neubuot/kerbholz · v0.2.0

Tamper-evident timestamp on the Doichain blockchain

Sealed in block 436224

SHA-256: a89b2755a5ed23a7e27662f9ee2f5cc01c2315bc172922db2b022e21690fc14a
Repository: neubuot/kerbholz
Release / ref: v0.2.0
Commit: 9d55f6e02a01
File: SHA256SUMS · 89 bytes
Block: 436224 · 2026-10-14 17:49:58 UTC
Confirmations: 713
Transaction: cc83dbe30e80152fd2f0424d890f19ed60feedcfc12d2b129da5b1ab3cb7327c
Name on chain: poe/a89b2755a5ed23a7e27662f9ee2f5cc01c2315bc172922db2b022e21690fc14a
Origin: Written by the DOI Labs API after verifying a GitHub Actions OIDC token for this repository and commit.
Workflow run: 38609747817

Badges for this file

[![Doichain Seal](https://doi-api.sendlabs.de/seal/a89b2755a5ed23a7e27662f9ee2f5cc01c2315bc172922db2b022e21690fc14a/seal.svg)](https://doi-api.sendlabs.de/seal/a89b2755a5ed23a7e27662f9ee2f5cc01c2315bc172922db2b022e21690fc14a)

compact: https://doi-api.sendlabs.de/seal/a89b2755a5ed23a7e27662f9ee2f5cc01c2315bc172922db2b022e21690fc14a/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 a89b2755a5ed23a7e27662f9ee2f5cc01c2315bc172922db2b022e21690fc14a

curl https://doi-api.sendlabs.de/v1/poe/a89b2755a5ed23a7e27662f9ee2f5cc01c2315bc172922db2b022e21690fc14a

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.