{ "story_id": "71231efa1472713f6911846e6ec221f2", "desk": "drm3", "revision": 1, "published_at": "2026-09-01T09:50:38.000Z", "content_hash": "cc4c14a58b5b78ef5b1053bd77fba3d2966f6a9ed231e043df6235fb6433a559", "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 Defeats Osorio in Second Set to Advance at US Open", "dek": "Aryna Sabalenka overcame Camila Osorio in a tight second set to win her US Open opener.", "prose": "Aryna Sabalenka, the defending champion, defeated Camila Osorio in the first round of the US Open. [^1]\n\nSabalenka advanced to the second round of the US Open 2026. [^2]\n\nSabalenka won the second set 6-4 after reaching a 4-4 tie and taking control in the later games. [^3]\n\nThe first set between Sabalenka and Osorio ended with a score of 6-4 after both players traded breaks. [^4]\n\nSabalenka broke Osorio's serve five times during the match, including three times in the first set. [^5]\n\nSabalenka, ranked number one in the world, recorded her fourteenth consecutive victory in the New York tournament. [^6]\n\nSabalenka is seeking her fifth Grand Slam title after winning the Australian Open in 2023 and 2024, and the US Open in 2024 and 2025. [^7]\n\nSabalenka, the defending champion, stated that she played more aggressively and forced Osorio to retreat during the match. [^8]\n\nCamila Osorio, ranked number 59, had a first-serve effectiveness of 57% and won only 25% of points on her second serve. [^9]\n\nThe 2026 US Open prize purse is a record 108 million dollars, with 5.5 million dollars awarded to individual champions. [^10]", "cited": "[{\"statement\":\"Aryna Sabalenka, the defending champion, defeated Camila Osorio in the first round of the US Open.\",\"source\":\"Przegląd Sportowy\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T17:08:39.000Z\",\"publisher_count\":1,\"sources\":[\"Przegląd Sportowy\"]},{\"statement\":\"Sabalenka advanced to the second round of the US Open 2026.\",\"source\":\"Przegląd Sportowy\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T17:08:39.000Z\",\"publisher_count\":1,\"sources\":[\"Przegląd Sportowy\"]},{\"statement\":\"Sabalenka won the second set 6-4 after reaching a 4-4 tie and taking control in the later games.\",\"source\":\"Przegląd Sportowy\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T17:08:39.000Z\",\"publisher_count\":1,\"sources\":[\"Przegląd Sportowy\"]},{\"statement\":\"The first set between Sabalenka and Osorio ended with a score of 6-4 after both players traded breaks.\",\"source\":\"Przegląd Sportowy\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-08-31T17:08:39.000Z\",\"publisher_count\":1,\"sources\":[\"Przegląd Sportowy\"]},{\"statement\":\"Sabalenka broke Osorio's serve five times during the match, including three times in the first set.\",\"source\":\"Diario De México\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-01T05:12:32.000Z\",\"publisher_count\":1,\"sources\":[\"Diario De México\"]},{\"statement\":\"Sabalenka, ranked number one in the world, recorded her fourteenth consecutive victory in the New York tournament.\",\"source\":\"Diario De México\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-01T05:12:32.000Z\",\"publisher_count\":1,\"sources\":[\"Diario De México\"]},{\"statement\":\"Sabalenka is seeking her fifth Grand Slam title after winning the Australian Open in 2023 and 2024, and the US Open in 2024 and 2025.\",\"source\":\"El Economista\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-01T03:42:01.000Z\",\"publisher_count\":1,\"sources\":[\"El Economista\"]},{\"statement\":\"Sabalenka, the defending champion, stated that she played more aggressively and forced Osorio to retreat during the match.\",\"source\":\"El Economista\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-01T03:42:01.000Z\",\"publisher_count\":1,\"sources\":[\"El Economista\"]},{\"statement\":\"Camila Osorio, ranked number 59, had a first-serve effectiveness of 57% and won only 25% of points on her second serve.\",\"source\":\"Diario De México\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-01T05:12:32.000Z\",\"publisher_count\":1,\"sources\":[\"Diario De México\"]},{\"statement\":\"The 2026 US Open prize purse is a record 108 million dollars, with 5.5 million dollars awarded to individual champions.