{
  "story_id": "337b3368cab542a910ce3489744f7157",
  "desk": "drm3",
  "revision": 2,
  "published_at": "2026-09-02T12:34:28.000Z",
  "content_hash": "d9db27fce6c40754ca67c30c0160f6e14b6b66c49ac33d08a167f0ad14fa44e3",
  "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": "EBS Says 2027 National Exam Korean Section Difficulty Matches Last Year",
    "dek": "EBS states the 2027 Korean section difficulty is similar to last year's exam with a 51.1% linkage rate.",
    "prose": "The Educational Broadcasting System (EBS) announced on September 2, 2026, that the difficulty level of the Korean section of the 2027 National Exam September Mock Exam was similar to the previous year's exam. [^1]\n\nThe September 2026 mock exam for the Korean College Entrance Exam (CSAT) was analyzed to compare its difficulty with the previous year's exam. [^2]\n\nMajor test preparation companies in South Korea estimated that the 1st-grade cutoff for the September 2027 mock college entrance exam would range from 84 to 90 points for Korean language and 84 to 91 points for math. [^3]\n\nEBS stated that the exam materials linked to EBS National Exam linked materials were 50% or more. [^4]\n\nThe 2027 National Exam September Mock Exam reflected the achievement standards of the 2015 revised curriculum and core concepts from textbooks. [^5]\n\nEBS education experts evaluated the difficulty of the English section as appropriate. [^6]\n\nThe English section of the September 2026 mock exam was analyzed to be easier than the English section of last year's CSAT. [^7]\n\nThe Korean and Math sections of the September 2026 mock exam were assessed to have similar difficulty levels and discrimination power compared to last year's CSAT. [^8]",
    "cited": "[{\"statement\":\"The Educational Broadcasting System (EBS) announced on September 2, 2026, that the difficulty level of the Korean section of the 2027 National Exam September Mock Exam was similar to the previous year's exam.\",\"source\":\"동아일보\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-02T01:11:49.000Z\",\"publisher_count\":1,\"sources\":[\"동아일보\"]},{\"statement\":\"The September 2026 mock exam for the Korean College Entrance Exam (CSAT) was analyzed to compare its difficulty with the previous year's exam.\",\"source\":\"매일경제\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-02T08:52:04.000Z\",\"publisher_count\":1,\"sources\":[\"매일경제\"]},{\"statement\":\"Major test preparation companies in South Korea estimated that the 1st-grade cutoff for the September 2027 mock college entrance exam would range from 84 to 90 points for Korean language and 84 to 91 points for math.\",\"source\":\"동아일보\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-02T12:34:28.000Z\",\"publisher_count\":1,\"sources\":[\"동아일보\"]},{\"statement\":\"EBS stated that the exam materials linked to EBS National Exam linked materials were 50% or more.\",\"source\":\"동아일보\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-02T01:11:49.000Z\",\"publisher_count\":1,\"sources\":[\"동아일보\"]},{\"statement\":\"The 2027 National Exam September Mock Exam reflected the achievement standards of the 2015 revised curriculum and core concepts from textbooks.\",\"source\":\"동아일보\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-02T01:11:49.000Z\",\"publisher_count\":1,\"sources\":[\"동아일보\"]},{\"statement\":\"EBS education experts evaluated the difficulty of the English section as appropriate.\",\"source\":\"매일경제\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-02T08:52:04.000Z\",\"publisher_count\":1,\"sources\":[\"매일경제\"]},{\"statement\":\"The English section of the September 2026 mock exam was analyzed to be easier than the English section of last year's CSAT.\",\"source\":\"매일경제\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-02T08:52:04.000Z\",\"publisher_count\":1,\"sources\":[\"매일경제\"]},{\"statement\":\"The Korean and Math sections of the September 2026 mock exam were assessed to have similar difficulty levels and discrimination power compared to last year's CSAT.\",\"source\":\"매일경제\",\"instrument\":\"News\",\"claim_key\":null,\"published_at\":\"2026-09-02T08:52:04.000Z\",\"publisher_count\":1,\"sources\":[\"매일경제\"]}]",
