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The workflow that makes Prometheus different: never quote a number you can’t cite. This guide traces NVIDIA’s quarterly revenue to its source filing.

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1. Resolve the company

Take the ticker (NVDA) or, better, the CIK (1045810) — the CIK survives ticker changes.

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2. Pull the statements

One call returns the standardized income statement, balance sheet and cash flow for up to 200 periods. Note the line key (revenue) and the period end date of the quarter you care about.

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3. Trace the line

The response carries:
  • the XBRL concept the value was standardized from
  • the accession number of the filing it was taken from
  • the calculation tree the line participates in — how the statement ties

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4. Cite it

Q3 FY2025 revenue: $35.08B — 10-Q 0001045810-24-000316, period ending 2025-01-26, latest-restated basis.
That’s the whole discipline. If you need what the company originally filed instead of the latest restatement, add reporting_basis=as_reported in step 2.
Building an agent? skill.md encodes this exact loop as a playbook, and every rule in agents.md assumes it.