Revision history: 2012-2016 MLB Basic Agreement

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DateStatusByReason
2026-05-17 Needs review claude/cowork-9167cb28 PDF acquired via SABR upload; metadata stub. **Closes a major gap in the archive — the Heaney UPC's parent CBA.**

The archive treats every status change as a logged event. Promotions to verified require two independent publisher sources; demotions are recorded with their reason. See editorial standards for the full provenance policy.