{
  "recordVersion": 1,
  "status": "One completed and independently checked workflow; not an overall comparison verdict",
  "runId": "sales-returns-chatgpt-20261019-01",
  "dateUTC": "2026-10-19",
  "app": "ChatGPT",
  "surface": "Ordinary saved browser conversation, not a Project or Temporary Chat; ordinary chat UI observed. The Chat/Work toggle selected state was not retained in this run.",
  "visibleConfiguration": {
    "plan": "Pro; exact price tier unconfirmed",
    "model": "GPT-6",
    "effort": "Pro, 5 of 5",
    "afterAnswerLabel": "Try again • 6 Pro",
    "backendReportedLabel": "gpt-6-pro"
  },
  "configurationScope": "App-reported labels, not independent backend identification or an isolated model benchmark.",
  "operator": "Two AI operators working for Anomaly used the same authorized conversation; second continued after external browser outage without resending P1.",
  "reviewer": "Separate AI article writer working for Anomaly; independent source-file aggregation and actual output replay.",
  "notBlinded": true,
  "blindingDisclosure": "First operator read the rubric before P1 and exposure notes at 16:11:01.341 UTC; no direct answer-key-file read was found in the inspected pre-P1 activity. Second operator read the rubric and prior records containing reference values before P2; its direct answer-key read at 17:22:01.671 UTC was after all answers. Only the four frozen prompts were sent; no expected values or corrective hints.",
  "accountState": "First operator observed Enable memory OFF at 16:14 UTC; the saved conversation later reported memory_scope global_enabled and is_do_not_remember false. These observations are not reconciled. Custom instructions were observed enabled during access setup, not re-inspected in this run. Fresh chat does not establish instruction-free or memory-free conditions.",
  "independenceDisclosure": "Vendor-authored test, not blinded or independent of Anomaly.",
  "input": {
    "name": "sales-returns-workbook.xlsx",
    "bytes": 2575274,
    "sha256": "5d25f5d9d877c895736cf91361de94742a8f50af8f4d74a1ea2240929e17f3ed",
    "url": "../sales-returns-workbook.xlsx",
    "provenance": "Same frozen synthetic five-sheet workbook",
    "upload": "Browser-created File/DataTransfer upload hash checked; stored upload fetched back through the app file interface and hash matched."
  },
  "reference": {
    "file": "reference-values.csv",
    "url": "../reference-values.csv",
    "method": "Saved CSVs calculated by SQL, independently checked with JavaScript and Python"
  },
  "promptsAndInputDownload": "../comparison-workbook-and-checks-v1.zip",
  "prompts": [
    {
      "prompt": "P1",
      "frozenTextSHA256": "1c8b1438a8f114ec1cc373471362742dacfcfcda12e4b9b284634cec1e1df6ad",
      "sentUTC": "2026-10-19T16:16:31.496Z",
      "serverFinalMessageCreatedUTC": "2026-10-19T16:23:26.301Z",
      "serverConversationUpdatedUTC": "2026-10-19T16:25:04.554Z",
      "uiFirstObservedCompleteUTC": null,
      "secondsToServerFinalMessageCreated": 414.8,
      "secondsToServerConversationUpdated": 513.1,
      "secondsToUIFirstObservedComplete": null,
      "timingStatus": "Censored; completion occurred during external browser outage. Server timestamps are proxies, not validated completion bounds.",
      "firstAttempt": "Completed",
      "clarifications": 0,
      "recoveryUsed": false
    },
    {
      "prompt": "P2",
      "frozenTextSHA256": "a1284f6c7ad6554a50ca9eb2ee834fe772e1d7151b73d97d4f61c64a20fee68c",
      "sentUTC": "2026-10-19T16:48:13.501Z",
      "serverFinalMessageCreatedUTC": "2026-10-19T16:50:57.845Z",
      "serverConversationUpdatedUTC": "2026-10-19T16:51:40.234Z",
      "uiFirstObservedCompleteUTC": "2026-10-19T16:51:48.011Z",
      "secondsToServerFinalMessageCreated": 164.3,
      "secondsToServerConversationUpdated": 206.7,
      "secondsToUIFirstObservedComplete": 214.5,
      "timingStatus": "Server timestamp proxies and first UI-complete poll reported separately; hidden-tab and polling lag apply.",
      "firstAttempt": "Completed",
      "clarifications": 0,
      "recoveryUsed": false
    },
    {
      "prompt": "P3",
      "frozenTextSHA256": "5267ae75957ef85ea20be20a5965d6e6ba81c5563278de20f6f3da6136db9362",
      "sentUTC": "2026-10-19T16:52:32.338Z",
