{
  "checked": "2026-09-23",
  "records": [
    {
      "id": "K1",
      "title": "Contact of Containership Dali with Francis Scott Key Bridge and Subsequent Bridge Collapse",
      "authority": "NTSB",
      "document": "MIR-25-40",
      "date": "2025-11-18",
      "status": "Final; case Completed",
      "url": "https://www.ntsb.gov/investigations/AccidentReports/Reports/MIR2540.pdf",
      "local": "evidence/MIR2540.pdf",
      "sha256": "5f2735063eb2bee3c41d40e2bd55f98757b938c1d37710b5d967b7652697c6de"
    },
    {
      "id": "K2",
      "title": "Bridge Protection Systems Group Chairman Factual Report",
      "authority": "NTSB docket / MDTA drawings",
      "url": "https://data.ntsb.gov/Docket/Document/docBLOB?FileExtension=pdf&FileName=Bridge+Protection+Systems+Group+Chairman%27s+Factual+Report%27-Rel.pdf&ID=18419216",
      "local": "evidence/bridge_protection_factual.pdf",
      "sha256": "c66e72620519c7930d24c46bbb7f547632a12cf017a286addc6d7bf52ee27b36"
    },
    {
      "id": "K3",
      "title": "DCA24MM031 Preliminary Report",
      "authority": "NTSB",
      "url": "https://www.ntsb.gov/investigations/Documents/DCA24MM031_PreliminaryReport%203.pdf",
      "local": "evidence/Key_preliminary.pdf",
      "use": "geometry only; final cause superseded byK1",
      "sha256": "eab858bb93c54ccc075ccca7dfaa65e94b87b189410dc8f441cbaff9e193ff5b"
    },
    {
      "id": "L1",
      "title": "粤交航政函〔2021〕318号",
      "authority": "广东省交通运输厅",
      "date": "2021-10-09 public page; signed2021-10-01",
      "url": "https://td.gd.gov.cn/zcwj_n/xkgg/content/post_3557874.html",
      "use": "approved navigation dimensions and fender arrangement, not as-built acceptance"
    },
    {
      "id": "L2",
      "title": "南沙沥心沙大桥被撞 将拆除受损桥墩",
      "authority": "广州日报记者现场报道 / 大洋网",
      "date": "2024-02-23",
      "url": "https://news.dayoo.com/guangzhou/202402/23/139995_54632828.htm",
      "use": "primary journalism of government briefing, not final investigation"
    },
    {
      "id": "B1",
      "title": "Contact of Mexican Navy ARM Cuauhtemoc BE01 with BrooklynBridge",
      "authority": "NTSB",
      "date": "2025-06-30",
      "status": "Preliminary; Ongoing on2026-09-23",
      "url": "https://www.ntsb.gov/investigations/Pages/DCA25MM039.aspx",
      "local": "https://www.ntsb.gov/investigations/Pages/DCA25MM039.aspx",
      "sha256": "75e673a32bde387fe6939c5ffcd2d02db870270a07b5761aae5c843205141469"
    },
    {
      "id": "B2",
      "title": "Zarpa el Buque Escuela CUAUHTEMOC",
      "authority": "Universidad Naval / Gobierno de Mexico",
      "url": "https://www.gob.mx/universidadnaval/articulos/zarpa-el-buque-escuela-cuauhtemoc-94712",
      "use": "length90.5m and beam12m; historical particulars not casualty loading"
    },
    {
      "id": "R1",
      "title": "Contact of Towing Vessel Karen Andrie with EJ&E Railroad Bridge",
      "authority": "NTSB",
      "event_date": "2026-03-31",
      "status": "Preliminary; Ongoing checked2026-09-23",
      "url": "https://www.ntsb.gov/investigations/Pages/DCA26FM012.aspx",
      "image_note": "2016 vessel photo byBrianWroblewski/VesselFinder, not2026 accident"
    },
    {
      "id": "R2",
      "title": "渔船失控撞桥 父子双双落水",
      "authority": "阳江日报记者王雄基 / 通讯员韦智锋; image消防支队",
      "date": "2026-04-30",
      "url": "https://yjdaily.yjrb.com.cn/html/2026-04/30/content_72097_19500066.htm",
