```json
{
  "batch_id": "A5b-B-B1",
  "cases": [
    {
      "id": "M042",
      "blocks": [
        {
          "answer_block": "ANS-B-1",
          "source_present": true,
          "ledger_correction": "recorded as corrected",
          "matched_entry_ids": ["3.1", "6.7"],
          "answer_quotes": ["withdrawn claims [Kim et al. arXiv:2407.17866 withdrawn 2024]"],
          "ledger_quotes": [
            {"entry_id": "3.1", "line": 118, "quote": "the withdrawal date is not asserted (the fetched notices carry none)"},
            {"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": "The block dates the withdrawal to 2024, and the agreed entries record that the fetched notices carry no withdrawal date and that the \"withdrawn in 2024\" dating is an unrelied-upon model claim."
        },
        {
          "answer_block": "ANS-B-2",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["The withdrawn paper Financial Statement Analysis with Large Language Models (arXiv:2407.17866) is not usable as evidence."],
          "ledger_quotes": [],
          "reason": "The block asserts only that the paper is withdrawn and unusable as evidence, which entry 3.1 confirms rather than corrects, and no agreed entry records a correction against it."
        },
        {
          "answer_block": "ANS-B-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["the one prominent academic claim that LLMs extract superior signals from financial statements (arXiv:2407.17866) has been withdrawn"],
          "ledger_quotes": [],
          "reason": "The block asserts the fact of withdrawal without a date or cause, and no agreed entry records a correction against that assertion."
        },
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "recorded as corrected",
          "matched_entry_ids": ["3.1"],
          "answer_quotes": ["which is plausibly what sank arXiv:2407.17866"],
          "ledger_quotes": [
            {"entry_id": "3.1", "line": 118, "quote": "neither notice states a cause; no cause is asserted"}
          ],
          "reason": "The block attributes the withdrawal to training-corpus contamination, and agreed entry 3.1 records from the fetched notices that no cause is stated, with potential-only entry 2.18 logging this same added-cause instance."
        },
        {
          "answer_block": "ANS-B-5",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "This block concerns autonomous software replication and never cites arXiv:2407.17866 or the Kim et al. paper under any alias, so there is no assertion to match."
        }
      ]
    },
    {
      "id": "M043",
      "blocks": [
        {
          "answer_block": "ANS-B-1",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["[Sarkar & Vafa 2024-11-14 replication of Lopez-Lira & Tang 2023]"],
          "ledger_quotes": [],
          "reason": "The assertion is that a 2024 replication of Lopez-Lira & Tang found look-ahead contamination, and the agreed entries 1.7 and 3.3 correct only the arXiv identifier assigned to Sarkar & Vafa in Source A, which this block does not state."
        },
        {
          "answer_block": "ANS-B-2",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Lopez-Lira and Tang (2023), a working paper, finds ChatGPT-derived signals from news headlines predict returns"],
          "ledger_quotes": [],
          "reason": "No agreed entry records a correction against the description of the Lopez-Lira & Tang working paper's headline-based return result."
        }
      ]
    },
    {
      "id": "M044",
      "blocks": [
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["(Kleinberg & Raghavan, PNAS 118(22), 2021)"],
          "ledger_quotes": [],
          "reason": "The block asserts a PNAS 118(22), 2021 venue for the monoculture paper, and the ledger contains no entry, agreed or potential, concerning Kleinberg & Raghavan."
        }
      ]
    },
    {
      "id": "M045",
      "blocks": [
        {
          "answer_block": "ANS-B-2",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Bao, Ke, Li, Yu, and Zhang (2020) show machine learning improves fraud prediction from public filings."],
          "ledger_quotes": [],
          "reason": "No ledger entry concerns Bao et al. (2020) or its machine-learning fraud-prediction claim."
        }
      ]
    },
    {
      "id": "M046",
      "blocks": [
        {
          "answer_block": "ANS-B-2",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Structured forensic software—M-score, F-score, ML fraud predictors—can screen public accounting data"],
          "ledger_quotes": [],
          "reason": "The assertion that M-score, F-score and ML fraud predictors work mostly on structured variables is only catalogued as context in quotation entry 2.22, which is not a correction entry."