      "serverFinalMessageCreatedUTC": "2026-10-19T16:53:44.094Z",
      "serverConversationUpdatedUTC": "2026-10-19T16:54:10.689Z",
      "uiFirstObservedCompleteUTC": "2026-10-19T16:54:35.756Z",
      "secondsToServerFinalMessageCreated": 71.8,
      "secondsToServerConversationUpdated": 98.4,
      "secondsToUIFirstObservedComplete": 123.4,
      "timingStatus": "Server timestamp proxies and first UI-complete poll reported separately; hidden-tab and polling lag apply.",
      "firstAttempt": "Completed",
      "clarifications": 0,
      "recoveryUsed": false
    },
    {
      "prompt": "P4",
      "frozenTextSHA256": "c7bf19a8bd57a33677e5d3931ba46ca88f06ee642f9c1754d578a363b44583b0",
      "sentUTC": "2026-10-19T16:55:16.410Z",
      "serverFinalMessageCreatedUTC": "2026-10-19T17:18:52.759Z",
      "serverConversationUpdatedUTC": "2026-10-19T17:19:18.370Z",
      "uiFirstObservedCompleteUTC": "2026-10-19T17:19:20.162Z",
      "secondsToServerFinalMessageCreated": 1416.3,
      "secondsToServerConversationUpdated": 1442.0,
      "secondsToUIFirstObservedComplete": 1443.8,
      "timingStatus": "Server timestamp proxies and first UI-complete poll reported separately; hidden-tab and polling lag apply.",
      "firstAttempt": "Completed",
      "clarifications": 0,
      "recoveryUsed": false
    }
  ],
  "timingDefinition": "Send click, server final-message creation, server conversation update and first observed UI completion are different events. Server timestamp semantics were not independently validated. P1 completion is censored; outage/reconnection is not response latency. Hidden tabs and polling delayed UI observations. No speed score or clean user-perceived speed ranking.",
  "access": {
    "allFiveSheetsRead": true,
    "userFacingQuotaBlock": false,
    "clarifications": 0,
    "userRecoveryMessages": 0,
    "stallRuleTriggered": false,
    "externalBrowserOutage": "Approximately 16:20:19–16:44:36 UTC; same conversation continued by a second operator.",
    "appInternalSaveFailure": "P4 reported a failed first save, then completed its own file delivery within the same turn; no operator recovery request.",
    "firstPartyLibraryWrite": "App saved five synthetic outputs to its own account Library without a separate approval prompt. Recorded under the frozen connector-reporting rule; no third-party connector or private external-data access observed."
  },
  "checks": [
    {
      "id": "N1",
      "check": "All five sheet row counts",
      "result": "PASS",
      "reason": null,
      "observed": "All five counts correct: Sales 12,120 raw/12,000 unique; Returns 600; Products 24; Categories 5; Regions 4."
    },
    {
      "id": "N2",
      "check": "Key columns and uniqueness",
      "result": "PASS",
      "reason": null,
      "observed": "Raw Sales line_id not unique; other four intended primary keys unique. Returns line_id is incidentally unique and not mistaken for the intended event key."
    },
    {
      "id": "N3",
      "check": "Date extents",
      "result": "PASS",
      "reason": null,
      "observed": "Sales Jan 1–Jun 30, 2026; Returns Jan 3–Jun 30, 2026."
    },
    {
      "id": "N4",
      "check": "Three required data-quality observations",
      "result": "PASS",
      "reason": null,
      "observed": "P1 identifies all required issues: 120 exact repeated Sales rows; C5 Seasonal Gifts with no products/sales; no price/revenue fields."
    },
    {
      "id": "N5",
      "check": "Rows before and after deduplication",
      "result": "PASS",
      "reason": null,
      "observed": "12,120 before exact deduplication; 12,000 after; 120 copies removed."
    },
    {
      "id": "N6",
      "check": "Six monthly units totals",
      "result": "PASS",
      "reason": null,
      "observed": "All six monthly totals correct: 3,456; 3,761; 4,872; 5,643; 6,815; 8,559."
    },
    {
      "id": "N7",
      "check": "Five category units totals",
      "result": "PASS",
      "reason": null,
      "observed": "Category totals correct: C1 9,014; C2 8,535; C3 8,668; C4 6,889; C5 retained with 0."
    },
    {
      "id": "N8",
      "check": "Four regional units totals",
      "result": "PASS",
      "reason": null,
      "observed": "Region totals correct: North 11,067; South 9,090; East 7,271; West 5,678."
