OpenTechnical

OT-2026-000071158

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000071158) never changes.

Identity and time

Publication numberOT-2026-000071158 · never reused
Internal UUID01a0ae91-e0eb-707e-bcba-88ff03b5fefe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071158
StatusPUBLIC

Content hashes

Canonical text2ca1a75f1e3e7e08dc2e33b83d6d41b0f9461c87305d0cf37da372a630c2f747
Markdownafaadb1d88636133e4744e5c942c2d6407d8cdf45cab9576a61688b53a9f474c
PDF
Publication pagee7ab9eef117cb3466327393ff62687b1bfc92608d519073eac9daa2dcf0d0d92
Manifesta096f86893f82b250d661e74d07a0940e8a051e1bd163da69f3ec3783ca146ce

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
Signature14lJMavWvvGFIsq9lcBnqdbJmIH17jiz/vQE2x6bIe1Y/0FsHqGKXQ/G/eneq4haeKCEHTqn4o1plND4MkDtBQ==
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

2026-09-17T10:24:39.884356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071158
observed e7ab9eef117cb3466327393ff62687b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.865332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071158/manifest.json
observed a096f86893f82b250d661e74d07a0940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.848306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071158/publication.md
observed afaadb1d88636133e4744e5c942c2d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.831975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071158/publication.txt
observed 2ca1a75f1e3e7e08dc2e33b83d6d41b0...
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.