{
  "artifact": "PV literature screening record — signed attestation",
  "artifact_version": "1.0",
  "claim": {
    "accounts_for_every_retrieved_record": true,
    "attested_at_utc": "2026-10-31T11:16:34Z",
    "claim_type": "pv-literature-screening-record",
    "finished_utc": "2026-10-31T11:13:07Z",
    "flagged_pmids": [
      "42888253",
      "42674807",
      "42171662",
      "41506007",
      "41262489",
      "41217192",
      "40776640",
      "40660750",
      "40557879",
      "40083090",
      "39985333",
      "39641404",
      "39166117",
      "39128336",
      "39118245",
      "39116704",
      "39019232",
      "38814132",
      "38804896",
      "38644625",
      "38622003",
      "38543128",
      "38280086"
    ],
    "n_excluded": 37,
    "n_excluded_by_reason_code": {
      "X2": 20,
      "X3": 1,
      "X4": 14,
      "X6": 2
    },
    "n_included": 23,
    "n_retrieved": 60,
    "protocol_id": "ZIIX-PV-LS-001",
    "protocol_version": "1.0",
    "record_bytes": 76917,
    "record_file": "sample_record.json",
    "record_sha256": "e3ff228858d1d0cac55030895e9e2c0f29270ba2dfc05713a1fde08c48488299",
    "retrieval_date_utc": "2026-10-31",
    "run_id": "PVLS-ZIIX-PV-LS-001-20261031T111302Z",
    "search_string_verbatim": "(\"daridorexant\"[Title/Abstract]) AND (adverse[tiab] OR safety[tiab] OR \"side effect\"[tiab] OR \"adverse event\"[tiab]) AND (\"2023/11/01\"[Date - Publication] : \"2026/10/31\"[Date - Publication])",
    "source": "NCBI PubMed E-utilities (esearch + efetch)",
    "started_utc": "2026-10-31T11:13:02Z"
  },
  "reproducibility": {
    "algorithm": "SHA-256 over stable-JSON(sorted_keys) of {kind,attestedAt,claim}",
    "canonicalSha256": "e247d3b546d58488c765a9e45417bda828375ee61c9aaf254d7df531fedac20c",
    "note": "Any change to the claim or timestamp changes this hash."
  },
  "signature": {
    "attestedAt": 1793445394,
    "kind": "veritrack/attestation",
    "publicKeyHex": "0e1b40472f388090c765bfeb6c67b9eedbfeba7cfb194fdf47f5b2dc333251e6",
    "sha256": "e247d3b546d58488c765a9e45417bda828375ee61c9aaf254d7df531fedac20c",
    "signature": "753097a83b2c77675356835f70c8e76c766e51b3e815b2755cb9d04fa485cd7a968ea2f44e78b33f2a36e4174861ea03c8cf13acaa17de63146967cc147c2904",
    "signedBy": "x402 VeriTrack Attestation (Ed25519)",
    "verificationHint": "Verification is FREE at GET /v1/veritrack/verify (pass kind/attestedAt/claim + signature + sha256)."
  },
  "verification": {
    "all_checks_passed": true,
    "performed_at_utc": "2026-10-31T11:16:34Z",
    "service_base_url": "http://127.0.0.1:8099",
    "tamper_check_claim_was_parsed": true,
    "tamper_check_rejected": true,
    "verify_1_live_endpoint": {
      "hash_valid": true,
      "recomputed_sha256": "e247d3b546d58488c765a9e45417bda828375ee61c9aaf254d7df531fedac20c",
      "signature_valid": true,
      "valid": true,
      "verifiedAt": 1793445394,
      "verifiedBy": "x402 VeriTrack (Ed25519 + SHA-256)"
    },
    "verify_1_passed": true,
    "verify_2_local_recompute": {
      "sha256_claimed": "e247d3b546d58488c765a9e45417bda828375ee61c9aaf254d7df531fedac20c",
      "sha256_ok": true,
      "sha256_recomputed": "e247d3b546d58488c765a9e45417bda828375ee61c9aaf254d7df531fedac20c",
      "sig_ok": true
    },
    "verify_2_passed": true,
    "verify_3_claim_digest_match": true
  }
}