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fx_conversion

fx_conversion-2026200004

One entry is restated in EUR with the rate in the narrative.

expects fx_conversion

Statement files

2 highlighted lines differ from the same seed rendered without perturbations. That difference is the trap.

bnp_camt053.xml2 changed lines · first at line 35
<?xml version='1.0' encoding='utf-8'?>
<Document xmlns="urn:iso:std:iso:20022:tech:xsd:camt.053.001.02">
<BkToCstmrStmt>
<GrpHdr>
<MsgId>LB-acct-2026200004-2-2025-01-31</MsgId>
<CreDtTm>2025-01-31T23:59:00+00:00</CreDtTm>
</GrpHdr>
<Stmt>
<Id>acct-2026200004-2</Id>
<ElctrncSeqNb>1</ElctrncSeqNb>
<CreDtTm>2025-01-31T23:59:00+00:00</CreDtTm>
<FrToDt>
<FrDtTm>2025-01-01T00:00:00+00:00</FrDtTm>
<ToDtTm>2025-01-31T23:59:59+00:00</ToDtTm>
</FrToDt>
<Acct>
<Id>
<IBAN>GB18LBEN72667715010836</IBAN>
</Id>
<Ccy>GBP</Ccy>
</Acct>
<Bal>
<Tp>
<CdOrPrtry>
<Cd>OPBD</Cd>
</CdOrPrtry>
</Tp>
<Amt Ccy="GBP">220280.80</Amt>
<CdtDbtInd>CRDT</CdtDbtInd>
<Dt>
<Dt>2025-01-01</Dt>
</Dt>
</Bal>
<Ntry>
<Amt Ccy="EUR">10025.55</Amt>
<CdtDbtInd>CRDT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-03</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-03</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t002</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>CR FENWICK &amp; PARTNERS REF138386 | SETTLED IN EUR, CONVERT AT 0.8000 GBP/EUR</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">1556.03</Amt>
<CdtDbtInd>CRDT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-07</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-07</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t015</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>FPI FENWICK &amp; PARTNERS REF282399</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">1463.91</Amt>
<CdtDbtInd>DBIT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-10</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-10</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t010</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>BP JUNIPER PAYROLL REF801365</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">4275.15</Amt>
<CdtDbtInd>CRDT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-10</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-10</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t017</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>CR EASTFIELD ENERGY REF939174</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">8381.85</Amt>
<CdtDbtInd>DBIT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-11</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-11</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t009</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>SO LARKSPUR TRAVEL REF909271</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">8633.73</Amt>
<CdtDbtInd>DBIT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-11</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-11</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t016</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>DD LARKSPUR TRAVEL REF367398</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">3298.94</Amt>
<CdtDbtInd>CRDT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-17</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-17</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t003</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>FPI BRAMBLE LOGISTICS REF903207</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">11320.81</Amt>
<CdtDbtInd>CRDT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-17</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-17</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t008</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>TFR OSPREY LEASING REF713230</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">13142.38</Amt>
<CdtDbtInd>DBIT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-19</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-19</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t004</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>DD IRONBRIDGE TOOLING REF907301</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">156.71</Amt>
<CdtDbtInd>CRDT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-19</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-19</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t006</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>TFR AURORA CONSULTING LTD REF965169</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">5501.83</Amt>
<CdtDbtInd>CRDT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-20</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-20</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t005</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>FPI MOORLAND TELECOM REF687969</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">7772.92</Amt>
<CdtDbtInd>DBIT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-21</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-21</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t012</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>FPO CASTLEGATE PROPERTY REF279056</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">933.90</Amt>
<CdtDbtInd>CRDT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-22</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-22</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t011</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>CR BRAMBLE LOGISTICS REF326284</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">12900.94</Amt>
<CdtDbtInd>DBIT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-24</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-24</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t014</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>DD CASTLEGATE PROPERTY REF958425</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">10829.55</Amt>
<CdtDbtInd>DBIT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-25</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-25</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t001</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>DD AURORA CONSULTING LTD REF978692</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">8298.06</Amt>
<CdtDbtInd>DBIT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-25</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-25</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t007</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>DD BRAMBLE LOGISTICS REF921013</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">6031.20</Amt>
