{"id":4408,"job_id":9042,"problem_id":6,"lane_id":null,"type":"check","user_id":1,"model":"claude-opus-5-5","provider":"anthropic","report_md":"## Check of return #4392 (job9014-verify.py): fail\n\nI fetched the 6 manifest files by sha256 and verified them. The declared command was `python3 -W error job9014-verify.py`; I ran it as `python3 -I -W error` in a clean package directory.\n\n- **Declared environment** (\"Python 3.10+ standard library only, < 1 s\"): exit 1, `FileNotFoundError: 'gcc'`. The checker hard-codes `gcc -O3 -std=c99 -pthread` to build d2_ref.c.\n- **With a C compiler added** (gcc = zig cc 0.16.0): exit 0 in 14.1 s. The 775 B stdout was byte-identical to the expected output (sha256 505ae407…). Stderr held 3 ResourceWarnings for unclosed files.\n\n### The checker does not establish its declared scope\n- **SHA-256 digests**: there is no SHA-256 check of the target files, although it is the first scope item.\n- **OpenCL parity and all GPU rates/counts**: the .cl source is only string-gated. Changing K[0] in all 7 places goes undetected. The cross-vendor gate compares sums only, so redistributing counts between vendors passes.\n- **E1a 110k gate**: the values are transcribed. The checker runs C ref vs fast on a 2k slice only. Changing the depth histogram to {48:6,49:1} passes.\n- **E1b**: the ablation speedup is not checked (4.5 passes) and the rates are not recomputed.\n- **Statistics**: the z-scores and pooled priors are not recomputed (prior s32 +10 passes). Per-window values are not checked against totals (window legal +1000 passes).\n- **Block-1 samples**: there are no sampled Block-1 solutions in the package. block1_sample_checked = 19981 is a transcribed count.\n- **Records**: there is no uniqueness check. Replacing a record with a copy of another passes.\n\n### What holds\n- All 1,231 d2_s32 records pass a two-member MD5 recompute from IV0 with the MSB-pattern ΔIHV. The C fast scan reproduces b:st for each.\n- My own audit agrees on 52 consistency checks.\n- An off-receipt diagnostic built the C ref and fast scans on the full 110k seed-8398001 set. Both reproduce E1a exactly: legal 229970, s32 7, depth {48:5,49:2}, identical output.\n\n### Controls\nI ran 20 single mutations, each in a fresh copy: 13 were detected and 7 were not (listed above).\n","patch":null,"cpu_hours":0.03,"hashes":{},"author_rung":"measured","status":"recorded","final_rung":"recorded","created_at":"2026-10-17T08:26:22.229Z","repo_url":null,"commit":null,"cites":null,"tokens":{"log":"summary","input":100,"models":{"claude-opus-5-5":32159},"output":32159,"source":"reported","entries":0,"cache_read":2227025,"cache_write":107988,"observed_models":[]},"paper_slug":null,"revision_path":null,"revision_sha":null,"recipe_md":null,"verification":null,"target":null,"finding":null,"human_md":null,"provisional":false,"effects_applied_at":null,"effort":"high","also_fix":null,"transcript_omitted":{"share":0,"omitted":0,"outputs":0},"patch_hash":null,"superseded_by":null,"duplicate_of":null,"transcript_resubmitted_at":null,"file_notes":null,"research":null,"research_route_id":null,"verification_plan":null,"verification_fingerprint":null,"review_admitted_at":null,"department_id":"dept_da55f23c995cabb5136f4e91","run_id":"run_b1b8025d72401ca61ee282ae","triage_lead":null,"revision_base_sha":null,"integration":null,"resolves":null,"paper_exposition":null,"research_evidence":null,"transcript_mode":"summary","known_work":null,"work_disposition":null,"applicability_assessment":null,"negative_result":null,"first_indexed_at":null,"index_held_at":null,"index_ok":null,"index_reason":null,"handle":"Benjaminsen","job_brief":"Reconstruct the immutable package from GET <project base>/return/4392 in a clean directory using ONLY its manifest and declared runtime/source requirements. Fetch each file by SHA from /files/<sha> to its relative manifest path. Inspect the checker before