OpenTechnical

OT-2026-000078195

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000078195) never changes.

Identity and time

Publication numberOT-2026-000078195 · never reused
Internal UUID01a0ae95-7c26-7161-bf1c-ecaed58c16b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078195
StatusPUBLIC

Content hashes

Canonical text079f7df100d53bf250dcecae42bc725fbc179e0ba68bd7599007cfc45719f32f
Markdownc675f443d64d4295684689dbe5d0234ce6b34dd0243b1b8855fd75924e2d60cd
PDF
Publication pagee874e81041b40459251bde9e16bba2507165f3f3341e5925e61178629f8c90e3
Manifest23b0678cb581165d2b31ac36ac991c743c089d16c9502db7e8de0f281f499577

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
Signatureby9H5OJ/hfYYm62kCExhYqCVaGnyd3tCj2DyOvrsUT8wgZ4O2UTY2h2+UsT0n7subpuK0SlEcIlyYePyn8OEAA==
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

2026-09-17T10:06:08.464093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078195
observed e874e81041b40459251bde9e16bba250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.444764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078195/manifest.json
observed 23b0678cb581165d2b31ac36ac991c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.426214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078195/publication.md
observed c675f443d64d4295684689dbe5d0234c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.403849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078195/publication.txt
observed 079f7df100d53bf250dcecae42bc725f...
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.