{
  "schema": "varexis-public-evidence-record/0.3",
  "generated_at_utc": "2026-10-16T07:59:18.009Z",
  "record_id": "VXI-EXT-PROCUREMENT-GITHUB-RUNNERS-01-v1",
  "record_kind": "external_reference",
  "title": "GitHub runners: One-job registration and host cleanup",
  "system": "GitHub Actions",
  "evidence_family": "vendor_evidence_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Does an ephemeral self-hosted runner registration prove the underlying machine was wiped?",
  "near_questions": [
    "Does ephemeral registration erase the runner machine?",
    "How many jobs does an ephemeral runner receive?",
    "What does automatic deregistration establish?",
    "Who cleans up the host after the job?",
    "Where are runner diagnostic logs retained?",
    "Can workspace data survive deregistration?",
    "What evidence proves a new host was used?",
    "Does autoscaling imply ephemeral workers?",
    "Which update requirements affect job availability?",
    "Can a reused host bridge trust boundaries?",
    "When should an agent withhold a clean-runner claim?",
    "Can I save runner-lifecycle evidence?"
  ],
  "supported_claims": [
    {
      "claim": "The runner reference recommends ephemeral autoscaling and describes one-job assignment with automatic deregistration. Host cleanup and external preservation of runner logs remain operator responsibilities. A vanished runner registration is therefore not evidence that residual workspace data or host state was destroyed.",
      "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": "The runner reference recommends ephemeral autoscaling and describes one-job assignment with automatic deregistration. Host cleanup and external preservation of runner logs remain operator responsibilities. A vanished runner registration is therefore not evidence that residual workspace data or host state was destroyed.",
  "related_record_ids": [],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "GitHub self-hosted runners reference",
    "source_url": "https://docs.github.com/en/actions/reference/runners/self-hosted-runners",
    "checked_on": "2026-10-16",
    "candidate_record_id": "VXI-EXT-PROCUREMENT-GITHUB-RUNNERS-01-v1",
    "candidate_record_sha256": "cc15e711ddfc73aff7b2755caddf94991bf6a0dd9f927021819cb30c26cdd217",
    "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": "The runner reference recommends ephemeral autoscaling and describes one-job assignment with automatic deregistration. Host cleanup and external preservation of runner logs remain operator responsibilities. A vanished runner registration is therefore not evidence that residual workspace data or host state was destroyed.",
    "required_buyer_context": "Runner registration, host lifecycle, log forwarding and version. Effective buyer configuration and dated operational evidence are required.",
    "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": "Ephemeral runner registration proves complete host disposal.",
    "documented_statement": {
      "status": "documented",
      "statement": "The runner reference recommends ephemeral autoscaling and describes one-job assignment with automatic deregistration. Host cleanup and external preservation of runner logs remain operator responsibilities. A vanished runner registration is therefore not evidence that residual workspace data or host state was destroyed.",
      "source_ids": [
        "github-runners"
      ]
    },
    "buyer_evidence_required": [
      "One-job runner configuration.",
      "Host cleanup/disposal evidence.",
      "External runner-log retention."
    ],
    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Require host lifecycle evidence before asserting isolation between jobs."
    },
    "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": "github-runners",
        "url": "https://docs.github.com/en/actions/reference/runners/self-hosted-runners",
        "final_url": "https://docs.github.com/en/actions/reference/runners/self-hosted-runners",
        "title": "GitHub self-hosted runners reference",
        "checked_on": "2026-10-16",
        "sha256": "136706124638d58a25d10156838be7b8c4deff41727a9d45416716854f921f00",
        "bytes": 405462
      }
    ],
    "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 scheduler lifecycle and demonstrated environment disposal.",
      "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": "Runner registration, host lifecycle, log forwarding and version"
    }
  },
  "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#github-ephemeral-runner-disposal-evidence",
  "machine_readable_record": "/varexis-index/records/github-ephemeral-runner-disposal-evidence.json"
}