<CdtDbtInd>CRDT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-28</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-28</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t013</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>TFR IRONBRIDGE TOOLING REF824980</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
<Ntry>
<Amt Ccy="GBP">9051.16</Amt>
<CdtDbtInd>DBIT</CdtDbtInd>
<Sts>BOOK</Sts>
<BookgDt>
<Dt>2025-01-29</Dt>
</BookgDt>
<ValDt>
<Dt>2025-01-29</Dt>
</ValDt>
<AcctSvcrRef>acct-2026200004-2-t018</AcctSvcrRef>
<NtryDtls>
<TxDtls>
<RmtInf>
<Ustrd>FPO CASTLEGATE PROPERTY REF351559</Ustrd>
</RmtInf>
</TxDtls>
</NtryDtls>
</Ntry>
</Stmt>
</BkToCstmrStmt>
</Document>
hsbc_statement.xlsxUntouched by this perturbation
[sheet: Statement]
HSBC Bank plc
Business Current Account Statement
Account name: LEDGERBENCH DEMO LTD
Sort code / Account number: 73-23-63 87474843
Account reference: acct-2026200004-1
Statement period: 01 Jan 2025 to 31 Jan 2025
Currency: GBP
Opening balance: 71220.61
Date Payment type Details Paid out Paid in
02 Jan 2025 DD AURORA CONSULTING LTD REF256408 6058.32
03 Jan 2025 DD IRONBRIDGE TOOLING REF421696 9637.17
04 Jan 2025 BP IRONBRIDGE TOOLING REF615957 2744.50
05 Jan 2025 DD NORTHGATE CLEANING REF687300 10744.38
06 Jan 2025 DD CASTLEGATE PROPERTY REF904085 12493.76
07 Jan 2025 FPI AURORA CONSULTING LTD REF362935 7570.57
08 Jan 2025 SO KESTREL INSURANCE REF267747 8077.79
10 Jan 2025 FPI BRAMBLE LOGISTICS REF531991 4241.09
13 Jan 2025 FPI KESTREL INSURANCE REF212885 3129.89
14 Jan 2025 DD OSPREY LEASING REF462481 782.31
15 Jan 2025 SO DELPHINIUM MEDIA REF544865 8035.63
16 Jan 2025 BP NORTHGATE CLEANING REF984580 2358.52
17 Jan 2025 SO MOORLAND TELECOM REF439802 2170.33
17 Jan 2025 SO AURORA CONSULTING LTD REF640834 3632.41
17 Jan 2025 SO DELPHINIUM MEDIA REF606001 12654.35
18 Jan 2025 TFR BRAMBLE LOGISTICS REF523771 2590.52
18 Jan 2025 SO MOORLAND TELECOM REF522857 8775.42
21 Jan 2025 FPO OSPREY LEASING REF901265 11232.92
24 Jan 2025 DD OSPREY LEASING REF639750 531.71
24 Jan 2025 CR CASTLEGATE PROPERTY REF643151 11254.17
25 Jan 2025 BP GREENHOLM FOODS REF736588 338.99
27 Jan 2025 SO DELPHINIUM MEDIA REF301966 14344.47
28 Jan 2025 BP FENWICK & PARTNERS REF573401 14211.94
29 Jan 2025 DD DELPHINIUM MEDIA REF421406 14026.59
rbs_transactions.csvUntouched by this perturbation
"Date","Type","Description","Value","Account Name","Account Number","Ledger Ref"
"01/01/2025","BAL","OPENING BALANCE","129836.67","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"01/01/2025","TFR","TFR MOORLAND TELECOM REF311508","8487.27","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"02/01/2025","BP","BP KESTREL INSURANCE REF887538","-7356.66","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"03/01/2025","BP","BP BRAMBLE LOGISTICS REF268212","-9490.74","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"03/01/2025","FPI","FPI CASTLEGATE PROPERTY REF274488","485.80","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"06/01/2025","FPO","FPO KESTREL INSURANCE REF905067","-5391.13","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"06/01/2025","TFR","TFR CASTLEGATE PROPERTY REF878485","4379.88","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"07/01/2025","FPI","FPI OSPREY LEASING REF689969","13811.06","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"07/01/2025","DD","DD IRONBRIDGE TOOLING REF146460","-11528.96","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"07/01/2025","CR","CR EASTFIELD ENERGY REF919528","5235.96","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"08/01/2025","TFR","TFR NORTHGATE CLEANING REF347794","12865.06","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"10/01/2025","FPO","FPO LARKSPUR TRAVEL REF668284","-1067.68","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"13/01/2025","CR","CR JUNIPER PAYROLL REF471196","6601.97","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"14/01/2025","CR","CR EASTFIELD ENERGY REF883057","7805.13","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"14/01/2025","FPO","FPO NORTHGATE CLEANING REF422243","-5739.25","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"15/01/2025","BP","BP JUNIPER PAYROLL REF989060","-6172.40","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"15/01/2025","FPI","FPI HARBOURLIGHT IT REF287417","468.41","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"16/01/2025","SO","SO CASTLEGATE PROPERTY REF346055","-280.64","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"18/01/2025","TFR","TFR CASTLEGATE PROPERTY REF606085","6745.95","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"19/01/2025","CR","CR GREENHOLM FOODS REF525285","11033.96","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"21/01/2025","FPO","FPO NORTHGATE CLEANING REF450099","-9768.19","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"21/01/2025","TFR","TFR GREENHOLM FOODS REF349010","8265.22","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"22/01/2025","FPI","FPI FENWICK & PARTNERS REF642961","1254.87","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"22/01/2025","SO","SO GREENHOLM FOODS REF159003","-5785.79","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"24/01/2025","FPO","FPO CASTLEGATE PROPERTY REF407278","-13072.59","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"26/01/2025","TFR","TFR LARKSPUR TRAVEL REF364153","10932.10","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"26/01/2025","FPO","FPO BRAMBLE LOGISTICS REF212374","-9453.14","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"26/01/2025","BP","BP GREENHOLM FOODS REF336107","-8737.72","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"27/01/2025","DD","DD AURORA CONSULTING LTD REF783432","-14618.79","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"28/01/2025","CR","CR MOORLAND TELECOM REF257201","3764.15","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"30/01/2025","TFR","TFR CASTLEGATE PROPERTY REF270211","1996.64","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"30/01/2025","TFR","TFR CASTLEGATE PROPERTY REF694887","9811.83","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
"31/01/2025","FPI","FPI HARBOURLIGHT IT REF908110","987.88","LEDGERBENCH DEMO LTD","63-21-83 96229222","acct-2026200004-3"
 

Ground truth

Public here because the benchmark is open; it is the model's prompt path that can never reach these values, not human readers.

AccountClosing balance
acct-2026200004-1−£42,844.66
acct-2026200004-2£180,901.31
acct-2026200004-3£136,306.13

Recorded runs on this case

  • exactSingle prompt2 steps · 10,652 tokens · Confidence medium

    Model claude-sonnet-4-6Measured 2026-08-20Bench v1.0Run 11eaa71b2d02Commit 3d38c30

  • exactAgent with tools24 steps · 68,516 tokens · Confidence medium

    Model claude-sonnet-4-6Measured 2026-08-20Bench v1.0Run f140aa1e57f4Commit 384d72d

Step through any of these on the demo page.