November 3, 2026 / Daily Edition / 1 story in this issue
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OpenAI’s Git Backend Reuses History Packs Across Readers

Pando, OpenAI’s internal source-control backend, trades some extra client data for reusable delivery. Its public Git changes show how branch checks and parallel downloads can support that choice.

A dispatch ledger shows two readers receiving the same A-plus-B pack. Reader 1 needs both; reader 2 needs only B, with A marked already held.
Diagram Punkreusable delivery can include history a reader already has. This is an illustrative arrangement, not a measured Pando trace.
repos openai/git + git/git evidence
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Evidence: 3 linked commits / November 3, 2026 / Daily Edition
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