{ "schema": "varexis-public-evidence-record/0.3", "generated_at_utc": "2026-10-24T23:11:13.073Z", "record_id": "VXI-EXT-PROCUREMENT-CLOUDEVENTS-NULL-VERSUS-ABSENT-PAYLOAD-01-v1", "record_kind": "external_reference", "title": "CloudEvents absent and explicit-null data", "system": "CloudEvents v1.0.2", "evidence_family": "vendor_evidence_review", "index_status": "PUBLIC_SAFE_SOURCE_REVIEW", "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY", "canonical_question": "Does a CloudEvents envelope with missing data mean the same as an explicit null payload?", "near_questions": [ "Does a valid CloudEvent have to include its payload?", "Is CloudEvents data null different from no data member?", "Can an event archive collapse absent and null payloads?", "What does a context-only CloudEvent establish about action evidence?" ], "supported_claims": [ { "claim": "CloudEvents 1.0.2 permits an event without data. Its JSON format separately permits an explicit null JSON payload and distinguishes it from absence of the data member. Normalising both into one state can discard a documented distinction. Event-envelope validity therefore does not establish that an action payload was captured or retained.", "reliance": "DOCUMENTED_CAPABILITY_ONLY" } ], "not_demonstrated_claims": [ "Whether data was omitted upstream, intentionally null or lost is unobserved.", "No verified business outcome, complete event capture, deployment certification or authority to act.", "Buyer deployment testing, live runtime enforcement, certification or permission to act", "Expanded capabilities or licences for existing INDEX executables" ], "public_summary": "CloudEvents 1.0.2 permits an event without data. Its JSON format separately permits an explicit null JSON payload and distinguishes it from absence of the data member. Normalising both into one state can discard a documented distinction. Event-envelope validity therefore does not establish that an action payload was captured or retained.", "related_record_ids": [], "source_review": { "source_type": "official_external_documentation", "source_title": "CloudEvents v1.0.2 — spec", "source_url": "https://raw.githubusercontent.com/cloudevents/spec/fc1f6f31f5f011a72183f1bcea20c987cb683ade/cloudevents/spec.md", "checked_on": "2026-10-24", "candidate_record_id": "VXI-EXT-PROCUREMENT-CLOUDEVENTS-NULL-VERSUS-ABSENT-PAYLOAD-01-v1", "candidate_record_sha256": "25103ee7f6a5eec7bb06e90b7302827920f0964e241329fd53e2f55e626b7665", "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": "CloudEvents 1.0.2 permits an event without data. Its JSON format separately permits an explicit null JSON payload and distinguishes it from absence of the data member. Normalising both into one state can discard a documented distinction. Event-envelope validity therefore does not establish that an action payload was captured or retained.", "required_buyer_context": "Original serialized event; Content type and decoder behaviour; Capture policy and expected action payload. Buyer deployment not 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": "2026-10-24", "claim_to_check": "Does a CloudEvents envelope with missing data mean the same as an explicit null payload?", "documented_statement": { "status": "documented", "statement": "CloudEvents 1.0.2 permits an event without data. Its JSON format separately permits an explicit null JSON payload and distinguishes it from absence of the data member. Normalising both into one state can discard a documented distinction. Event-envelope validity therefore does not establish that an action payload was captured or retained.", "source_ids": [ "ce-spec", "ce-json" ] }, "review_inference": { "status": "review_inference", "statement": "Preserve absence and explicit-null states when assessing payload completeness. This is a review judgment, not an observed execution or deployment result.", "source_ids": [ "ce-spec", "ce-json" ] }, "buyer_evidence_required": [ "Original serialized event", "Content type and decoder behaviour", "Capture policy and expected action