        },
        {
          "answer_block": "ANS-B-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Existing screens (Beneish M-score 1999; Dechow F-score 2011) produce statistical flags with high false-positive rates and no narrative."],
          "ledger_quotes": [],
          "reason": "No agreed entry records a correction against the claimed false-positive and no-narrative characterisation of existing fraud screens."
        },
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Beneish's M-score (1999), Altman's Z (1968), Dechow et al.'s F-score (JAR 2011), FRISK, accrual screens"],
          "ledger_quotes": [],
          "reason": "The screen-comparator list is recorded only as context in quotation entry 2.22, and no agreed entry corrects it."
        }
      ]
    },
    {
      "id": "M047",
      "blocks": [
        {
          "answer_block": "ANS-B-2",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Desai, Hogan, and Wilkins (2006) document increased management turnover following restatements."],
          "ledger_quotes": [],
          "reason": "No ledger entry concerns the Desai, Hogan and Wilkins turnover finding as asserted here."
        },
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["post-restatement executive turnover elevated (Desai, Hogan & Wilkins, TAR 81(1), 2006)"],
          "ledger_quotes": [],
          "reason": "The block asserts a TAR 81(1), 2006 citation with elevated post-restatement turnover, and the ledger records no correction against either the citation fields or the finding."
        }
      ]
    },
    {
      "id": "M048",
      "blocks": [
        {
          "answer_block": "ANS-B-2",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Beneish (1999) shows an M-score can flag earnings manipulation from public accounting data."],
          "ledger_quotes": [],
          "reason": "No agreed entry records a correction against the Beneish (1999) M-score attribution in this block."
        },
        {
          "answer_block": "ANS-B-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Existing screens (Beneish M-score 1999; Dechow F-score 2011)"],
          "ledger_quotes": [],
          "reason": "The Beneish 1999 dating is recorded only as context in quotation entry 2.22, and no correction entry addresses it."
        },
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Beneish's M-score (1999)"],
          "ledger_quotes": [],
          "reason": "No agreed entry records a correction against the Beneish M-score citation or its characterisation as a low-precision pre-specified screen."
        }
      ]
    },
    {
      "id": "M049",
      "blocks": [
        {
          "answer_block": "ANS-B-2",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Karpoff, Lee, and Martin (2008) find that firms and managers bear substantial reputational and financial penalties for financial misrepresentation."],
          "ledger_quotes": [],
          "reason": "No ledger entry concerns the Karpoff, Lee and Martin penalty finding as asserted here."
        },
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["manager and firm penalty magnitudes (Karpoff, Lee & Martin, JFE 88(1), 2008)"],
          "ledger_quotes": [],
          "reason": "The block asserts a JFE 88(1) issue number, and although this differs from the issue in the case aliases, the ledger records no correction entry against it and absence of a correction establishes nothing."
        }
      ]
    },
    {
      "id": "M050",
      "blocks": [
        {
          "answer_block": "ANS-B-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["agentic multi-step research tools demonstrated publicly since 2024–2025"],
          "ledger_quotes": [],
          "reason": "The block asserts public demonstration of agentic multi-step research tools since 2024–2025 without naming vendors, and no ledger entry records a correction against that claim."
        }
      ]
    },
    {
      "id": "M051",
      "blocks": [
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Most fraud is never detected (Dyck, Morse & Zingales, \"How Pervasive Is Corporate Fraud?,\" NBER WP 22266, 2016, rev.)"],
          "ledger_quotes": [],
          "reason": "No ledger entry concerns the pervasiveness paper or the assertion that most fraud is never detected."
        }
      ]
    },
    {
      "id": "M052",
      "blocks": [
        {
          "answer_block": "ANS-B-1",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Muddy Waters on Luckin Coffee, FT on Wirecard (2019), both from public mosaic"],
          "ledger_quotes": [],
          "reason": "The block asserts only that the Muddy Waters Luckin work proceeded from a public mosaic, and no agreed entry records a correction against that."
