OpenTechnical

OT-2026-000046396

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000046396) never changes.

Identity and time

Publication numberOT-2026-000046396 · never reused
Internal UUID01a0ae7e-57db-7702-a94a-30b568139845 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046396
StatusPUBLIC

Content hashes

Canonical textda654c807acc9ea10089737d58562a611d0bdbadfd58044229cb3cccedebeae1
Markdown7a50218f5d3ad0f6c5580670bf97c32010687f65ece46156d431ad090d6e138c
PDF
Publication page7df47997dd358409c3ad3e00b05bebb5ce7b0fb862687dd8a7dcc185328ca65e
Manifest1ad36b7488f32f6f29e3976ca04be77815db400370b97a979ae640e3e56cb868

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
Signaturevaf15xHPMn/J7c8VfrWHVnV1OmUzjnT5LcE2RI4btUcYWj12Rx4GIkdBeR3/kP0MGkfY76VyHXtE+QazFgzcBg==
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

2026-09-17T11:08:24.197381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046396
observed 7df47997dd358409c3ad3e00b05bebb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.178851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046396/manifest.json
observed 1ad36b7488f32f6f29e3976ca04be778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.160531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046396/publication.md
observed 7a50218f5d3ad0f6c5580670bf97c320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:24.142746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046396/publication.txt
observed da654c807acc9ea10089737d58562a61...
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.