OpenTechnical

OT-2026-000063442

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000063442) never changes.

Identity and time

Publication numberOT-2026-000063442 · never reused
Internal UUID01a0ae8c-f944-7dc4-b636-a77cf56a7932 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063442
StatusPUBLIC

Content hashes

Canonical textcefdd4b2dda8a4531fba18a31ab96913b35b1dab8bc436810efe90d6f663df78
Markdown44c4ad7570df981b2f89aa827ead76cc1db468e064536d9f115679514ad34bce
PDF
Publication page6f078dd5144d5697855689996fabb0d62b33c99e14421b795c4c0c66266de900
Manifest9d8dfb68a2408ba95628d70751dba7f1063284c26608bb0598f90d35dc3fc169

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
Signature0Ft/+jj49oc62cO6P8P46NWP8hgnXNqwwk1ktKSJX0SGlQUerudStLIyWMUw2M8dx0QqHT59Nn+hA48Pln08Bg==
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

2026-09-17T10:37:24.092938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063442
observed 6f078dd5144d5697855689996fabb0d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:24.074525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063442/manifest.json
observed 9d8dfb68a2408ba95628d70751dba7f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:24.055534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063442/publication.md
observed 44c4ad7570df981b2f89aa827ead76cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:24.037853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063442/publication.txt
observed cefdd4b2dda8a4531fba18a31ab96913...
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.