{ "schema": "varexis-public-evidence-record/0.3", "generated_at_utc": "2026-10-29T22:28:47.410696+00:00", "record_id": "VXI-EXT-ICE07-OCI-REFERRERS-FILTER-APPLIED-EVIDENCE-01-v1", "record_kind": "external_reference", "title": "Does an OCI artifactType query prove the response was filtered", "system": "Open Containers Initiative", "evidence_family": "vendor_evidence_review", "index_status": "PUBLIC_SAFE_SOURCE_REVIEW", "evidence_state": "PRIMARY_DOCUMENTATION_REVIEW_ONLY", "canonical_question": "Does an OCI artifactType query prove the response was filtered?", "near_questions": [ "Did the registry apply artifactType filtering?", "Can filtered requests return other types?", "What proves server-side filtering?", "Should returned descriptor types still be inspected?" ], "supported_claims": [ { "claim": "Filtering support is recommended rather than universal. 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Applied filtering must be reported in OCI-Filters-Applied.", "related_record_ids": [], "source_review": { "source_type": "official_external_documentation", "source_title": "Open Container Initiative Distribution Specification", "source_url": "https://raw.githubusercontent.com/opencontainers/distribution-spec/v1.1.1/spec.md", "checked_on": "2026-10-29", "candidate_record_id": "VXI-EXT-ICE07-OCI-REFERRERS-FILTER-APPLIED-EVIDENCE-01-v1", "candidate_record_sha256": "b2b17892486b4124b8da0c89907520558c56011324c94bdd1e6b0df314195b32", "method": "Primary documentation reviewed for the published bounded statement.", "deployment_tested_by_varexis": false, "revalidation": "The delivered snapshot preserves the review date shown. 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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": "2026-10-29", "claim_to_check": "Does an OCI artifactType query prove the response was filtered?", "documented_statement": { "status": "documented", "statement": "Filtering support is recommended rather than universal. Applied filtering must be reported in OCI-Filters-Applied.", "source_ids": [ "oci-distribution" ] }, "review_inference": { "status": "review_inference", "statement": "Select signatures from a mixed attachment inventory. Require the missing evidence before accepting, retrying or closing the operation. Filter execution differs from attestation predicate meaning. 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Inspect applied-filter evidence and returned types." }, "unknowns": "The buyer implementation, effective authority, source-data completeness and actual business outcomes were not inspected.", "unknown_finding": { "status": "unknown", "statement": "No buyer deployment or transaction was observed." }, "evidence_sources": [ { "source_id": "oci-distribution", "url": "https://raw.githubusercontent.com/opencontainers/distribution-spec/v1.1.1/spec.md", "final_url": "https://raw.githubusercontent.com/opencontainers/distribution-spec/v1.1.1/spec.md", "captured_at_utc": "2026-10-29T22:17:23.241867+00:00", "status": 200, "content_type": "text/plain; charset=utf-8", "bytes": 47162, "sha256": "360b29820869bfaac5f73ebfa30669c9172c069ef619f8c6689acc3bcef6f719", "publisher": "Open Containers Initiative", "title": "Open Container Initiative Distribution Specification", "version_context": "OCI Distribution 1.1.1 (a139cc423184af6078077b9b7ee336eddbd03f8f)", "rights_disposition": "Original bounded paraphrase with source attribution. Captured source body remains private; no source-body redistribution. Specification published under Apache-2.0; attribution retained; marks excluded.", "checked_on": "2026-10-29", "capture_status": 200, "claim_review_completed": true, "hash_basis": "SHA-256 of captured HTTP response body bytes", "reviewed_sections": [ "Listing Referrers", "Deleting tags", "Deleting Manifests", "Mounting a blob from another repository" ] } ], "observed_deployment": false, "commercial_reliance_boundary": "Documentation supports only the stated boundary. Existing licensed checkers analyse supported supplied declarations locally; they do not inspect provider accounts, verify live behaviour, enforce decisions or certify compliance.", "paid_value": { "decision_context": "Select signatures from a mixed attachment inventory. 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No ongoing monitoring is included.", "specific_watch": "Listing Referrers" }, "buyer_relevance": "Select signatures from a mixed attachment inventory. Require the missing evidence before accepting, retrying or closing the operation.", "refusal_conditions": [ "Do not classify every descriptor from the query alone. 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