```json
{
  "batch_id": "A5b-A-B1",
  "cases": [
    {
      "id": "M001",
      "blocks": [
        {
          "answer_block": "ANS-A-1",
          "source_present": true,
          "ledger_correction": "recorded as corrected",
          "matched_entry_ids": ["1.5", "3.1", "6.7"],
          "answer_quotes": [
            "was withdrawn in 2024 after replication found inconsistencies and potential look-ahead leakage",
            "arXiv:2407.17866 WITHDRAWN 2024-07"
          ],
          "ledger_quotes": [
            {"entry_id": "1.5", "line": 20, "quote": "first of two instances of a cause added beyond the official withdrawal notice"},
            {"entry_id": "3.1", "line": 118, "quote": "neither notice states a cause; no cause is asserted; the withdrawal date is not asserted"},
            {"entry_id": "6.7", "line": 170, "quote": "The withdrawal date of arXiv:2407.17866 is stated nowhere in the manuscript, because the fetched notices carry no date"}
          ],
          "reason": "This block adds both a withdrawal cause (potential look-ahead leakage) and a withdrawal date, and entries 1.5, 3.1 and 6.7 record each as wrong against the fetched notices."
        },
        {
          "answer_block": "ANS-A-2",
          "source_present": true,
          "ledger_correction": "ambiguous",
          "matched_entry_ids": ["3.1"],
          "answer_quotes": [
            "Discovered code inconsistencies, data leakage, and replication failures led to withdrawal"
          ],
          "ledger_quotes": [
            {"entry_id": "3.1", "line": 118, "quote": "neither notice states a cause; no cause is asserted"}
          ],
          "reason": "Agreed entry 3.1 concerns this source and records that neither notice states a cause, but the ledger locates its cause-addition corrections in answer A (1.5) and in a Source B answer (2.18, potential only), so whether 3.1 is recorded against this block's data-leakage wording cannot be determined."
        },
        {
          "answer_block": "ANS-A-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "arXiv:2407.17866, the best exhibit for LLM-based outside superiority, is withdrawn per this brief; its findings carry zero weight"
          ],
          "ledger_quotes": [],
          "reason": "This block asserts only the withdrawal and zero evidential weight, which entry 3.1 verifies rather than corrects, and it adds no cause or date."
        },
        {
          "answer_block": "ANS-A-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Withdrawn after replication inconsistencies",
            "the flagship paper (arXiv:2407.17866) is withdrawn"
          ],
          "ledger_quotes": [],
          "reason": "The only detail added here tracks the verified notice's account of inconsistencies found while replicating, and the agreed cause and date corrections (1.5, 6.7) are recorded against answer A, not this block."
        },
        {
          "answer_block": "ANS-A-5",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "has been withdrawn after replication inconsistencies and cannot be used as evidence"
          ],
          "ledger_quotes": [],
          "reason": "This block's wording follows the verified notice on inconsistencies identified during replication and asserts no withdrawal date, so no agreed entry records a correction against it."
        }
      ]
    },
    {
      "id": "M002",
      "blocks": [
        {
          "answer_block": "ANS-A-1",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Lopez-Lira & Tang, Can ChatGPT Forecast Stock Price Movements? SSRN 2023-04-15",
            "Sarkar & Vafa (2024) show Lopez-Lira & Tang (2023) return-predictability disappears after controlling for look-ahead bias"
          ],
          "ledger_quotes": [],
          "reason": "The added details are the SSRN identifier, the April 2023 date and the look-ahead critique, and agreed entries 1.7 and 3.3 correct only the Sarkar & Vafa arXiv identifier, which is a different source."
        },
        {
          "answer_block": "ANS-A-2",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "This block cites no Lopez-Lira and Tang work anywhere in its text or evidence table, so there is no assertion to match."
        },
        {
          "answer_block": "ANS-A-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Lopez-Lira & Tang (2023), arXiv:2304.07619"
          ],
          "ledger_quotes": [],
          "reason": "No agreed entry addresses this block's arXiv identifier, sample description or reported sentiment result for this source."
        },
        {
          "answer_block": "ANS-A-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Lopez-Lira & Tang, arXiv:2304.07619, 2023, working paper"
          ],
          "ledger_quotes": [],
          "reason": "The block's added details are the identifier, working-paper status and next-day return finding, none of which any agreed entry records as wrong."
