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Timestamp proofs verify data digests, not content authenticity

By PulseAugur Editorial · [1 sources] ·

A timestamp proof, like those generated by ProofLedger, verifies the existence of a specific data digest at a given time, but not the authenticity or origin of the content. The integrity of the proof relies on preserving the exact bytes that generated the digest, as any transformation—even cosmetic ones like reformatting or metadata changes—will alter the digest. Therefore, users must ensure they archive the canonical bytes of a file if they wish the timestamp proof to remain meaningful over time, rather than relying on convenient copies that may have been altered by various tools. AI

RANK_REASON The item discusses a technical aspect of cryptographic proofs and data integrity, akin to a research paper or technical blog post. [lever_c_demoted from research: ic=1 ai=0.1]

Read on dev.to — MCP tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Timestamp proofs verify data digests, not content authenticity

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The item discusses a technical aspect of cryptographic proofs and data integrity, akin to a research paper or technical blog post. [lever_c_demoted from research: ic=1 ai=0.1]
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  1. dev.to — MCP tag TIER_1 English(EN) · Craig Solomon ·

    What a timestamp proof actually proves, and the bytes you have to keep

    <p>Ask this about your own setup: if a timestamp proof verifies clean, what are you entitled to say out loud?</p> <p>Here's the honest version. This exact digest existed no later than the block it was anchored in.</p> <p>That's the whole claim. Not that the file is genuine. Not t…

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