    "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": "df11334989ce212958837b1153888473",
      "thread_id": "7728c7bfc64d097d471fbc64b02886f8",
      "thread_label": "EBS",
      "novelty": "UPDATE",
      "content_hash": "accbd8a9d325ca366720bcb3784a1261031da2984e7dbaba7f3ced1c0c965f4a",
      "last_published_at": "2026-09-02T12:34:28.000Z",
      "read_receipt": {
        "slice_hash": "8fe410958cd10217d13241bac8b241e2d6eb3302baab61763b0da291ac2553e2",
        "cursor_from": "eyJ0cyI6IjIwMjYtMDktMDJUMTI6MDc6NDUuMDAwMDAwWiIsImlkIjoiNzY2YWRiYjk1OTBjMDc4M2RhNGEwZGY0YTM5OTFhNGMiLCJ2IjoiMSJ9",
        "cursor_to": "eyJ0cyI6IjIwMjYtMDktMDJUMTI6NDA6MzYuMzIwMDAwWiIsImlkIjoiYjE4N2ZiMmNmNTAwZDFlMTk5ZWUzYmFjODc1NzlkYzEiLCJ2IjoiMSJ9",
        "view": "v_fountain_news",
        "view_version": "1",
        "row_count": 100,
        "window_days": 3,
        "bytes_scanned": 10113494,
        "credits": 8,
        "price_per_100_rows": 8,
        "sig": "qcC6qjjt0_1_Rx01ilxduTIRfh6qJxQYDCB7PI4l_uo7_kNqzJTFWjPDMFXDZbu3XgIzeV7xKZfVIIkxdsiJDw",
        "public_key": "bMUigy8O0jOnBxQ4Sc-5lwhIZ8LQVAhxMbR7qESVuUE",
        "signer_path": "lakehouse/data-extract/v1",
        "alg": "Ed25519",
        "signed": true
      }
    },
    "written_at": "2026-09-03T00:31:06.706Z"
  },
  "cited_facts": [
    {
      "statement": "The Educational Broadcasting System (EBS) announced on September 2, 2026, that the difficulty level of the Korean section of the 2027 National Exam September Mock Exam was similar to the previous year's exam.",
      "source": "동아일보",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-02T01:11:49.000Z",
      "publisher_count": 1,
      "sources": [
        "동아일보"
      ]
    },
    {
      "statement": "The September 2026 mock exam for the Korean College Entrance Exam (CSAT) was analyzed to compare its difficulty with the previous year's exam.",
      "source": "매일경제",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-02T08:52:04.000Z",
      "publisher_count": 1,
      "sources": [
        "매일경제"
      ]
    },
    {
      "statement": "Major test preparation companies in South Korea estimated that the 1st-grade cutoff for the September 2027 mock college entrance exam would range from 84 to 90 points for Korean language and 84 to 91 points for math.",
      "source": "동아일보",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-02T12:34:28.000Z",
      "publisher_count": 1,
      "sources": [
        "동아일보"
      ]
    },
    {
      "statement": "EBS stated that the exam materials linked to EBS National Exam linked materials were 50% or more.",
      "source": "동아일보",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-02T01:11:49.000Z",
      "publisher_count": 1,
      "sources": [
        "동아일보"
      ]
    },
    {
      "statement": "The 2027 National Exam September Mock Exam reflected the achievement standards of the 2015 revised curriculum and core concepts from textbooks.",
      "source": "동아일보",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-02T01:11:49.000Z",
      "publisher_count": 1,
      "sources": [
        "동아일보"
      ]
    },
    {
      "statement": "EBS education experts evaluated the difficulty of the English section as appropriate.",
      "source": "매일경제",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-02T08:52:04.000Z",
      "publisher_count": 1,
      "sources": [
        "매일경제"
      ]
    },
    {
      "statement": "The English section of the September 2026 mock exam was analyzed to be easier than the English section of last year's CSAT.",
      "source": "매일경제",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-02T08:52:04.000Z",
      "publisher_count": 1,
      "sources": [
        "매일경제"
      ]
    },
    {
      "statement": "The Korean and Math sections of the September 2026 mock exam were assessed to have similar difficulty levels and discrimination power compared to last year's CSAT.",
      "source": "매일경제",
      "instrument": "News",
      "claim_key": null,
      "published_at": "2026-09-02T08:52:04.000Z",
      "publisher_count": 1,
      "sources": [
        "매일경제"
      ]
    }
  ],
  "note": "A signature proves who filed this and that it has not changed since. It never makes a claim true."
}