{ "schema": "varexis-index-free-publication-preview/1", "catalogue_version": "pub-5-tranche-55-v1", "route_id": "agentic_reviewed_intoto_sublayout_link_namespace", "record_id": "VXI-EXT-PROCUREMENT-INTOTO-SUBLAYOUT-LINK-NAMESPACE-01-v1", "question": "Does in-toto disambiguate links from sublayouts that reuse the same step name?", "answer": "The in-toto 1.0.0 specification places sublayout link metadata in a directory named from its sublayout link filename without the .link suffix. This separates step names that can be reused by independent layout authors. Flattening those files can lose the documented namespace distinction; a filename alone is not enough to attribute a link to the intended delegated step.", "records": [ { "record_id": "VXI-EXT-PROCUREMENT-INTOTO-SUBLAYOUT-LINK-NAMESPACE-01-v1", "url": "/varexis-index/records/intoto-sublayout-link-namespace.json", "content_sha256": "d74aa85f339e034060ec483ac2689080ebcf0d0868d9c34beecfe4fcb38180e3", "evidence": { "schema": "varexis-public-evidence-record/0.3", "generated_at_utc": "2026-10-24T23:11:13.073Z", "record_id": "VXI-EXT-PROCUREMENT-INTOTO-SUBLAYOUT-LINK-NAMESPACE-01-v1", "record_kind": "external_reference", "title": "in-toto delegated link namespaces", "system": "in-toto specification v1.0.0", "evidence_family": "vendor_evidence_review", "index_status": "PUBLIC_SAFE_SOURCE_REVIEW", "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY", "canonical_question": "Does in-toto disambiguate links from sublayouts that reuse the same step name?", "near_questions": [ "Can in-toto sublayouts reuse the same step name?", "Why must sublayout links retain their directory namespace?", "Does flattening in-toto link files preserve delegated attribution?", "Which directory identifies an in-toto sublayout evidence set?" ], "supported_claims": [ { "claim": "The in-toto 1.0.0 specification places sublayout link metadata in a directory named from its sublayout link filename without the .link suffix. This separates step names that can be reused by independent layout authors. Flattening those files can lose the documented namespace distinction; a filename alone is not enough to attribute a link to the intended delegated step.", "reliance": "DOCUMENTED_CAPABILITY_ONLY" } ], "not_demonstrated_claims": [ "No buyer metadata package or verifier file resolution was inspected.", "No verified business outcome, complete event capture, 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 in-toto 1.0.0 specification places sublayout link metadata in a directory named from its sublayout link filename without the .link suffix. This separates step names that can be reused by independent layout authors. Flattening those files can lose the documented namespace distinction; a filename alone is not enough to attribute a link to the intended delegated step.", "related_record_ids": [], "source_review": { "source_type": "official_external_documentation", "source_title": "in-toto specification v1.0.0 — in-toto-spec", "source_url": "https://raw.githubusercontent.com/in-toto/specification/6459afd8e94a332e423ba05c2862b534acbe741d/in-toto-spec.md", "checked_on": "2026-10-24", "candidate_record_id": "VXI-EXT-PROCUREMENT-INTOTO-SUBLAYOUT-LINK-NAMESPACE-01-v1", "candidate_record_sha256": "d9c1dfca0bc9f4a31ca7b92a7b074e6a5520dee6ee1fa14739877d43d1f0702a", "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": "The in-toto 1.0.0 specification places sublayout link metadata in a directory named from its sublayout link filename without the .link suffix. This separates step names that can be reused by independent layout authors. Flattening those files can lose the documented namespace distinction; a filename alone is not enough to attribute a link to the intended delegated step.", "required_buyer_context": "Parent and sublayout link names; Original directory structure and file hashes; Step-to-functionary signature bindings. 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 in-toto disambiguate links from sublayouts that reuse the same step name?", "documented_statement": { "status": "documented", "statement": "The in-toto 1.0.0 specification places sublayout link metadata in a directory named from its sublayout link filename without the .link suffix. This separates step names that can be reused by independent layout authors. Flattening those files can lose the documented namespace distinction; a filename alone is not enough to attribute a link to the intended delegated step.", "source_ids": [ "intoto-spec" ] }, "review_inference": { "status": "review_inference", "statement": "Retain the delegated layout namespace when collecting verification evidence. This is a review judgment, not an observed deployment outcome.", "source_ids": [ "intoto-spec" ] }, "buyer_evidence_required": [ "Parent and sublayout link names", "Original directory structure and file hashes", "Step-to-functionary signature bindings" ], "review_condition": { "status": "varexis_review_policy", "statement": "Refuse delegated-step attribution from a flattened collection with ambiguous repeated names." }, "unknowns": "No buyer metadata package or verifier file resolution was inspected.", "unknown_finding": { "status": "unknown", "statement": "No buyer metadata package or verifier file resolution was inspected." }, "evidence_sources": [ { "source_id": "intoto-spec", "url": "https://raw.githubusercontent.com/in-toto/specification/6459afd8e94a332e423ba05c2862b534acbe741d/in-toto-spec.md", "final_url": "https://raw.githubusercontent.com/in-toto/specification/6459afd8e94a332e423ba05c2862b534acbe741d/in-toto-spec.md", "status": 200, "captured_at_utc": "2026-10-24T22:53:31.042Z", "sha256": "dc5cdd7086397efd402262ee966035d9ff0854f777dfa3b925e635c179898340", "bytes": 93385, "title": "in-toto specification v1.0.0 — in-toto-spec", "hash_basis": "Decoded HTTP response body bytes", "rights_review": "Original bounded paraphrase; source bodies are captured privately and not redistributed. Repository MIT licence reviewed.", "checked_on": "2026-10-24", "capture_status": 200, "claim_review_completed": true, "reviewed_sections": [ "4.3.1 Steps: expected_command", "4.4 Byproducts; 4.3.2.1 Inspection interface", "4.3.2 Inspections; 5.2 verification workflow", "4.3.3.1 Rule processing", "4.3.3.1 Sequential rule processing; 4.3.3.3 DISALLOW", "4.3.3.2 MATCH; 4.3.3.3 error-producing rules", "4.3.3 Artifact rules: MODIFY", "4.3 EXPIRES; 5.2 expiry verification", "3.1.2 Link metadata reuse", "4.5.1 Artifact rules in sublayouts; 4.5.3 inspections", "4.5.3 Inspections on sublayouts", "4.5.2 Namespacing link metadata" ], "version_context": "in-toto specification 1.0.0 (2023-06-02), pinned revision; pinned in-toto/specification revision 6459afd8e94a332e423ba05c2862b534acbe741d. 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": "Retain the delegated layout namespace when collecting verification evidence.", "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": "Retain the delegated layout namespace when collecting verification evidence.", "refusal_conditions": [ "Refuse delegated-step attribution from a flattened collection with ambiguous repeated names." ] }, "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": "Retain the delegated layout namespace when collecting verification evidence.", "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#intoto-sublayout-link-namespace", "machine_readable_record": "/varexis-index/records/intoto-sublayout-link-namespace.json" } } ], "access": { "mode": "exact_http_only", "payment_required": false, "purchase_url": null, "mcp_preview_available": false, "paid_saved_retrieval_available": false, "natural_language_search_qualified": false }, "boundary": "Catalogue additions are available free through the exact HTTP JSON links below. Enhanced natural-language discovery is not yet qualified for these records. They are outside MCP search, MCP preview and paid saved retrieval. No search qualification, executable capability or entitlement is added.", "content_sha256": "7bc21cff9e6ed687dfbbb8b42ff9ea22a08de884c2cf77ecf9b23c78401a135c" }