# Data

::::card-grid
:::card{title="Embedding values changed when upserted" href="/guides/data-embedding-values-changed-when-upserted"}
Diagnose why Pinecone embedding values appear changed after upsert, including float32 precision rounding and how the API serializes numeric vector data.
:::

:::card{title="Limitations of querying by ID" href="/guides/data-limitations-of-querying-by-id"}
Understand why querying by record ID can omit that ID under ANN search, and when to use fetch or metadata filters to retrieve a specific vector reliably.
:::
::::

## Related pages

- [Account management](./account-management-index.md)
- [Admin](./admin-2-index.md)
- [Admin](./admin-index.md)
- [APIs](./apis-index.md)
- [Architecture](./architecture-index.md)
- [Assistants](./assistants-index.md)
- [Bring Your Own Cloud](./bring-your-own-cloud-index.md)
- [Build an assistant](./build-an-assistant-index.md)
- [Build an integration](./build-an-integration-index.md)
- [Changelog](./changelog-index.md)

# Agent Instructions

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