\",\"source\":\"El Economista\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-01T03:42:01.000Z\",\"publisher_count\":1,\"sources\":[\"El Economista\"]}]", "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": "9a19d31ca957a435bf90a76d5544a2d1", "thread_id": "475e5326a2e49e37ae7d8c84fc3c6984", "thread_label": "Polina Iatcenko", "novelty": "UPDATE", "content_hash": "19debcd4f5bac66c0e325092128d238cbf848046d8f3282e61c8ab871dec0797", "last_published_at": "2026-09-01T09:50:38.000Z", "read_receipt": { "slice_hash": "ef980f5c5dd3f057ab21b12def548e1429e6bcfb0b3577b4bb57397327eac5f3", "cursor_from": "eyJ0cyI6IjIwMjYtMDktMDFUMDk6MTA6NTEuMDUxWiIsImlkIjoiIiwidiI6IjEifQ", "cursor_to": "eyJ0cyI6IjIwMjYtMDktMDFUMTA6MjY6MzUuMDAwMDAwWiIsImlkIjoiNzgyZTZlZjk4ZDcwMDhkYjZkZGI4M2ZhZTUyNDRkMzAiLCJ2IjoiMSJ9", "view": "v_fountain_news", "view_version": "1", "row_count": 100, "window_days": 3, "bytes_scanned": 12017721, "credits": 8, "price_per_100_rows": 8, "sig": "bXa46t0bnPuT7Ig6gtoV-06-j1VW8d8mBiIXWsV-Tw9xC_pGs1OWWr8FID7nv6hhdvhLHUtvhAYkC2ca7fyOBg", "public_key": "bMUigy8O0jOnBxQ4Sc-5lwhIZ8LQVAhxMbR7qESVuUE", "signer_path": "lakehouse/data-extract/v1", "alg": "Ed25519", "signed": true } }, "written_at": "2026-09-02T21:11:02.110Z" }, "cited_facts": [ { "statement": "Aryna Sabalenka, the defending champion, defeated Camila Osorio in the first round of the US Open.", "source": "Przegląd Sportowy", "instrument": "News", "claim_key": null, "published_at": "2026-08-31T17:08:39.000Z", "publisher_count": 1, "sources": [ "Przegląd Sportowy" ] }, { "statement": "Sabalenka advanced to the second round of the US Open 2026.", "source": "Przegląd Sportowy", "instrument": "News", "claim_key": null, "published_at": "2026-08-31T17:08:39.000Z", "publisher_count": 1, "sources": [ "Przegląd Sportowy" ] }, { "statement": "Sabalenka won the second set 6-4 after reaching a 4-4 tie and taking control in the later games.", "source": "Przegląd Sportowy", "instrument": "News", "claim_key": null, "published_at": "2026-08-31T17:08:39.000Z", "publisher_count": 1, "sources": [ "Przegląd Sportowy" ] }, { "statement": "The first set between Sabalenka and Osorio ended with a score of 6-4 after both players traded breaks.", "source": "Przegląd Sportowy", "instrument": "News", "claim_key": null, "published_at": "2026-08-31T17:08:39.000Z", "publisher_count": 1, "sources": [ "Przegląd Sportowy" ] }, { "statement": "Sabalenka broke Osorio's serve five times during the match, including three times in the first set.", "source": "Diario De México", "instrument": "News", "claim_key": null, "published_at": "2026-09-01T05:12:32.000Z", "publisher_count": 1, "sources": [ "Diario De México" ] }, { "statement": "Sabalenka, ranked number one in the world, recorded her fourteenth consecutive victory in the New York tournament.", "source": "Diario De México", "instrument": "News", "claim_key": null, "published_at": "2026-09-01T05:12:32.000Z", "publisher_count": 1, "sources": [ "Diario De México" ] }, { "statement": "Sabalenka is seeking her fifth Grand Slam title after winning the Australian Open in 2023 and 2024, and the US Open in 2024 and 2025.", "source": "El Economista", "instrument": "News", "claim_key": null, "published_at": "2026-09-01T03:42:01.000Z", "publisher_count": 1, "sources": [ "El Economista" ] }, { "statement": "Sabalenka, the defending champion, stated that she played more aggressively and forced Osorio to retreat during the match.", "source": "El Economista", "instrument": "News", "claim_key": null, "published_at": "2026-09-01T03:42:01.000Z", "publisher_count": 1, "sources": [ "El Economista" ] }, { "statement": "Camila Osorio, ranked number 59, had a first-serve effectiveness of 57% and won only 25% of points on her second serve.", "source": "Diario De México", "instrument": "News", "claim_key": null, "published_at": "2026-09-01T05:12:32.000Z", "publisher_count": 1, "sources": [ "Diario De México" ] }, { "statement": "The 2026 US Open prize purse is a record 108 million dollars, with 5.5 million dollars awarded to individual champions.", "source": "El Economista", "instrument": "News", "claim_key": null, "published_at": "2026-09-01T03:42:01.000Z", "publisher_count": 1, "sources": [ "El Economista" ] } ], "note": "A signature proves who filed this and that it has not changed since. It never makes a claim true." }