        },
        {
          "answer_block": "ANS-A-5",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Lopez-Lira and Tang (2023), a working paper, finds that ChatGPT-based sentiment from public news headlines has predictive value for stock returns"
          ],
          "ledger_quotes": [],
          "reason": "No agreed entry concerns this source's working-paper status or its reported predictive result."
        }
      ]
    },
    {
      "id": "M003",
      "blocks": [
        {
          "answer_block": "ANS-A-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Clement & Tse (2005), Journal of Accounting and Economics"
          ],
          "ledger_quotes": [],
          "reason": "The block asserts a journal placement and an experience-and-resources finding for this source, and no ledger entry of any status names it."
        }
      ]
    },
    {
      "id": "M004",
      "blocks": [
        {
          "answer_block": "ANS-A-1",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "This block cites Hong and Kubik and Bradshaw on analyst bias but never McNichols and O'Brien, so there is no assertion to match."
        },
        {
          "answer_block": "ANS-A-2",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "The source appears nowhere in this block's text or evidence table."
        },
        {
          "answer_block": "ANS-A-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "McNichols & O'Brien (1997), Journal of Accounting and Economics"
          ],
          "ledger_quotes": [],
          "reason": "The block asserts the journal and a self-selection optimism finding, and no ledger entry names this source."
        },
        {
          "answer_block": "ANS-A-4",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "This block cites Imhoff and Pare and Kasznik on forecast accuracy but not McNichols and O'Brien."
        },
        {
          "answer_block": "ANS-A-5",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "McNichols and O’Brien (1997) show analysts avoid or drop coverage of firms where they lack advantage"
          ],
          "ledger_quotes": [],
          "reason": "The coverage-dropping assertion attributed to this source is addressed by no ledger entry."
        }
      ]
    },
    {
      "id": "M005",
      "blocks": [
        {
          "answer_block": "ANS-A-1",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Hutton et al. (2012) show management forecasts, conditional on issuance, are more accurate than consensus analyst forecasts"
          ],
          "ledger_quotes": [],
          "reason": "Entry 3.4 enumerates the file variants it corrects as Source A lines 165/175, 1379 and two planning lines, none of which is this block's conditional description."
        },
        {
          "answer_block": "ANS-A-2",
          "source_present": true,
          "ledger_correction": "recorded as corrected",
          "matched_entry_ids": ["1.8", "3.4"],
          "answer_quotes": [
            "management forecasts systematically dominate analyst forecasts in accuracy due to non-public internal data (Hutton, Lee, & Matsumoto, 2012)",
            "Management earnings forecasts consistently outperform analyst forecasts across horizons due to proprietary internal information."
          ],
          "ledger_quotes": [
            {"entry_id": "1.8", "line": 29, "quote": "Source A, completed answer B, lines 165 and 175. Identity unknown. Work: author variant in the Hutton example"},
            {"entry_id": "3.4", "line": 133, "quote": "the file variants it corrects are at Source A lines 165/175 (authors), 1379 (issue)"}
          ],
          "reason": "The block names the third author as Matsumoto and reports unconditional management dominance, and entries 1.8 and 3.4 record both as wrong against the verified authors Hutton, Lee and Shu and the paper's conditional finding."
        },
        {
          "answer_block": "ANS-A-3",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "This block discusses guidance anchoring without citing Hutton, Lee and Shu, so there is no assertion to match."
        },
        {
          "answer_block": "ANS-A-4",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "The source appears nowhere in this block, which uses Imhoff and Pare for the management-versus-analyst comparison."
        },
        {
          "answer_block": "ANS-A-5",
          "source_present": true,
          "ledger_correction": "recorded as corrected",
          "matched_entry_ids": ["1.9", "3.4", "6.9"],
          "answer_quotes": [
            "Hutton, Lee & Shu (2012), Journal of Accounting Research 50(2)"
          ],
          "ledger_quotes": [
            {"entry_id": "1.9", "line": 32, "quote": "Source A, completed answer E, table line 1379 (wrong issue number)"},
            {"entry_id": "3.4", "line": 131, "quote": "Journal of Accounting Research, 50(5), 2012, pp. 1217–1244"},
            {"entry_id": "6.9", "line": 172, "quote": "noting the wrong issue number in the same answer's table"}
          ],
          "reason": "The block's table gives the issue as 50(2), which entries 1.9, 3.4 and 6.9 record as wrong against the verified 50(5), while the block's prose description of the finding is left standing as accurate."
