{ "schema": "varexis-public-evidence-record/0.3", "generated_at_utc": "2026-10-24T23:11:13.073Z", "record_id": "VXI-EXT-PROCUREMENT-CLOUDEVENTS-TRACE-EXTENSION-ORIGINAL-CONTEXT-01-v1", "record_kind": "external_reference", "title": "CloudEvents original trace versus transport hops", "system": "CloudEvents v1.0.2", "evidence_family": "vendor_evidence_review", "index_status": "PUBLIC_SAFE_SOURCE_REVIEW", "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY", "canonical_question": "Should ce-traceparent be replaced by each intermediary HTTP hop traceparent when forwarding a CloudEvent?", "near_questions": [ "Why can CloudEvents ce-traceparent differ from HTTP traceparent?", "Does CloudEvents tracing preserve the first trace or the latest hop?", "Can middleware add a missing CloudEvents tracing extension?", "What evidence separates event origin tracing from forwarding-hop tracing?" ], "supported_claims": [ { "claim": "The distributed-tracing extension published with version 1.0.2 retains the starting trace across multi-hop event transmission; individual-hop tracing is carried by protocol-specific headers. For a single hop the contexts must agree. Middleware may add the extension when absent. Extension support is optional and these listed extensions have no official core standing, so implementations and their forwarding behaviour must be confirmed separately.", "reliance": "DOCUMENTED_CAPABILITY_ONLY" } ], "not_demonstrated_claims": [ "No actual trace continuity or authenticated causality was verified.", "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": "The distributed-tracing extension published with version 1.0.2 retains the starting trace across multi-hop event transmission; individual-hop tracing is carried by protocol-specific headers. For a single hop the contexts must agree. Middleware may add the extension when absent. 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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 distributed-tracing extension published with version 1.0.2 retains the starting trace across multi-hop event transmission; individual-hop tracing is carried by protocol-specific headers. For a single hop the contexts must agree. Middleware may add the extension when absent. Extension support is optional and these listed extensions have no official core standing, so implementations and their forwarding behaviour must be confirmed separately.", "required_buyer_context": "Event extension trace fields; Protocol trace context for each hop; Producer and intermediary extension support and changes. 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": "Should ce-traceparent be replaced by each intermediary HTTP hop traceparent when forwarding a CloudEvent?", "documented_statement": { "status": "documented", "statement": "The distributed-tracing extension published with version 1.0.2 retains the starting trace across multi-hop event transmission; individual-hop tracing is carried by protocol-specific headers. For a single hop the contexts must agree. Middleware may add the extension when absent. Extension support is optional and these listed extensions have no official core standing, so implementations and their forwarding behaviour must be confirmed separately.", "source_ids": [ "ce-tracing", "ce-extensions" ] }, "review_inference": { "status": "review_inference", "statement": "Preserve original event provenance without confusing it with transport-hop tracing. This is a review judgment, not an observed execution or deployment result.", "source_ids": [ "ce-tracing", "ce-extensions" ] }, "buyer_evidence_required": [ "Event extension trace fields", "Protocol trace context for each hop", "Producer and intermediary extension support and changes" ], "review_condition": { "status": "varexis_review_policy", "statement": "Refuse a complete causal chain from a single ce-traceparent value." }, "unknowns": "No actual trace continuity or authenticated causality was verified.", "unknown_finding": { "status": "unknown", "statement": "No actual trace continuity or authenticated causality was verified." }, "evidence_sources": [ { "source_id": "ce-tracing", "url": "https://raw.githubusercontent.com/cloudevents/spec/fc1f6f31f5f011a72183f1bcea20c987cb683ade/cloudevents/extensions/distributed-tracing.md", "final_url": "https://raw.githubusercontent.com/cloudevents/spec/fc1f6f31f5f011a72183f1bcea20c987cb683ade/cloudevents/extensions/distributed-tracing.md", "status": 200, "captured_at_utc": "2026-10-24T22:53:29.755Z", "sha256": "bf6cef7bc1a72c59eee126f5f5a3047f58d9961899fbfa9625c3ade3f28980a5", "bytes": 2319, "title": "CloudEvents v1.0.2 — distributed-tracing", "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": [ "Using the Distributed Tracing Extension; optional extension status" ], "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-extensions", "url": "https://raw.githubusercontent.com/cloudevents/spec/fc1f6f31f5f011a72183f1bcea20c987cb683ade/cloudevents/documented-extensions.md", "final_url": "https://raw.githubusercontent.com/cloudevents/spec/fc1f6f31f5f011a72183f1bcea20c987cb683ade/cloudevents/documented-extensions.md", "status": 200, "captured_at_utc": "2026-10-24T22:53:30.597Z", "sha256": "349f5ce2eaac0415cb9ba8e92ca59813831ccf9638f79560e460b372d6b88c90", "bytes": 2340, "title": "CloudEvents v1.0.2 — documented-extensions", "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": [ "Using the Distributed Tracing Extension; optional extension status", "Sequence attributes; Integer semantics; extension status", "Claim Check Pattern; accessibility and retention; extension status", "Partitionkey description; extension status" ], "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 original event provenance without confusing it with transport-hop tracing.", "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 original event provenance without confusing it with transport-hop tracing.", "refusal_conditions": [ "Refuse a complete causal chain from a single ce-traceparent value." ] }, "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 original event provenance without confusing it with transport-hop tracing.", "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-trace-extension-original-context", "machine_readable_record": "/varexis-index/records/cloudevents-trace-extension-original-context.json" }