OpenTechnical

OT-2026-000029795

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000029795) never changes.

Identity and time

Publication numberOT-2026-000029795 · never reused
Internal UUID01a0ae73-5e24-7625-b15d-0e785fa61992 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029795
StatusPUBLIC

Content hashes

Canonical textb6de3d2b81b53927c612e728595cad9d7e1ac9985794246ffc6cdea63c4124ab
Markdownfa0df5b155624af440fb7fe14cd467c3b8bce574ecd500b2919c49f0631d0a80
PDF
Publication pagefa28ed8fdac987133bac268c8b4f151a041b930bbca66979e0654627ebd0de39
Manifestc68eb92865d8b436a93495ea23ddfc3a518c1299e98eba91cb88d1205d755581

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
Signature322nsY9/0oRwgu2BNZm94kgMUslXvGZuFvf1BBtsOV1y0cOnqfRdwYzXWQ6R6RXrpDJRMslpIj9wstTusI3kDg==
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

2026-09-17T11:39:33.946784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029795
observed fa28ed8fdac987133bac268c8b4f151a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.928277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029795/manifest.json
observed c68eb92865d8b436a93495ea23ddfc3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.909204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029795/publication.md
observed fa0df5b155624af440fb7fe14cd467c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.892617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029795/publication.txt
observed b6de3d2b81b53927c612e728595cad9d...
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.