neubuot/urschrift · v0.1.0

Tamper-evident timestamp on the Doichain blockchain

Sealed in block 436168

SHA-256: 3668bc9db94622d7a5bf3a0186e6d40105d68fecbeae6c53031b6e5b1a125b61
Repository: neubuot/urschrift
Release / ref: v0.1.0
Commit: e3d394ef1feb
File: SHA256SUMS · 90 bytes
Block: 436168 · 2026-10-14 08:18:23 UTC
Confirmations: 769
Transaction: cf2964157a9e45ebe45b7a122971656cb056ef7c7b0420539a4ede9e6ad77d78
Name on chain: poe/3668bc9db94622d7a5bf3a0186e6d40105d68fecbeae6c53031b6e5b1a125b61
Origin: Written by the DOI Labs API after verifying a GitHub Actions OIDC token for this repository and commit.
Workflow run: 38533334113

Badges for this file

[![Doichain Seal](https://doi-api.sendlabs.de/seal/3668bc9db94622d7a5bf3a0186e6d40105d68fecbeae6c53031b6e5b1a125b61/seal.svg)](https://doi-api.sendlabs.de/seal/3668bc9db94622d7a5bf3a0186e6d40105d68fecbeae6c53031b6e5b1a125b61)

compact: https://doi-api.sendlabs.de/seal/3668bc9db94622d7a5bf3a0186e6d40105d68fecbeae6c53031b6e5b1a125b61/badge.svg

Verify it yourself

Download the release file, compute its SHA-256 and compare it with the hash above. Then read the name from the chain: with this API, with any Doichain node (name_show) or via the MCP server.

sha256sum SHA256SUMS
# must print 3668bc9db94622d7a5bf3a0186e6d40105d68fecbeae6c53031b6e5b1a125b61

curl https://doi-api.sendlabs.de/v1/poe/3668bc9db94622d7a5bf3a0186e6d40105d68fecbeae6c53031b6e5b1a125b61

Independent check: Verifile · JSON · Merkle inclusion proof via GET /v1/tx/<txid>/proof

Doichain Seal is a free service by DOI Labs. The proof is the name poe/<sha256> on the public Doichain blockchain, this page only reads it. Anyone can verify a seal without this service, see the API or Verifile.