{
  "schema": "varexis-public-evidence-record/0.3",
  "generated_at_utc": "2026-10-16T07:59:18.009Z",
  "record_id": "VXI-EXT-PROCUREMENT-LANGFUSE-DELETE-01-v1",
  "record_kind": "external_reference",
  "title": "Langfuse deletion: Accepted requests and completed removal differ",
  "system": "Langfuse",
  "evidence_family": "vendor_evidence_review",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY",
  "canonical_question": "Does a Langfuse trace deletion response prove all related personal data is gone?",
  "near_questions": [
    "Is Langfuse trace deletion synchronous?",
    "Is a deletion confirmation sent?",
    "How can completion be checked?",
    "Do datasets remain outside trace deletion?",
    "Can later ingestion recreate related data?",
    "Which trace IDs were selected?",
    "Does deleting a project revoke its keys immediately?",
    "Can project deletion continue in the background?",
    "What objects were outside the requested scope?",
    "Does missing UI content prove complete backend removal?",
    "When should an agent report deletion as pending?",
    "Can I save the deletion-evidence review?"
  ],
  "supported_claims": [
    {
      "claim": "Tracing deletion is asynchronous and the guide recommends querying again to check completion. Removing traces does not necessarily remove data held in other objects such as datasets, and later ingestion can add data again. Scope, timing and verification need separate evidence.",
      "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": "Tracing deletion is asynchronous and the guide recommends querying again to check completion. Removing traces does not necessarily remove data held in other objects such as datasets, and later ingestion can add data again. Scope, timing and verification need separate evidence.",
  "related_record_ids": [],
  "source_review": {
    "source_type": "official_external_documentation",
    "source_title": "Langfuse data deletion",
    "source_url": "https://langfuse.com/docs/administration/data-deletion",
    "checked_on": "2026-10-16",
    "candidate_record_id": "VXI-EXT-PROCUREMENT-LANGFUSE-DELETE-01-v1",
    "candidate_record_sha256": "2efaf3ee08b753865d92f36fb36ad1a48abd1d50f80d732c4d46b7d0dead1bd2",
    "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": "Tracing deletion is asynchronous and the guide recommends querying again to check completion. Removing traces does not necessarily remove data held in other objects such as datasets, and later ingestion can add data again. Scope, timing and verification need separate evidence.",
    "required_buyer_context": "Deletion selection, ingestion, related objects and completion evidence. 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": "A trace-deletion request proves complete immediate erasure.",
    "documented_statement": {
      "status": "documented",
      "statement": "Tracing deletion is asynchronous and the guide recommends querying again to check completion. Removing traces does not necessarily remove data held in other objects such as datasets, and later ingestion can add data again. Scope, timing and verification need separate evidence.",
      "source_ids": [
        "langfuse-delete"
      ]
    },
    "buyer_evidence_required": [
      "Selected trace IDs and related object inventory.",
      "Ingestion state and completion checks.",
      "Separate dataset and other retained-object review."
    ],
    "review_condition": {
      "status": "varexis_review_policy",
      "statement": "Do not convert deletion acceptance into a complete-erasure assertion."
    },
    "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": "langfuse-delete",
        "url": "https://langfuse.com/docs/administration/data-deletion",
        "final_url": "https://langfuse.com/docs/administration/data-deletion",
        "title": "Langfuse data deletion",
        "checked_on": "2026-10-16",
        "sha256": "924cc923a9b30b883f0f57f84c4d2b0b0b5c056cbd29172ca79ac68a34b6d620",
        "bytes": 502769
      }
    ],
    "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 deletion scope and outstanding completion checks without inventing an erasure guarantee.",
      "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": "Deletion selection, ingestion, related objects and completion evidence"
    }
  },
  "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#langfuse-trace-deletion-completion",
  "machine_readable_record": "/varexis-index/records/langfuse-trace-deletion-completion.json"
}