OpenTechnical

OT-2026-000063834

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented after set-down

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-2026-000063834) never changes.

Identity and time

Publication numberOT-2026-000063834 · never reused
Internal UUID01a0ae8d-53b7-7e1d-bd1b-0ffaa9c1bf4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063834
StatusPUBLIC

Content hashes

Canonical text820144e8b7f80b65c99def9351c45632afaad39131ed193dd5c2383ae8e824f0
Markdownfcf6e48c97f1e5998b76c6171dec23ed7714381228691432d7bd2c0d72ff8bdc
PDF
Publication page2aa663666cd0b6af9f60d8b623e8732142fd981bd312d630a493bd3b6aa5fa64
Manifest83f69bf50c2453aca2bbbd98a6eb369a9b702fadc281a9c0e1412c7e827e3329

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
Signaturepl22YFkDPN8XEusu6hEuxOWn1Mvr/36R3oZXWnBcF2edhhzZ4VLkQw0e8cH0vQH7Ax5Qp/GKLRabrleO4zaxBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:51.577859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063834
observed 2aa663666cd0b6af9f60d8b623e87321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.560052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063834/manifest.json
observed 83f69bf50c2453aca2bbbd98a6eb369a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.542885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063834/publication.md
observed fcf6e48c97f1e5998b76c6171dec23ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.504112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063834/publication.txt
observed 820144e8b7f80b65c99def9351c45632...
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.