },
    {
      "role": "grader",
      "path": "scripts/fcs-synth/grade-world-007.mjs",
      "sha256": "c888c24ad1cba2fb9ad6da283164b83b61c8eab497eaf3a383e4f370746bdaa1",
      "note": "v2 grader (2026-07-03): decoy identification credited only when corroborated by the stated law, never on declaration alone"
    },
    {
      "role": "attempt-gpt-5.5",
      "path": "/experiments/fcs-synth-world-007/attempts/gpt-5.5.md",
      "sha256": "625aaf1720b60e53550d983b3177a602eca1a54bd4166548b57cfa8c93111bde"
    },
    {
      "role": "attempt-claude-sonnet-5",
      "path": "/experiments/fcs-synth-world-007/attempts/claude-sonnet-5.md",
      "sha256": "9e669d371b505835094f3f01677c09aff3d9d7c9c4f1da384e233085be39de9e"
    },
    {
      "role": "reveal",
      "path": "/experiments/fcs-synth-world-007/REVEAL.md",
      "sha256": "765f7cf6c3892cdf05f3ade9559daec7436f01e48847124ca5dafdb4adb96dc3"
    },
    {
      "role": "grading",
      "path": "/experiments/fcs-synth-world-007/GRADING.json",
      "sha256": "ba4ce49682153602aa9f6bd273aac743288634793bbf5b8ed4894a80f32896cd",
      "note": "regraded 2026-07-03 (v2 grader) including the fable-5 post-reveal replication attempt"
    },
    {
      "role": "grading-superseded",
      "path": "/experiments/fcs-synth-world-007/GRADING-v1-2026-07-03.superseded.json",
      "sha256": "ff1ab8b109fcaba8f30d54f132162b77ec23a06f35acceabc2cffffc33b6ad9c",
      "note": "the original grading, preserved: decoyCorrectlyIdentified was read from the envelope declaration without mechanical corroboration"
    },
    {
      "role": "attempt-claude-fable-5-post-reveal",
      "path": "/experiments/fcs-synth-world-007/attempts/claude-fable-5.md",
      "sha256": "db71012ff1e92929f2b85e802790ba3384a94dbd19a67bf6c975f1f6dab58277",
      "note": "post-reveal same-family replication: cannot claim OG-3 (key was public when it ran); isolation real (fresh no-tool agent). 72/72, decoy corroborated — confirms the Claude result is not Sonnet-specific."
    }
  ],
  "gate_state": [
    {
      "gate": "protocol pinned before run",
      "status": "passed",
      "note": "Protocol and manifest published before scored attempts."
    },
    {
      "gate": "attempt timestamp before reveal",
      "status": "met",
      "note": "Both attempts committed and anchored before the key was revealed."
    },
    {
      "gate": "frame family not disclosed",
      "status": "passed",
      "note": "observations.json discloses deterministic integer-valued system only."
    },
    {
      "gate": "tool use forbidden or ablated",
      "status": "met",
      "note": "Both attempts run in isolated contexts (codex scratch dir; fresh no-tool agent) explicitly instructed against code/tool use."
    },
    {
      "gate": "cross-family design",
      "status": "met",
      "note": "Same sealed world attempted by GPT-5.5 and Claude (Sonnet, same-family fallback for capped fable-5) under matching conditions — the first on this record."
    },
    {
      "gate": "OG-9 human baseline",
      "status": "pending",
      "note": "Not yet collected for this world."
    },
    {
      "gate": "independent scorers graded",
      "status": "pending",
      "note": "Scoring rubric exists; no scorer record is present."
    },
    {
      "gate": "reveal",
      "status": "met",
      "note": "key verified against seal, then revealed"
    },
    {
      "gate": "OG-7 frame predicted held-out evidence",
      "status": "split",
      "note": "Claude Sonnet 5: 72/72 exact. GPT-5.5: 0/72 on the causal (x,y) pair, correct on the trivial decoy clock."
    },
    {
      "gate": "grading correction",
      "status": "met",
      "note": "same self-report weakness found in the world-003 grader was partially inherited here; regraded with mechanical corroboration 2026-07-03, results unchanged in substance"
    },
    {
      "gate": "same-family replication",
      "status": "met (post-reveal)",
      "note": "claude-fable-5 fresh agent, 72/72 exact with identical law and decoy call to Sonnet 5; recorded as replication, not sealed-world result, because the reveal was already public."
    }
  ]
}