{
  "story_id": "f1e34717b70f489ce48cb8f2dd3cd2c7",
  "desk": "drm3",
  "revision": 1,
  "published_at": "2026-09-03T02:21:11.000Z",
  "content_hash": "97db1c14fd4d1095e2b3c7e040235a36c4e0f1182c6501d213e1a1aa2b341289",
  "hash_basis": "sha256 over `headline\\ndek\\nprose`, plus `\\n` + the canonical citations JSON when any source is placed, plus `\\n#blog` for blogs",
  "basis": {
    "headline": "Sabalenka Defends US Open Title in Record-Breaking Victory",
    "dek": "Aryna Sabalenka defeated Iatcenko in a dominant display to retain her US Open crown and extend her title defense.",
    "prose": "Aryna Sabalenka defeated Iatcenko to retain the US Open title, completing her title defense in one of the quickest Grand Slam wins of her career. [^1]\n\nMagdalena Fręch, representing Poland, lost her first-round match at the US Open to American Iva Jovic. [^2]\n\nSabalenka admitted she had been dealing with several issues and was not training seriously before the tournament began. [^3]\n\nSabalenka defeated world number 160 Iatcenko in a match lasting only 24 minutes, winning 24 winners to Iatcenko's 3. [^4]\n\nIva Jovic advanced to the second round of the US Open following her victory. [^5]\n\nElena Rybakina would rise to the summit of the rankings if she reaches the semi-finals, even if Sabalenka retains the title. [^6]",
    "cited": "[{\"statement\":\"Aryna Sabalenka defeated Iatcenko to retain the US Open title, completing her title defense in one of the quickest Grand Slam wins of her career.\",\"source\":\"BBC Sport\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-03T02:21:11.000Z\",\"publisher_count\":1,\"sources\":[\"BBC Sport\"]},{\"statement\":\"Magdalena Fręch, representing Poland, lost her first-round match at the US Open to American Iva Jovic.\",\"source\":\"Przegląd Sportowy\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-02T23:31:08.000Z\",\"publisher_count\":1,\"sources\":[\"Przegląd Sportowy\"]},{\"statement\":\"Sabalenka admitted she had been dealing with several issues and was not training seriously before the tournament began.\",\"source\":\"BBC Sport\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-03T02:21:11.000Z\",\"publisher_count\":1,\"sources\":[\"BBC Sport\"]},{\"statement\":\"Sabalenka defeated world number 160 Iatcenko in a match lasting only 24 minutes, winning 24 winners to Iatcenko's 3.\",\"source\":\"BBC Sport\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-03T02:21:11.000Z\",\"publisher_count\":1,\"sources\":[\"BBC Sport\"]},{\"statement\":\"Iva Jovic advanced to the second round of the US Open following her victory.\",\"source\":\"Przegląd Sportowy\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-02T23:31:08.000Z\",\"publisher_count\":1,\"sources\":[\"Przegląd Sportowy\"]},{\"statement\":\"Elena Rybakina would rise to the summit of the rankings if she reaches the semi-finals, even if Sabalenka retains the title.\",\"source\":\"BBC Sport\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-03T02:21:11.000Z\",\"publisher_count\":1,\"sources\":[\"BBC Sport\"]}]",
    "kind": "news"
  },
  "receipt_verify": "Ed25519 over the dot-joined string `slice_hash.cursor_from.cursor_to.view.view_version.row_count`; public_key and sig are base64url of the raw 32-byte key / 64-byte signature",
  "receipt": null,
  "receipt_note": "this revision predates receipt-keeping (before v0.37.0); the filed row lives in the record",
  "generation_chain": {
    "wire": {
      "stream": "fountain_news",
      "story_id": "1109776f30e3fee13cd670a8ef7dea53",
      "thread_id": "d6767edecad4c4dcc3a3399b28b5047c",
      "thread_label": "Iva Jovic",
      "novelty": "UPDATE",
      "content_hash": "06969a6e6953af9adad7e9678feaa5300a892f4848fa135839027cb580309970",
      "last_published_at": "2026-09-03T02:21:11.000Z",
      "read_receipt": {
        "slice_hash": "85da8bf8dbdb985d831757997629c12273022effbecfd0e126c2f368f00b2970",
        "cursor_from": "eyJ0cyI6IjIwMjYtMDktMDNUMDI6MDI6NDIuMDAwMDAwWiIsImlkIjoiYmYyN2Y5MGFmNDQ3MmI4ZDE3NTEwZDZiYzFmOWVkYjEiLCJ2IjoiMSJ9",
        "cursor_to": "eyJ0cyI6IjIwMjYtMDktMDNUMDI6NTE6MTkuMDAwMDAwWiIsImlkIjoiNTU5MGI3OGYwMzBhYmRlMWI5NDMwMGU1ZjU0NGNmMmYiLCJ2IjoiMSJ9",
        "view": "v_fountain_news",
        "view_version": "1",
        "row_count": 100,
        "window_days": 3,
        "bytes_scanned": 12568115,
        "credits": 8,
        "price_per_100_rows": 8,
        "sig": "UkKAzvXxcHY8DtvNX9cQQ5sA4E17GIFVNTCBlsLEJksHFwaf8SE4_neOS1mWBQpuJn0dtVwPOsXLXvhR2ckpDA",
        "public_key": "bMUigy8O0jOnBxQ4Sc-5lwhIZ8LQVAhxMbR7qESVuUE",
        "signer_path": "lakehouse/data-extract/v1",
        "alg": "Ed25519",
        "signed": true
      }
    },
    "written_at": "2026-09-03T06:45:58.328Z"
  },
  "cited_facts": [
    {
      "statement": "Aryna Sabalenka defeated Iatcenko to retain the US Open title, completing her title defense in one of the quickest Grand Slam wins of her career.",
      "source": "BBC Sport",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-03T02:21:11.000Z",
      "publisher_count": 1,
      "sources": [
        "BBC Sport"
      ]
    },
    {
      "statement": "Magdalena Fręch, representing Poland, lost her first-round match at the US Open to American Iva Jovic.",
      "source": "Przegląd Sportowy",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-02T23:31:08.000Z",
      "publisher_count": 1,
      "sources": [
        "Przegląd Sportowy"
      ]
    },
    {
      "statement": "Sabalenka admitted she had been dealing with several issues and was not training seriously before the tournament began.",
      "source": "BBC Sport",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-03T02:21:11.000Z",
      "publisher_count": 1,
      "sources": [
        "BBC Sport"
      ]
    },
    {
      "statement": "Sabalenka defeated world number 160 Iatcenko in a match lasting only 24 minutes, winning 24 winners to Iatcenko's 3.",
      "source": "BBC Sport",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-03T02:21:11.000Z",
      "publisher_count": 1,
      "sources": [
        "BBC Sport"
      ]
    },
    {
      "statement": "Iva Jovic advanced to the second round of the US Open following her victory.",
      "source": "Przegląd Sportowy",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-02T23:31:08.000Z",
      "publisher_count": 1,
      "sources": [
        "Przegląd Sportowy"
      ]
    },
    {
      "statement": "Elena Rybakina would rise to the summit of the rankings if she reaches the semi-finals, even if Sabalenka retains the title.",
      "source": "BBC Sport",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-03T02:21:11.000Z",
      "publisher_count": 1,
      "sources": [
        "BBC Sport"
      ]
    }
  ],
  "note": "A signature proves who filed this and that it has not changed since. It never makes a claim true."
}