        }
      ]
    },
    {
      "id": "M006",
      "blocks": [
        {
          "answer_block": "ANS-A-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Brown, Call, Clement, Sharp (2015), Journal of Accounting Research"
          ],
          "ledger_quotes": [],
          "reason": "The asserted journal and the private-management-contact finding are addressed by no ledger entry."
        }
      ]
    },
    {
      "id": "M007",
      "blocks": [
        {
          "answer_block": "ANS-A-4",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "The block cites only the separate Cao, Jiang, Yang and Zhang earnings-call paper, and the title named in this case appears nowhere in it, so there is no assertion to match."
        }
      ]
    },
    {
      "id": "M008",
      "blocks": [
        {
          "answer_block": "ANS-A-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Lakonishok & Lee (2001), Review of Financial Studies"
          ],
          "ledger_quotes": [],
          "reason": "The asserted journal, sample window and modest-informativeness finding are named in no ledger entry."
        }
      ]
    },
    {
      "id": "M009",
      "blocks": [
        {
          "answer_block": "ANS-A-1",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Navigating the Jagged Technological Frontier, Harvard WP 2023-09",
            "RCT 758 consultants, BCG"
          ],
          "ledger_quotes": [],
          "reason": "No agreed entry corrects this block's consultant count or effect sizes; the only ledger mention of this source is the unused-corrections note at 6.6 about publication in Organization Science, which is context."
        },
        {
          "answer_block": "ANS-A-2",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Randomized Controlled Trial of 758 Boston Consulting Group consultants using GPT-4",
            "decreased accuracy by 19% on tasks outside its boundary"
          ],
          "ledger_quotes": [],
          "reason": "The sample size and the 19 per cent outside-frontier figure asserted here are corrected by no agreed entry, 6.6 being context only."
        },
        {
          "answer_block": "ANS-A-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "HBS WP 24-013",
            "758 consultants, RCT"
          ],
          "ledger_quotes": [],
          "reason": "The working-paper number and consultant count asserted here are addressed by no agreed entry."
        },
        {
          "answer_block": "ANS-A-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "758 consultants",
            "−19pp correctness on frontier-edge tasks"
          ],
          "ledger_quotes": [],
          "reason": "No agreed entry records a correction against this block's consultant count or the minus nineteen point figure; the Organization Science point sits in the unused list at 6.6."
        },
        {
          "answer_block": "ANS-A-5",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "This block cites no Dell'Acqua work in its text or evidence table, so there is no assertion to match."
        }
      ]
    },
    {
      "id": "M010",
      "blocks": [
        {
          "answer_block": "ANS-A-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Seyhun (1986), Journal of Financial Economics",
            "US insider trades, 1975–1981"
          ],
          "ledger_quotes": [],
          "reason": "The asserted sample window and abnormal-returns finding for this source are named in no ledger entry."
        }
      ]
    },
    {
      "id": "M011",
      "blocks": [
        {
          "answer_block": "ANS-A-1",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Choi et al., BloombergGPT, arXiv:2303.17564 2023-03-30"
          ],
          "ledger_quotes": [],
          "reason": "The wrong author attribution here is recorded only in the held, unused list at 6.6, which is context rather than an agreed correction entry."
        },
        {
          "answer_block": "ANS-A-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Wu et al. (2023), arXiv:2303.17564 (BloombergGPT)"
          ],
          "ledger_quotes": [],
          "reason": "The authors and identifier asserted here match the ledger's own reference to the correct identifier, and no agreed entry corrects the block's capability claim."
        },
        {
          "answer_block": "ANS-A-5",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Wu et al. (2023) show that a finance-specific LLM, BloombergGPT, performs well on finance NLP benchmarks."
          ],
          "ledger_quotes": [],
          "reason": "No agreed entry records a correction against this block's benchmark-performance assertion for BloombergGPT."
        }
      ]
    },
    {
      "id": "M012",
      "blocks": [
        {
          "answer_block": "ANS-A-1",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "SEC Reg FD and SOX 302 require disclosure controls but permit delayed disclosure for sound reasons"
          ],
          "ledger_quotes": [],
          "reason": "The block refers to the SOX 302 certification requirement rather than to filings containing certifications, and the Section 302 adopting release appears only in the unused-corrections note at 6.6, which is context."