      "local": "https://yjdaily.yjrb.com.cn/html/2026-04/30/content_72097_19500066.htm",
      "status": "primary rescue journalism; no reported bridge-collapse or formal bridge-damage finding"
    },
    {
      "id": "L3",
      "title": "广州南沙沥心沙大桥被撞断",
      "authority": "羊城晚报原始新闻",
      "date": "2024-02-22",
      "url": "https://news.ycwb.com/2024-02/22/content_52514545.htm",
      "use": "55+85+55m main spans;25m suspended span;9.8m bridge width; newspaper photo surveyed visually"
    }
  ],
  "media": [
    {
      "file": "evidence/final_p066.png",
      "identity": "preaccident photograph from MDTA reproduced NTSB Fig27",
      "source": "K1 PDF66",
      "license": "attribute MDTA/NTSB; do not assign a blanket license to all report illustrations"
    },
    {
      "file": "evidence/final_p081.png",
      "identity": "technical profile of ship, NOT photograph",
      "source": "K1 PDF81 Fig41"
    },
    {
      "file": "evidence/final_p059.png",
      "identity": "contact diagram with onsite photo inset",
      "source": "K1 PDF59 Fig19"
    },
    {
      "url": "https://www.youtube.com/watch?v=bu7PJoxaMZg",
      "identity": "NTSB electrical-failure cause animation2025-11-18, NOT accident CCTV or collapse kinematics",
      "verification": "linked by official case; streaming not frame-by-frame verified"
    },
    {
      "url": "https://www.youtube.com/watch?v=CwgOHpZlxvc",
      "identity": "NTSB postaccident aerial footage",
      "verification": "official case link; streaming requires connection"
    },
    {
      "url": "https://dayooimg.dayoo.com/www/202402/23/54632828_501cb8b1-7594-47c2-8e51-64f9183db0f9.jpg",
      "identity": "Lixinsha original journalism image fromL2",
      "local": null,
      "verification": "original article IMG verified; remote delivery may fail; source fallback visible"
    },
    {
      "url": "https://www.ntsb.gov/investigations/PublishingImages/DCA25MM039-img.jpg",
      "identity": "NTSB case photo after tall-ship contact",
      "verification": "official image link verified"
    },
    {
      "url": "https://www.youtube.com/live/V_ZHng2BF3I?feature=share",
      "identity": "NTSB media briefing2025-05-19, NOT accident CCTV",
      "verification": "official case link; click-to-load streaming"
    },
    {
      "file": "evidence/lixinsha-ycwb-bridge-detail.png",
      "identity": "crop of original newspaper onsite photo",
      "source": "evidence/lixinsha-ycwb-20240223-A03.pdf",
      "credit": "羊城晚报2024-02-23 A3 / 钟振彬、曾育文",
      "verification": "original newspaper page and crop visually inspected"
    },
    {
      "file": "evidence/key-cctv-frame-manifest.json",
      "identity": "NRP original surveillance reproduced inK2, with source page/crop/hash/time precision",
      "verification": "original report images inspected; Fig36/37/38 sequence-only, no independent frame time"
    }
  ],
  "unresolved": [
    "Lixinsha official full investigation PDF direct link and ship survey dimensions not acquired; do not mislabel nearby Jiujiang ship-sinking PDF as this report.",
    "Lixinsha original CCTV uploader and rights unresolved; no unverified surveillance clip embedded.",
    "Brooklyn final probable cause not issued on case page as checked.",
    "Exact Key ship stow, pier member dimensions, fracture sequence and ground contact not reconstructed."
  ]
}