    },
    {
      "id": "N9",
      "check": "Grand total and reconciliation",
      "result": "PASS",
      "reason": null,
      "observed": "33,106 total; monthly/category/region summaries reconcile independently."
    },
    {
      "id": "N10",
      "check": "Category return numerators and denominators",
      "result": "PASS",
      "reason": null,
      "observed": "Returned/sold units correct: 244/9,014; 460/8,535; 160/8,668; 288/6,889."
    },
    {
      "id": "N11",
      "check": "Category return rates",
      "result": "PASS",
      "reason": null,
      "observed": "Category rates correct: 2.71%; 5.39%; 1.85%; 4.18%."
    },
    {
      "id": "N12",
      "check": "No-sales category rate",
      "result": "PASS",
      "reason": null,
      "observed": "C5 retained with 0 returned/0 sold and an explicitly undefined rate, explained as 0/0 rather than 0%."
    },
    {
      "id": "J1",
      "check": "Duplicate-safe joins",
      "result": "PASS",
      "reason": null,
      "observed": "Sales are deduplicated; sales and returns aggregated separately; no return fan-out. P1 also independently identifies the 1,152 versus 1,180 trap."
    },
    {
      "id": "J2",
      "check": "Complete output groups",
      "result": "PASS",
      "reason": null,
      "observed": "All five categories, four regions and six months retained in the requested summary tables."
    },
    {
      "id": "J3",
      "check": "No invented period or financial values",
      "result": "PASS",
      "reason": null,
      "observed": "No July–December values, revenue or monetary amounts invented in the checked answers/files."
    },
    {
      "id": "F1",
      "check": "Chart agrees with checked monthly totals",
      "result": "PASS",
      "reason": null,
      "observed": "Actual PNG and PDF show all six correct monthly points and unit/date labels. XLSX native chart references correct linked cells; original chart point caches absent, populated correctly after LibreOffice recalculation."
    },
    {
      "id": "F2",
      "check": "Exactly three supported findings",
      "result": "PASS",
      "reason": null,
      "observed": "Exactly three supported findings: Jan–Jun +5,103/+147.66%; Feb–Mar largest monthly percentage increase +1,111/+29.54%; Apr–Jun 21,017/33,106=63.48%, versus Jan–Mar 12,089. All ordering and arithmetic checks pass."
    },
    {
      "id": "W1",
      "check": "Reproducible supplied working",
      "result": "FAIL",
      "reason": null,
      "observed": "The complete displayed P2 JavaScript imports @oai/artifact-tool and fails unchanged in Node.js v20.19.6 with ERR_MODULE_NOT_FOUND; queried public npm registry returns 404 and no installation source is supplied. The separately delivered P4 Python runs unchanged with openpyxl and reproduces byte-identical monthly CSV plus correct audit/finding JSON. That success does not erase P2's unavailable dependency."
    },
    {
      "id": "W2",
      "check": "Working agrees with reported counts and tables",
      "result": "PASS",
      "reason": null,
      "observed": "P2's stated steps, duplicate counts, direct total and all summary tables agree."
    },
    {
      "id": "E1",
      "check": "Delivered files retrieved and reopened",
      "result": "PASS",
      "reason": null,
      "observed": "Five actual saved files independently inspected: XLSX, CSV, PNG, PDF and Python. All claimed values match; PDF/PNG visually checked. Same-origin app-file retrieval hashes match the saved bytes; native browser download buttons were not used."
    },
    {
      "id": "E2",
      "check": "XLSX summary values",
      "result": "PASS",
      "reason": null,
      "observed": "Original XLSX opens with correct cached values and recalculates correctly. Contains Monthly sales, 12,000 Sales lines and 120 Duplicate copies, with original row numbers."
    },
    {
      "id": "E3",
      "check": "Claimed workbook editability",
      "result": "PASS",
      "reason": null,
      "observed": "Explicit formula/editable-chart claim supported: 50 formulas, one native chart, no embedded chart image. +1 at Sales lines!E2 updates January 3,456→3,457, total 33,106→33,107 and native chart. Numeric finding formulas update; descriptive headings remain static. Tested with LibreOffice, not a manual Microsoft Excel session."