        },
        {
          "answer_block": "ANS-B-3",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Muddy Waters' Luckin dossier (January 2020) rested on 11,000+ hours of store traffic video and 25,000 receipts"],
          "ledger_quotes": [],
          "reason": "The field-work figures are logged in quotation entry 2.8 as the answer's own description rather than as verified case history, and no correction entry addresses them."
        },
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Luckin (report 31 Jan 2020; disclosure of fabrication Apr 2020; Nasdaq delisting Jun 2020; SEC settlement Dec 2020)"],
          "ledger_quotes": [],
          "reason": "The Luckin report date and consequence sequence attract no correction entry; the ledger records only that Luckin is characterised through the answers' own descriptions."
        }
      ]
    },
    {
      "id": "M053",
      "blocks": [
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Detection pays (Dyck, Morse & Zingales, JF 65(6), 2010)"],
          "ledger_quotes": [],
          "reason": "No ledger entry concerns the 2010 whistleblower study, its JF 65(6) citation, or the detector-mix baseline drawn from it."
        }
      ]
    },
    {
      "id": "M054",
      "blocks": [
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Sino-Forest (Muddy Waters report 2 Jun 2011; CCAA 2012)"],
          "ledger_quotes": [],
          "reason": "No ledger entry records a correction against the Sino-Forest report date or the 2012 CCAA filing as asserted."
        }
      ]
    },
    {
      "id": "M055",
      "blocks": [
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Mozilo (≈$67.5m SEC settlement, 2009)"],
          "ledger_quotes": [],
          "reason": "No ledger entry concerns the Mozilo settlement amount or its 2009 dating."
        }
      ]
    },
    {
      "id": "M056",
      "blocks": [
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["shorts are sometimes wrong and targets recover (e.g., Citron's Oct 2017 Shopify attack)"],
          "ledger_quotes": [],
          "reason": "No ledger entry records a correction against the use of Citron as an example of a short seller being wrong."
        }
      ]
    },
    {
      "id": "M057",
      "blocks": [
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Citron's Oct 2017 Shopify attack"],
          "ledger_quotes": [],
          "reason": "The block dates the Shopify attack to October 2017 and asserts target recovery, and no correction entry addresses either detail."
        }
      ]
    },
    {
      "id": "M058",
      "blocks": [
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["SEC has run analytics-driven enforcement screening (its \"EPS initiative,\" disclosed in enforcement speeches ~2019–21)"],
          "ledger_quotes": [],
          "reason": "No ledger entry concerns the SEC's data-analytics enforcement screening as asserted in this block."
        }
      ]
    },
    {
      "id": "M059",
      "blocks": [
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["Holmes (135 months, Nov 2022)"],
          "ledger_quotes": [],
          "reason": "No ledger entry records a correction against the asserted sentence length or the November 2022 sentencing date."
        }
      ]
    },
    {
      "id": "M060",
      "blocks": [
        {
          "answer_block": "ANS-B-1",
          "source_present": false,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": [],
          "ledger_quotes": [],
          "reason": "The block's only FT Wirecard reference is dated 2019, so McCrum's January 2015 first piece is not asserted here and there is no detail to match."
        },
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["(McCrum, Money Men, 2022; FT, 2015–20)"],
          "ledger_quotes": [],
          "reason": "The block cites McCrum's book and FT coverage as a 2015–20 range without naming the January 2015 article, and no correction entry addresses that citation."
        }
      ]
    },
    {
      "id": "M061",
      "blocks": [
        {
          "answer_block": "ANS-B-4",
          "source_present": true,
          "ledger_correction": "no ledger entry",
          "matched_entry_ids": [],
          "answer_quotes": ["its \"EPS initiative,\" disclosed in enforcement speeches ~2019–21"],
          "ledger_quotes": [],
          "reason": "The block attributes an \"EPS initiative\" to SEC enforcement speeches of about 2019–21, and the ledger records no correction against that attribution or dating."
        }
      ]
    }
  ]
}
```