{
  "schema": "varexis-public-evidence-record/0.3",
  "generated_at_utc": "2026-10-16T12:55:40.483Z",
  "record_id": "VXI-EXT-PROCUREMENT-KUBERNETES-CRONJOB-01-v1",
  "record_kind": "external_reference",
  "title": "CronJob: Schedule intent and actual job execution",
  "system": "Kubernetes CronJob",
  "evidence_family": "vendor_evidence_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Does a Kubernetes CronJob guarantee exactly one run for each scheduled time?",
  "near_questions": [
    "Can a CronJob create more than one job for a schedule?",
    "Can a scheduled run be missed?",
    "Does Forbid coordinate different CronJobs?",
    "What happens to an overlapping run?",
    "Is the schedule suspended?",
    "Which starting deadline is configured?",
    "Does job creation prove task completion?",
    "How are repeated effects prevented?",
    "Can restoring a schedule trigger missed work?",
    "Which timezone defines the intended interval?",
    "What evidence shows the scheduled operation succeeded?",
    "Can I save the scheduling boundary?"
  ],
  "supported_claims": [
    {
      "claim": "CronJob scheduling can create duplicate jobs or miss a run in some circumstances; jobs should be designed for idempotent work. Its concurrency policy applies only to jobs from the same CronJob. It does not coordinate another CronJob or prove that a scheduled business operation completed.",
      "reliance": "DOCUMENTED_CAPABILITY_ONLY"
    }
  ],
  "not_demonstrated_claims": [
    "Verified buyer configuration or effective access rights",
    "Independent execution, completeness or security testing",
    "Vendor certification, legal compliance or guaranteed suitability"
  ],
  "public_summary": "CronJob scheduling can create duplicate jobs or miss a run in some circumstances; jobs should be designed for idempotent work. Its concurrency policy applies only to jobs from the same CronJob. It does not coordinate another CronJob or prove that a scheduled business operation completed.",
  "related_record_ids": [],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "Kubernetes CronJob delivery and concurrency",
    "source_url": "https://kubernetes.io/docs/concepts/workloads/controllers/cron-jobs/",
    "checked_on": "2026-10-16",
    "candidate_record_id": "VXI-EXT-PROCUREMENT-KUBERNETES-CRONJOB-01-v1",
    "candidate_record_sha256": "5ec0eb1324871cd035a0563a83de3fb432b43f9b22377a8dc1518873aca96cfa",
    "method": "Primary documentation reviewed for the published bounded statement.",
    "deployment_tested_by_varexis": false,
    "revalidation": "The delivered snapshot preserves the review date shown. Recheck current primary documentation and deployment context before relying on present applicability; payment does not trigger fresh research."
  },
  "answer_policy": {
    "classification": "DOCUMENTED_WITH_DEPLOYMENT_BOUNDARY",
    "bounded_answer": "CronJob scheduling can create duplicate jobs or miss a run in some circumstances; jobs should be designed for idempotent work. Its concurrency policy applies only to jobs from the same CronJob. It does not coordinate another CronJob or prove that a scheduled business operation completed.",
    "required_buyer_context": "CronJob identity, schedule, timezone, deadlines, concurrency and downstream result identity. Effective configuration and dated operational evidence have not been inspected.",
    "missing_evidence": "A broader claim needs evidence matching the intended use. Payment does not upgrade the evidence state."
  },
  "private_boundary": "Raw logs, thresholds, private paths, source code, protected mechanisms and reconstruction-level details are excluded from public and paid delivery.",
  "decision_profile": {
    "schema": "varexis-vendor-evidence-review/1",
    "review_status": "documentation_review_only",
    "checked_on": "2026-10-16",
    "claim_to_check": "A CronJob schedule guarantees one completed operation per interval.",
    "documented_statement": {
      "status": "documented",
      "statement": "CronJob scheduling can create duplicate jobs or miss a run in some circumstances; jobs should be designed for idempotent work. Its concurrency policy applies only to jobs from the same CronJob. It does not coordinate another CronJob or prove that a scheduled business operation completed.",
      "source_ids": [
        "k8s-cron"
      ]
    },
    "buyer_evidence_required": [
      "Schedule, timezone, deadline and suspension settings.",
      "Concurrency policy and other job producers.",
      "Job outcomes and business-operation reconciliation."
    ],
    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Check actual jobs and business results instead of inferring completion from the schedule."
    },
    "unknowns": "The buyer configuration, contract, effective entitlement and operational evidence have not been inspected. Missing evidence does not establish absence or failure of the feature.",
    "evidence_sources": [
      {
        "source_id": "k8s-cron",
        "url": "https://kubernetes.io/docs/concepts/workloads/controllers/cron-jobs/",
        "final_url": "https://kubernetes.io/docs/concepts/workloads/controllers/cron-jobs/",
        "title": "Kubernetes CronJob delivery and concurrency",
        "checked_on": "2026-10-16",
        "sha256": "e9a4329b475642d47667fe5d6fad689e44b17a6062c0f0b513afb5e51f7887cc",
        "bytes": 521413
      }
    ],
    "observed_deployment": false,
    "commercial_reliance_boundary": "Procurement evidence support only; no supplier clearance, legal conclusion, configuration audit or verification of the buyer's claim is supplied.",
    "paid_value": {
      "decision_context": "Preserve the distinction between schedule configuration and verified task completion.",
      "free": "Complete review, practical questions, sources and limitations; may be saved locally.",
      "single_request": "Existing server-saved version-bound route snapshot for later authenticated retrieval.",
      "evidence_receipt": "The same snapshot plus the existing unsigned delivery receipt.",
      "excluded": [
        "Fresh vendor research",
        "Continuous monitoring or change alerts",
        "Testing the buyer configuration",
        "Private evidence or vendor certification"
      ],
      "integrity": "Hashes identify content versions; they do not prove truth or provide a signature."
    },
    "revalidation": {
      "trigger": "A saved purchase does not recheck the source or buyer configuration.",
      "specific_watch": "CronJob identity, schedule, timezone, deadlines, concurrency and downstream result identity."
    }
  },
  "paid_access_note": "The full published answer and boundaries are free. Paid access saves the selected route and source versions, with an unsigned receipt when purchased. Preview coverage before paying. Fresh research, bespoke assessment and protected evidence are excluded.",
  "service_route": {
    "request_guide": "/varexis-index/request.html",
    "request_workflow": "/varexis-index/request-workflow.json",
    "service_id": "single_request",
    "service_routes_url": "/varexis-index/service-routes.json",
    "payment_required": true,
    "availability_endpoint": "/api/index/capabilities",
    "operational_status": "AUTOMATIC_SERVICE_CAPABILITIES_GATED",
    "checkout_url": "/index-access"
  },
  "authority_boundary": "VAREXIS-INDEX informs evidence reliance. It does not provide advice, certification, deployment authority, security assurance, production approval, or guarantee.",
  "human_page": "/varexis-index/catalog.html#kubernetes-cronjob-idempotency-concurrency",
  "machine_readable_record": "/varexis-index/records/kubernetes-cronjob-idempotency-concurrency.json"
}