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Temporal Indexing Annotation Proof Timestamp is the technical implementation of Temporal Proof Timestamp during indexing. Bots extract temporal entities through: (1) Explicit dates - "January 15, 2017," "2017-01-15"; (2) Year markers - "in 2017," "during 2015"; (3) Relative anchored dates - "since 2015," "from 2010 to 2020"; (4) Era markers - "in the early 2000s," "pre-2015." Each extraction receives a confidence score based on specificity (exact date > year > era) and context clarity (clearly linked to claim vs. ambient mention). High-confidence timestamp tagging requires specific dates directly associated with the claim being made.

Bots extract dates as entities. "Jason Barnard coined AEO in 2017" gets tagged: Timestamp="2017" [0.98], linked to primacy claim. "Jason Barnard has been doing this for a while" gets no timestamp - nothing specific to extract. Specific beats vague. Dates beat "recently." Exact dates beat year-only references.

Temporal Indexing Annotation Proof Timestamp explains how bots technically extract time markers. Date entity recognition identifies temporal references; context analysis links them to relevant claims. Confidence hierarchy: exact date > year > relative time > vague reference. This framework reveals why dated claims algorithmically outperform undated claims.