payload" ], "review_condition": { "status": "varexis_review_policy", "statement": "Refuse payload-completeness approval from a valid envelope with absent data." }, "unknowns": "Whether data was omitted upstream, intentionally null or lost is unobserved.", "unknown_finding": { "status": "unknown", "statement": "Whether data was omitted upstream, intentionally null or lost is unobserved." }, "evidence_sources": [ { "source_id": "ce-spec", "url": "https://raw.githubusercontent.com/cloudevents/spec/fc1f6f31f5f011a72183f1bcea20c987cb683ade/cloudevents/spec.md", "final_url": "https://raw.githubusercontent.com/cloudevents/spec/fc1f6f31f5f011a72183f1bcea20c987cb683ade/cloudevents/spec.md", "status": 200, "captured_at_utc": "2026-10-24T22:53:28.460Z", "sha256": "e327435c858d19fd171e4ab9781a01fc22dfa949d23c4220976529ebd16a1aa3", "bytes": 25542, "title": "CloudEvents v1.0.2 — spec", "hash_basis": "Decoded HTTP response body bytes", "rights_review": "Original bounded paraphrase; source bodies are captured privately and not redistributed. Repository Apache-2.0 licence reviewed.", "checked_on": "2026-10-24", "capture_status": 200, "claim_review_completed": true, "reviewed_sections": [ "Terminology: event; required id and source", "Source and producer terminology; required source", "Optional time", "specversion; dataschema", "Event Data optionality; JSON Handling of data" ], "version_context": "CloudEvents v1.0.2; extension status must be checked individually; pinned cloudevents/spec revision fc1f6f31f5f011a72183f1bcea20c987cb683ade. Source documentation is not independent evidence of buyer deployment behaviour." }, { "source_id": "ce-json", "url": "https://raw.githubusercontent.com/cloudevents/spec/fc1f6f31f5f011a72183f1bcea20c987cb683ade/cloudevents/formats/json-format.md", "final_url": "https://raw.githubusercontent.com/cloudevents/spec/fc1f6f31f5f011a72183f1bcea20c987cb683ade/cloudevents/formats/json-format.md", "status": 200, "captured_at_utc": "2026-10-24T22:53:28.904Z", "sha256": "30778f995a2c82f3ac6c4f7cd56415d675111990151c9ab67bd0a2de1d0e1ce5", "bytes": 17640, "title": "CloudEvents v1.0.2 — json-format", "hash_basis": "Decoded HTTP response body bytes", "rights_review": "Original bounded paraphrase; source bodies are captured privately and not redistributed. Repository Apache-2.0 licence reviewed.", "checked_on": "2026-10-24", "capture_status": 200, "claim_review_completed": true, "reviewed_sections": [ "Event Data optionality; JSON Handling of data", "Payload serialization and deserialization" ], "version_context": "CloudEvents v1.0.2; extension status must be checked individually; pinned cloudevents/spec revision fc1f6f31f5f011a72183f1bcea20c987cb683ade. Source documentation is not independent evidence of buyer deployment behaviour." } ], "observed_deployment": false, "commercial_reliance_boundary": "Documentation review only; the buyer must establish applicability and actual outcomes. INDEX does not inspect or control the deployment.", "paid_value": { "decision_context": "Preserve absence and explicit-null states when assessing payload completeness.", "free": "Complete review, sources, practical questions 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 the pinned source, deployed version, selection policy and retained operation results before relying on a current outcome." }, "buyer_relevance": "Preserve absence and explicit-null states when assessing payload completeness.", "refusal_conditions": [ "Refuse payload-completeness approval from a valid envelope with absent data." ] }, "niche": { "niche_id": "agent-authority-action-evidence", "label": "Agent Authority & Action Evidence", "classification_id": "audit", "classification_label": "Audit, Provenance & Evidence Accountability", "topic_id": "audit", "buyer_intent": "Preserve absence and explicit-null states when assessing payload completeness.", "comparison_role": "supplementary_discovery" }, "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#cloudevents-null-versus-absent-payload", "machine_readable_record": "/varexis-index/records/cloudevents-null-versus-absent-payload.json" }