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Product updates, technical notes, and announcements about Arche and deterministic financial data infrastructure.

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Thursday, March 5, 2026

Kevin Downey

How Arche Handles Financial Restatements

Arche preserves filing lineage during restatements so historical analysis stays reproducible and point-in-time correct.

Category: Engineering

SourcesRaw filings and corrections become versioned eventsEDGAR filingsAccessioned, timestampedAmendments / restatementsNew versions, never overwritesProvider correctionsExplicit change eventsVersioned ledgerImmutable versions with provenanceStatement: AAPL • 2024-12-31source=edgar • accession=0000320193-25-000010version=v3 • ingested_at=2025-02-05T02:14:31Zprovenance: strongVersions over timev1v2v3Contract-first APIVersioned routes, machine-readable schemasGET /v1/…Deterministic orderingExplicit paginationCanonical error envelopesStable schema contractsReady for MCP tool usemcp
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