        },
        {
          "answer_block": "ANS-A-2",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "No SOX certification material appears anywhere in this block, so there is no assertion to match."
        },
        {
          "answer_block": "ANS-A-3",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "This block makes no reference to SOX certifications or the filings containing them."
        },
        {
          "answer_block": "ANS-A-4",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "The block's regulatory and case material contains no SOX certification reference, so there is no assertion to match."
        },
        {
          "answer_block": "ANS-A-5",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "No SOX certification source appears in this block."
        }
      ]
    },
    {
      "id": "M013",
      "blocks": [
        {
          "answer_block": "ANS-A-1",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "This block cites only the withdrawn arXiv financial-statement paper by these authors, not the fraud-detection working paper, so there is no assertion to match."
        },
        {
          "answer_block": "ANS-A-2",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "The fraud-detection working paper appears nowhere in this block, whose only Kim et al. reference is the withdrawn paper."
        },
        {
          "answer_block": "ANS-A-3",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "This block's single Kim, Muhn and Nikolaev row is the withdrawn arXiv paper, so the fraud-detection source is absent."
        },
        {
          "answer_block": "ANS-A-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "every fraud-detection claim (Kim/Muhn/Nikolaev SSRN 2024; Gerken & Moers SSRN 2024) is a small-sample working paper",
            "GRUACC, ~77 firm-years"
          ],
          "ledger_quotes": [],
          "reason": "The sample description and contamination-dispute characterisation asserted for this working paper are addressed by no ledger entry."
        },
        {
          "answer_block": "ANS-A-5",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "Only the withdrawn arXiv paper by these authors appears in this block, so the fraud-detection source is absent."
        }
      ]
    },
    {
      "id": "M014",
      "blocks": [
        {
          "answer_block": "ANS-A-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "GPT-4 analysis of earnings-call transcripts contained drift-predictive signal that human analysts' revisions did not fully impound"
          ],
          "ledger_quotes": [],
          "reason": "The drift-signal finding attributed to this working paper is corrected by no ledger entry."
        }
      ]
    },
    {
      "id": "M015",
      "blocks": [
        {
          "answer_block": "ANS-A-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Gerken & Moers SSRN 2024"
          ],
          "ledger_quotes": [],
          "reason": "No ledger entry names this source or the small-sample manipulation-flagging claim made about it."
        }
      ]
    },
    {
      "id": "M016",
      "blocks": [
        {
          "answer_block": "ANS-A-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Scion letters (2005); Zuckerman (2010)"
          ],
          "ledger_quotes": [],
          "reason": "The source enters this block only through the Scion letters citation used as the housing-short precedent, and no ledger entry addresses it."
        }
      ]
    },
    {
      "id": "M017",
      "blocks": [
        {
          "answer_block": "ANS-A-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "arXiv:2507.09089: large speed gains, quality null/negative on analysis, homogenised outputs",
            "~3,000 professionals"
          ],
          "ledger_quotes": [],
          "reason": "The identifier conflation and participant count in this block are recorded only in the held, unused list at 6.6, which is context rather than an agreed correction entry."
        }
      ]
    },
    {
      "id": "M018",
      "blocks": [
        {
          "answer_block": "ANS-A-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Imhoff & Pare 1982, JAR 20(2): 429–439"
          ],
          "ledger_quotes": [],
          "reason": "The volume, issue and page range asserted for this source are addressed by no ledger entry."
        }
      ]
    },
    {
      "id": "M019",
      "blocks": [
        {
          "answer_block": "ANS-A-1",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "Rogers & Stocken (2005) show management forecasts are systematically optimistic."
          ],
          "ledger_quotes": [],
          "reason": "The optimistic-bias finding, the DOI and the forecast count asserted for this source are named in no ledger entry."
        }
      ]
    },
    {
      "id": "M020",
      "blocks": [
        {
          "answer_block": "ANS-A-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [
            "misreporting often begins as genuine optimism (Schrand & Zechman 2012)"
          ],
          "ledger_quotes": [],
          "reason": "The genuine-optimism characterisation attributed to this source is corrected by no ledger entry."
        }
      ]
    }
  ]
}
```