OpenTechnical

OT-2026-000002898

Publication integrity record

Service robot and method for providing delivery service thereof

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-2026-000002898) never changes.

Identity and time

Publication numberOT-2026-000002898 · never reused
Internal UUID01a0a67f-67e3-7384-941b-2d2ca6ea002a · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:16:02.659782Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002898
StatusPUBLIC

Content hashes

Canonical text4121dd1b13dfb8480245c4ce2c69f32df9ead7f9b7df87a23c3f1b01ffb61c14
Markdown2bbb2cfab4446164a5dcb7a86ed089ed4601960737890c92479cc346c86d96e8
PDF
Publication pagee228e0f34c5b82feb98e513a6cf03668a9aa050333c8b9ada525e0d258825134
Manifestfa4ebccb561142584a89748dcc50363d270d910f515ba4f4e728a3f4b93b4fe8

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
SignaturezTGO7jlMBeSR+wGQHOG0WSvhcTU+Vu8RjIte+wakrIPaILcTI974XKX11PmWu9XoHjuae4pcKiFeiaZA0StfBA==
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

2026-10-22T08:41:45.546156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002898
observed e228e0f34c5b82feb98e513a6cf03668...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-22T08:41:45.395467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002898/manifest.json
observed fa4ebccb561142584a89748dcc50363d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-22T08:41:45.312877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002898/publication.md
observed 2bbb2cfab4446164a5dcb7a86ed089ed...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-22T08:41:45.175685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002898/publication.txt
observed 4121dd1b13dfb8480245c4ce2c69f32d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:20:21.649927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002898
observed e228e0f34c5b82feb98e513a6cf03668...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:21.494691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002898/manifest.json
observed fa4ebccb561142584a89748dcc50363d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:21.482736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002898/publication.txt
observed 4121dd1b13dfb8480245c4ce2c69f32d...
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