    }
  ],
  "scoringNote": "22 separate checks: 21 PASS, W1 FAIL. No weighted score or accuracy percentage. Missing P2 dependency is separate from correct quantities and successful P4 Python. Access, latency and price are separate.",
  "files": [
    {
      "name": "monthly_sales_summary.xlsx",
      "bytes": 386938,
      "sha256": "42025289fc398996fccfe2f61b7953fd4fbff0fcd2b0fe64549f066dbff1dfdb",
      "url": "/blog/best-ai-model-for-data-analysis/r1-chatgpt/monthly_sales_summary.xlsx",
      "kind": "Unmodified app-delivered file",
      "scope": "January–June monthly sales analysis; category/region/return tables are in the chat, not this monthly output package."
    },
    {
      "name": "monthly_sales_brief.pdf",
      "bytes": 238511,
      "sha256": "a0866de74dca7736a7e5cc7083c6c35bf85a6fa7bcb1dcbf78d1a4b23305f8bb",
      "url": "/blog/best-ai-model-for-data-analysis/r1-chatgpt/monthly_sales_brief.pdf",
      "kind": "Unmodified app-delivered file",
      "scope": "January–June monthly sales analysis; category/region/return tables are in the chat, not this monthly output package."
    },
    {
      "name": "monthly_units_sold.png",
      "bytes": 197169,
      "sha256": "59a81b1565f9b1b8ff465bd6a4f7f76577291f4de23f8c7c634f2f8598e35c60",
      "url": "/blog/best-ai-model-for-data-analysis/r1-chatgpt/monthly_units_sold.png",
      "kind": "Unmodified app-delivered file",
      "scope": "January–June monthly sales analysis; category/region/return tables are in the chat, not this monthly output package."
    },
    {
      "name": "monthly_units_sold.csv",
      "bytes": 144,
      "sha256": "7c11064a434952f7ec749689341d801fa1cdb743ccccec7c3bfeaaa083c319ef",
      "url": "/blog/best-ai-model-for-data-analysis/r1-chatgpt/monthly_units_sold.csv",
      "kind": "Unmodified app-delivered file",
      "scope": "January–June monthly sales analysis; category/region/return tables are in the chat, not this monthly output package."
    },
    {
      "name": "reproduce_monthly_sales.py",
      "bytes": 10386,
      "sha256": "55b0c5f9d8d14b2b0b97239e8c4e7de11d7895ee958fe8e76df17f43614447f7",
      "url": "/blog/best-ai-model-for-data-analysis/r1-chatgpt/reproduce_monthly_sales.py",
      "kind": "Unmodified app-delivered file",
      "scope": "January–June monthly sales analysis; category/region/return tables are in the chat, not this monthly output package."
    }
  ],
  "retrievalMethod": "Five output files fetched in-page through the same-origin app files interface using the existing session; in-page SHA-256 matched VM copies. Native Mac browser Download buttons were not clicked. Upload was also fetched back and matched the frozen input.",
  "verification": {
    "formulas": 50,
    "nativeCharts": 1,
    "embeddedChartImages": 0,
    "sourceRowsChecked": {
      "retained": 12000,
      "removed": 120
    },
    "sourceFieldAndRowNumberCellsChecked": 72840,
    "originalChart": "Correct linked category/value cells; chart point caches absent in original, populated correctly by LibreOffice reopening/recalculation.",
    "controlledEdit": "On a copy, Sales lines!E2 changed 1→2. January 3,456→3,457; total 33,106→33,107; native chart and numeric finding formulas updated. Descriptive finding headings remained static. Operator separately tested +10; those results are not mixed with this +1 check.",
    "P4Python": "Unchanged script with openpyxl reproduces byte-identical monthly CSV and correct audit/finding JSON.",
    "P2JavaScript": "Unchanged code fails with ERR_MODULE_NOT_FOUND for @oai/artifact-tool in Node.js v20.19.6; public npm registry query returned 404. Operator shim diagnostics are repairs, not an unchanged reproduction pass.",
    "manualMicrosoftExcelSessionTested": false,
    "recalculationEngine": "LibreOffice 24.2.7.2"
  },
  "usageCounter": "Displayed weekly allowance declined 15%→9%→7%, but its caption excludes chat conversations and the account is shared with other work. No workflow usage/cost is inferred.",
  "limitations": [
    "One synthetic fixture, one workflow and one date; six further comparison workflows remain pending at packaging.",
    "Unmatched subscriptions and personalization across apps.",
    "Two operators continued one conversation after an external outage; P1 completion time unobserved.",
    "No manual Microsoft Excel session or native Mac Download-button test.",
    "App-context screenshot coverage remains incomplete; existing genuine crops omit app identity and some content.",
    "Large-file performance, native spreadsheet add-ins, statistical inference and unattended refresh were not tested."
  ]
}