OpenTechnical

OT-2026-000018450

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000018450) never changes.

Identity and time

Publication numberOT-2026-000018450 · never reused
Internal UUID01a0ae6e-b48a-7bd7-9744-e6d509d19080 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018450
StatusPUBLIC

Content hashes

Canonical texte78c7a22f421c5485754974e6e91097e6d43258d1e4b35c5029e475c368a2465
Markdown62da82009dc43dd3dfc2331d457897793af20f3b95fabc65d1755e2a96fc14ac
PDF
Publication page2ebd5cb92ef29cec3faf6db46d3b0ac39042b09d48c2425a4d64c04820dd9ef2
Manifest687c331fc3f75c0507bde28893bdc71dad123e0ec69ccb0cd1365fc7c944d7ea

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
SignatureEqczlq+Xb6e4WxZqA6Hxj0VEFw4q+JbI7fECIYTnROvqPJiMmLRQ0MFSu1no93W0JLm2gKYQaywTOSuR0mkYDA==
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

2026-09-17T12:01:12.545372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018450
observed 2ebd5cb92ef29cec3faf6db46d3b0ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.526086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018450/manifest.json
observed 687c331fc3f75c0507bde28893bdc71d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.508330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018450/publication.md
observed 62da82009dc43dd3dfc2331d45789779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:12.491649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018450/publication.txt
observed e78c7a22f421c5485754974e6e91097e...
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.