neubuot/urschrift · v0.2.0

Tamper-evident timestamp on the Doichain blockchain

Sealed in block 436172

SHA-256: e29b0dd5502a7b1ced9089f3e48d70b35f65c082b7cd615de8cdb0613c027ba1
Repository: neubuot/urschrift
Release / ref: v0.2.0
Commit: 8f70f8aa3a59
File: urschrift-v0.2.0.tar.gz · 42373 bytes
Block: 436172 · 2026-10-14 09:09:57 UTC
Confirmations: 765
Transaction: 474f82534f76058dfa6589b0f33fbbe6ac37dcd73f9e5accbe058f3ace3de87b
Name on chain: poe/e29b0dd5502a7b1ced9089f3e48d70b35f65c082b7cd615de8cdb0613c027ba1
Origin: Written by the DOI Labs API after verifying a GitHub Actions OIDC token for this repository and commit.
Workflow run: 38538512032

Badges for this file

[![Doichain Seal](https://doi-api.sendlabs.de/seal/e29b0dd5502a7b1ced9089f3e48d70b35f65c082b7cd615de8cdb0613c027ba1/seal.svg)](https://doi-api.sendlabs.de/seal/e29b0dd5502a7b1ced9089f3e48d70b35f65c082b7cd615de8cdb0613c027ba1)

compact: https://doi-api.sendlabs.de/seal/e29b0dd5502a7b1ced9089f3e48d70b35f65c082b7cd615de8cdb0613c027ba1/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-v0.2.0.tar.gz
# must print e29b0dd5502a7b1ced9089f3e48d70b35f65c082b7cd615de8cdb0613c027ba1

curl https://doi-api.sendlabs.de/v1/poe/e29b0dd5502a7b1ced9089f3e48d70b35f65c082b7cd615de8cdb0613c027ba1

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.