neubuot/urschrift · v0.1.0

Tamper-evident timestamp on the Doichain blockchain

Sealed in block 436168

SHA-256: fc64a6aa8294430a15ffea7005b7dcf0a6236c6e08d1666e1b06f71e558a85b8
Repository: neubuot/urschrift
Release / ref: v0.1.0
Commit: e3d394ef1feb
File: urschrift-v0.1.0.tar.gz · 32109 bytes
Block: 436168 · 2026-10-14 08:18:23 UTC
Confirmations: 769
Transaction: 0454a73df2c7d37587c1d3c76d3b9f94fc4edbc55b973ddc44ba262f811844ff
Name on chain: poe/fc64a6aa8294430a15ffea7005b7dcf0a6236c6e08d1666e1b06f71e558a85b8
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/fc64a6aa8294430a15ffea7005b7dcf0a6236c6e08d1666e1b06f71e558a85b8/seal.svg)](https://doi-api.sendlabs.de/seal/fc64a6aa8294430a15ffea7005b7dcf0a6236c6e08d1666e1b06f71e558a85b8)

compact: https://doi-api.sendlabs.de/seal/fc64a6aa8294430a15ffea7005b7dcf0a6236c6e08d1666e1b06f71e558a85b8/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 urschrift-v0.1.0.tar.gz
# must print fc64a6aa8294430a15ffea7005b7dcf0a6236c6e08d1666e1b06f71e558a85b8

curl https://doi-api.sendlabs.de/v1/poe/fc64a6aa8294430a15ffea7005b7dcf0a6236c6e08d1666e1b06f71e558a85b8

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.