OpenTechnical

OT-2026-000036071

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000036071) never changes.

Identity and time

Publication numberOT-2026-000036071 · never reused
Internal UUID01a0ae77-01cd-70a1-9cfa-09cb1c3f0123 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036071
StatusPUBLIC

Content hashes

Canonical text45eb9b9f0405437f933810d2b1d0f69cc6b62f8c1cabff436488618b20fbfbf5
Markdown29cc8779fa2237bc908a7f2ab9463672b8668c73c2d6a516b71c9cdd651260d0
PDF
Publication page31d64d52d7486830a6c6bc2a83c354e47cb8e6ed77151904178bac16a48f5648
Manifest0c781c1444bcf743772cded7002deafdd265ae089bfb922780fb117c08dfd17d

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
SignatureiKZMYDvoZw+b1qaENvpSEvtQCqhXiY8SfUpEVpRk8hbqvTg+FrlNTVU1Q9gIj84d9Z9/ZVn5ALIsB9sF6wocDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:15.508404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036071
observed 31d64d52d7486830a6c6bc2a83c354e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:15.484381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036071/manifest.json
observed 0c781c1444bcf743772cded7002deafd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:15.467872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036071/publication.md
observed 29cc8779fa2237bc908a7f2ab9463672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:15.450064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036071/publication.txt
observed 45eb9b9f0405437f933810d2b1d0f69c...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.