{
  "schema": "varexis-public-evidence-record/0.3",
  "generated_at_utc": "2026-10-13T23:52:59.204Z",
  "record_id": "VXI-EXT-PROCUREMENT-STRIPE-WEBHOOK-01-v1",
  "record_kind": "external_reference",
  "title": "Stripe delivery evidence: Verified events and duplicate handling",
  "system": "Stripe",
  "evidence_family": "vendor_evidence_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Does receiving a Stripe webhook prove that payment was verified and fulfilled exactly once?",
  "near_questions": [
    "Does a Stripe webhook response prove an order was fulfilled?",
    "Can Stripe deliver an event more than once?",
    "Does Stripe guarantee webhook event order?",
    "Is an unverified Stripe event valid proof of payment?",
    "Can a caller-supplied receipt establish Stripe entitlement?",
    "What object state should support an automated payment decision?",
    "Can manual Stripe resends overlap automatic retries?",
    "Does a payment event timestamp establish processing order?",
    "What evidence supports exactly-once application fulfilment?",
    "Should an agent distinguish webhook delivery from payment settlement?",
    "What should a Stripe payment-delivery review preserve?",
    "When should Stripe webhook verification be rechecked?"
  ],
  "supported_claims": [
    {
      "claim": "Stripe documents signature verification, possible duplicate deliveries and no guaranteed event ordering. Receiving a webhook or returning a successful response does not by itself prove a matching payment entitlement or completed fulfilment. Review authenticity, object state and the application processing record separately.",
      "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": "Stripe documents signature verification, possible duplicate deliveries and no guaranteed event ordering. Receiving a webhook or returning a successful response does not by itself prove a matching payment entitlement or completed fulfilment. Review authenticity, object state and the application processing record separately.",
  "related_record_ids": [
    "VXI-EXT-PROCUREMENT-GITHUB-AUDIT-01-v1",
    "VXI-EXT-PROCUREMENT-SLACK-EXPORT-01-v1",
    "VXI-EXT-PROCUREMENT-VERCEL-AUDIT-01-v1",
    "VXI-EXT-PROCUREMENT-CLOUDFLARE-LOGPUSH-01-v1"
  ],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "Stripe event delivery and verification boundaries",
    "source_url": "https://docs.stripe.com/webhooks",
    "checked_on": "2026-10-14",
    "candidate_record_id": "VXI-EXT-PROCUREMENT-STRIPE-WEBHOOK-01-v1",
    "candidate_record_sha256": "565343c20c65837defffe4ccad59f5e3cb3e67c295fd76e2dd12ca91a57e73d0",
    "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": "Stripe documents signature verification, possible duplicate deliveries and no guaranteed event ordering. Receiving a webhook or returning a successful response does not by itself prove a matching payment entitlement or completed fulfilment. Review authenticity, object state and the application processing record separately.",
    "required_buyer_context": "Event type, endpoint mode and signing configuration, expected payment object, entitlement mapping and processing state.",
    "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": "2026-10-14",
    "claim_to_check": "One successful webhook delivery proves a valid payment and exactly-once fulfilment.",
    "documented_statement": {
      "status": "documented",
      "statement": "Stripe documents signature verification, possible duplicate deliveries and no guaranteed event ordering. Receiving a webhook or returning a successful response does not by itself prove a matching payment entitlement or completed fulfilment. Review authenticity, object state and the application processing record separately.",
      "source_ids": [
        "stripe-webhook"
      ]
    },
    "buyer_evidence_required": [
      "Evidence that the handler verifies authentic events in the intended mode",
      "The matching payment or subscription state from the provider",
      "An idempotent processing and fulfilment record covering retries and duplicates"
    ],
    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Refuse payment reliance on caller-supplied status or an unverified event; seek provider-bound payment evidence before delivery."
    },
    "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": "stripe-webhook",
        "url": "https://docs.stripe.com/webhooks",
        "final_url": "https://docs.stripe.com/webhooks",
        "title": "Stripe event delivery and verification boundaries",
        "checked_on": "2026-10-14",
        "sha256": "60c0e1e1ea9dc882b51edaee8ce1bf54234dc9c5481e9f97011bf4c066ff9cc2",
        "bytes": 1137039
      }
    ],
    "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": "Retain the delivery-versus-entitlement distinction behind a payment-integration review.",
      "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": "Recheck endpoint secrets, event versions, retry behavior and fulfilment idempotency."
    }
  },
  "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#stripe-webhook-delivery-evidence-check",
  "machine_readable_record": "/varexis-index/records/stripe-webhook-delivery-evidence-check.json"
}