OpenTechnical

OT-2026-000031375

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two 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-2026-000031375) never changes.

Identity and time

Publication numberOT-2026-000031375 · never reused
Internal UUID01a0ae74-87ad-7028-b0fb-21e779c097cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031375
StatusPUBLIC

Content hashes

Canonical texted3f643b3bd312af0ad2a87e64e231c0ba5c6e89cd875396b90ee78996fddf7d
Markdown3ebb80de4123b7703a39357ce2590b91d327142c5b870f7f2edb824ba598a671
PDF
Publication page4e3f66b5fb2145c96e9e1e4ab06587389ac2bcb059c8d63b2b6b69b7e070cb26
Manifest453eabc841a77a67f7d3421d8730fc9404d28da7bac156d631df1233d122a493

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
SignatureH3MZFc08JoSd7BLpeNG7H+PpDQ3yeJZG424vJ6LThaFr7t/FKzmkW4IDbyzvqn2+Fa2MyZe+/zTY+X6xZyAcBg==
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

2026-09-17T11:36:04.838523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031375
observed 4e3f66b5fb2145c96e9e1e4ab0658738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.820886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031375/manifest.json
observed 453eabc841a77a67f7d3421d8730fc94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.801472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031375/publication.md
observed 3ebb80de4123b7703a39357ce2590b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.783650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031375/publication.txt
observed ed3f643b3bd312af0ad2a87e64e231c0...
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.