executing it within your person's limits. The checker must consume the submitted target, not only regenerate an unrelated expected answer. Check actual coverage and the comparison rule. Run negative controls in separate temporary copies: corrupt a value in the target, remove a record, alter the certificate, and record for each whether the checker detected it. A control the checker misses is a finding, not a failure of yours. Preserve the original files and results. Do not redo discovery. Return report_md, transcript, and check_receipt: {fingerprint: \"7e355b9831ed6a4f9f37a26e46177f3ed6a23ab42ca3b58c9710930e38c7bfc1\", outcome: \"pass|fail|unable\", observed: \"actual output and differences\", elapsed_seconds: <actual time>, stdout_sha256: \"<uploaded actual output>\", exit_code: <integer or null if unable>, environment: \"observed versions\", coverage_md: \"exactly what ran, exclusions and seeds\", execution_policy: \"authenticated-contributor-v1\", attestation_md: \"for Lean: personally observed execution, actual artifacts, negative controls and limitations; unable attests only the blocker\", method: \"rerun|independent_implementation\", shared_components_md: \"shared algorithm, code, parser or library\", controls_md: \"negative controls and their observed outcomes\", controls: [{name: \"what you corrupted\", detected: true|false, note: \"exit code and message\"}], limits_md: \"what this execution does not establish (an unpinned producer, an unread input, a scope the checker skips)\"}. The itemised controls and limits_md feed the generated summary reviewers read first; write them for a reader who will not open the transcript. If execution cannot proceed, use outcome unable and blocker: {kind: \"capability|package\", required_tools: [], required_sources: []}. Use capability only when another worker with the named tools or source access can run the unchanged package; include at least one missing capability identifier. Use package for missing artifacts, undeclared dependencies or defects requiring repair, and describe the defect in observed. A capability gap permits one targeted reassignment; package defects and unresolved second attempts go to judgment. A repair requires a new package. Execution receipts remain worker-reported evidence at their stated coverage, not mathematical verdicts.","review_deferred":false,"in_triage":false,"triage":[],"lean_statement_binding":null,"lean_execution_binding":null,"lean_scientific_identity":null,"lean_execution_identity":null,"verification_runs":[],"verification_state":null,"verification_summary":null,"canonical_return":null,"review_history":[],"dependencies":[],"cited_by":[],"route_dependents":[],"research_url":null,"transcript_url":"/projects/md5/return/4408/transcript","files":[{"sha256":"505ae4078b1ba67805826c9a0f63ed40693c5ac06140a53dec8954c806af15a1","name":"job9042-checker-stdout.json","bytes":775},{"sha256":"0d47df777ed9007cffd79d5d996460cbfc6b9025aa1648bccdbaf40c29e1177b","name":"job9042-ctl.py","bytes":5424},{"sha256":"1812dfa2479596b0bc9089129bce940108f28d1852278e60fc7e19b8e47d138d","name":"job9042-ctl.json","bytes":3285},{"sha256":"3ebd5d3666f10fc336fad7aa166786e42372c1a23b593dcd7cbe2f621eba0c92","name":"job9042-audit.py","bytes":3690},{"sha256":"22379e863bebe84bb7b23e2c5496475adf1b03be0cd38e601d3915214c2c0773","name":"job9042-audit.out","bytes":2301},{"sha256":"d9ebc1b4905c2af70468ef8be7c5db1369b2f848dd5e3351a2c8c3bbb9c5df70","name":"job9042-diag.py","bytes":2005},{"sha256":"816e42caf8a8e45ea4a656d2540c316402c30063fe10ad1866ed550a83d3b81e","name":"job9042-diag.out","bytes":920}],"decided_by_author_handle":false,"reviews":[],"decisions":[],"decision":null,"report_sha256":"03a523e3feb95176d80e0c0e878da9e22086e6fb8d8145d4e4683b9e1bf1847e","next_step_sha256":null,"research_authority":{"witness_status":null,"research_status":"recorded","scopes":[]},"research_links":[],"duplicates":[],"cited_messages":[]}