OpenTechnical

OT-2026-000001837

Publication integrity record

Mobile robot system for handling railway IBC

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000001837) never changes.

Identity and time

Publication numberOT-2026-000001837 · never reused
Internal UUID01a0a678-ed81-76b5-9bfa-d4b11aedbb52 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:08:58.113517Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001837
StatusPUBLIC

Content hashes

Canonical texte76ed34a5b8a0b96c6375a4c4efaf02848e62044f6cb6e93b7b203800de3671b
Markdown4e12ef7b6efe4a0887c86976f99c771e2630bfb2947534b1e0289b311dc77136
PDF
Publication page3b018b53eda061ad1e6c3e020280f8166371b11ef85914c194b3ed5810c13b0b
Manifest3f4eb24e44f2af406ffa9b6639b483ee37875838dc4263b6eadb2cb7e2d667cf

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature8iZ3HtLcLDep7PPaQmTKukPYSBClruWjzwGCks86beRJ4bcjodXHgndUmQjGaa19e3X2h/fwB3LGBXPiyEh3Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-15T19:10:20.192848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001837
observed 3b018b53eda061ad1e6c3e020280f816...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:20.166497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001837/manifest.json
observed 3f4eb24e44f2af406ffa9b6639b483ee...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:20.153994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001837/publication.txt
observed e76ed34a5b8a0b96c6375a4c4efaf028...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent