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Card 018 of 9972026-08-22 issue

Observed arrival · 2026-08-22

AeonProof Code, a Time Capsule for Source Code

aeonproof.dev Observed source
Editorial interest 79/100 Selection signal · not a rating of the site

AeonProof registers a signed, timestamped cryptographic proof that a codebase existed, while keeping the source files on the developer's own machine.

Landing page captured for the 2026-08-22 issue.

Why it surfaced

The workflow hashes files locally, signs a Merkle root with Ed25519, anchors daily batches to Bitcoin, and offers a synthetic-DNA archive as a century-scale backstop. It is unusually specific about both its limits and its intended audience: freelancers, agencies, startups, and anyone likely to argue over who wrote what first.

AeonProof registers a signed, timestamped cryptographic proof that a codebase existed, while keeping the source files on the developer's own machine.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

LoginAccess appeared gated
$PaidCommerce or pricing visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use

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aeonproof.dev

Landing page observed 2026-08-22. The live site may have changed.