{
  "schema": "varexis-public-evidence-record/0.3",
  "generated_at_utc": "2026-10-06T23:09:49Z",
  "record_id": "VXI-BDAS-BACKBLAZE-D0-7135082-DEVELOPMENT-v1",
  "record_kind": "reviewed_evidence_summary",
  "title": "BDAS Backblaze D0: Development characterisation",
  "system": "BDAS",
  "evidence_family": "reviewed_evaluation_outcome",
  "index_status": "PUBLIC_SAFE_SOURCE_REVIEW",
  "evidence_state": "DEVELOPMENT_CHARACTERISATION_NO_OPERATOR_FREEZE",
  "canonical_question": "Does Backblaze D0 characterisation establish a qualified selective operator?",
  "near_questions": [
    "What did the Backblaze D0 development stage complete?",
    "Does profiling storage data establish an acceleration capability?",
    "Was an operator frozen by the D0 characterisation result?",
    "Can D0 be cited as fresh qualification evidence?",
    "What does unopened qualification mean for a buyer's claim?",
    "Does identifying a development profile prove later execution success?",
    "What should a Backblaze development receipt preserve?",
    "Can a large development population replace holdout validation?",
    "How should D0 preparation be linked to a later campaign?",
    "Does paid review upgrade the D0 maturity state?",
    "Which record separates characterisation from operator validation?",
    "What context is needed to review a Backblaze preparation claim?"
  ],
  "supported_claims": [
    {
      "claim": "The D0 source records completed development characterisation with no operator freeze. Qualification and locked-outer access remain recorded as unopened. This is preparation evidence, not an acceleration result.",
      "reliance": "SUPPLIED_EVIDENCE_REVIEW_ONLY"
    }
  ],
  "not_demonstrated_claims": [
    "qualified selective operator",
    "performance acceleration",
    "fresh qualification result",
    "locked-outer validation"
  ],
  "public_summary": "The D0 source records completed development characterisation with no operator freeze. Qualification and locked-outer access remain recorded as unopened. This is preparation evidence, not an acceleration result.",
  "related_record_ids": [
    "VXI-BDAS-BACKBLAZE-D1-7135360-WORKER-FAILED-v1"
  ],
  "source_review": {
    "source_type": "varexis_supplied_evidence",
    "source_record_id": "backblaze-d0",
    "source_artifact_sha256": "bc7775ec0847b0d9ea9d634b5fe1363c931fcb06b2bebbf71818c3940dc1c891",
    "source_record_sha256": "70ed05afa8bb6b2be2419626ad2c7a31198891cd3fbff1427befdd91af7cb5f7",
    "checked_on": "2026-10-07",
    "artifact_integrity_checked": true,
    "method": "Archive integrity checked and supplied outcome reviewed. Experiments were not rerun.",
    "source_visibility": "Sealed operator material; the published summary excludes protected details.",
    "independent_replication_claimed": false
  },
  "answer_policy": {
    "classification": "SOURCE_OUTCOME_WITH_BOUNDARIES",
    "bounded_answer": "The D0 source records completed development characterisation with no operator freeze. Qualification and locked-outer access remain recorded as unopened. This is preparation evidence, not an acceleration result.",
    "required_buyer_context": "The preparation or performance claim and the evaluation stage it relies on.",
    "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.",
  "paid_access_note": "The public answer and boundaries are free. Pay first, then email a concrete question for asynchronous manual review, receipt or scoped export. No fixed turnaround or automatic API access is promised.",
  "service_route": {
    "request_guide": "/varexis-index/request.html",
    "request_workflow": "/varexis-index/request-workflow.json",
    "service_id": "evidence_receipt",
    "service_routes_url": "/varexis-index/service-routes.json",
    "payment_required": true,
    "accepting_paid_requests": true,
    "operational_status": "PAID_ASYNC_MANUAL_FULFILMENT",
    "checkout_url": "https://buy.stripe.com/28EaEXaPe7bBdGLgXSdwc05"
  },
  "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#bdas-backblaze-d0-development",
  "machine_readable_record": "/varexis-index/records/bdas-backblaze-d0-development.json"
}