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RelayPost 0.2.0 — submission candidate

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@BrickerP BrickerP released this 02 Nov 13:22
v0.2.0
10c0de3

RelayPost is a native desktop application and CLI for encrypted offline file handoffs, bounded shard repair, verified batch saves and signed return receipts. It reimagines UUCP-style store-and-forward delivery for the Resurrection category.

Try the guided demo

  1. Download the archive for your platform and its checksum, verify it, then extract it.
  2. On an Apple Silicon Mac, open RelayPost.app and choose Try guided demo. Use normal macOS approval if requested. Do not disable system-wide security settings.
  3. Follow Damage carrier copy ->, Repair and receive ->, and Carry back signed receipt ->. Linux CLI users can run ./bin/relaypost demo --output "$PWD/first-demo" in a new directory.

The demo creates two isolated identities and two synthetic files totaling 21 MiB. It deletes two carrier data shards, corrupts two parity shards, proves that a fifth erasure is refused, then repairs the remaining four. File SHA-256 values must match. The sender remains waiting until the expected recipient's signed receipt returns. The exported JSON evidence report is unsigned; the receipt is signed.

This is a one-machine, directory-carrier demonstration. Physical USB media and two-device exchange have not been tested.

Source and validation

  • Exact build source: 10c0de30272da7c1b8d81106a8ef470cca0745d7.
  • All-green exact-source CI.
  • Linux and macOS each passed 11 unit tests plus 30 integration tests, Clippy, real CLI acceptance workflows and extracted-archive verification.
  • Archives contain compiler-free verification, install/demo guides, source manifests, the MIT license, dependency notices and pinned attribution provenance. Per-file and archive checksums identify the delivered bytes.
  • Actual Kiro contribution record: Kiro authored the used steering/specifications, shared demo engine, CLI command and staged desktop implementation. Codex authored the original application, independent tests, review/hardening and distribution work. The repository records interrupted sessions and review changes honestly.

Demo video

Watch the public demo on YouTube. relaypost-demo.mp4 is a 164.267-second, silent native walkthrough with English captions. It contains actual application-window captures, original title cards and scene cuts removing idle gaps. Business processing was not accelerated or replaced with generated UI. A local export path is redacted. VTT/SRT captions and the original video are attached below.

Platform boundaries

  • macOS: Apple Silicon only; built for macOS 12+, exercised on macOS 15 in CI. The app is ad-hoc signed, without Developer ID signing or notarization.
  • Linux: x86_64 CLI, built and exercised on Ubuntu 24.04/glibc 2.39. General distribution compatibility is not claimed.
  • Windows, Intel macOS and Linux ARM packages are not supplied.
  • Each real batch accepts 1–100 static regular files, at most 64 MiB original content. Repair limits apply independently per group. No cloud service or runtime AI account is required.
  • No independent security audit, physical power-loss validation, performance claim or guaranteed hackathon eligibility is asserted.

Archive SHA-256

a442717ef3b20686b027402f41fc9e5961746ea6ad03369ca32929a023a78499  relaypost-0.2.0-macos-arm64.zip
58291ca201405b31d14ba22ec701d0b4f219c11003da23006d3e1d7ce8722491  relaypost-0.2.0-linux-x86_64.tar.gz

Keep the release and its assets available throughout the judging period, through at least January 30, 2027.

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