OpenTechnical

OT-2026-000034638

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000034638) never changes.

Identity and time

Publication numberOT-2026-000034638 · never reused
Internal UUID01a0ae76-1ed1-7bef-b7e7-2073b43cdf88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034638
StatusPUBLIC

Content hashes

Canonical text341481dab44a13ac82c2c9f2631f285e8a54edfb4552cacbd4cb3de27dd0cb60
Markdown6bc0f62014db05b0722785489340a722cb31012b4358c068064b8011507d4171
PDF
Publication page3b88870fb0e7de377bd0f2b1e6cd5e48db23d80a9fbcc2b06214826f14dfc627
Manifest31c3ca20051ccaa0be699b30f0bc9c29cfc91055becf8b6e58511f33c0643bdf

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
SignatureSkrcFDUEiI7i+vsmDYnro4OJazzm4CF6unuoQWTAX3H/05wGlutVRhP1PYnadRhT96FcDd4+JWlGCCAG+fT5BQ==
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

2026-09-17T11:29:01.586124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034638
observed 3b88870fb0e7de377bd0f2b1e6cd5e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:01.569533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034638/manifest.json
observed 31c3ca20051ccaa0be699b30f0bc9c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:01.551691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034638/publication.md
observed 6bc0f62014db05b0722785489340a722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:01.535191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034638/publication.txt
observed 341481dab44a13ac82c2c9f2631f285e...
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.