OpenTechnical

OT-2026-000005383

Publication integrity record

Porous face vacuum gripper, two zone face, two outlet manifold, two stage ejector, contact triggered

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-2026-000005383) never changes.

Identity and time

Publication numberOT-2026-000005383 · never reused
Internal UUID01a0a937-4d49-7229-8cd5-7b2aeb28f1f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:56:08.908236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005383
StatusPUBLIC

Content hashes

Canonical text1505b7cb40c08b5e268997da3a26d0680f1359adb01d050be7f0583e17080cb3
Markdownfa93378df1267d234808e13f580d2e13401e087eb808212a118f28b217324bbe
PDF
Publication pagee2928d078afa78211839205038680d6d82ceca35d67731d3b30c2c3400999314
Manifest87bc98dcc3977b6ac20adcddf553aa9ef9046afc478388a4a8ecfdf239e31be7

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
SignatureB01tNs3o0PrP93zaey/wV5/4X5Sc7uhz+SYb4prQlQqOuK/0BZQ1/eROJ/JzOVgTtDLH4sQbeKCvzllRPNtAAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:15.896306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005383
observed e2928d078afa78211839205038680d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.881159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005383/manifest.json
observed 87bc98dcc3977b6ac20adcddf553aa9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.745583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005383/publication.md
observed fa93378df1267d234808e13f580d2e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:15.732183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005383/publication.txt
observed 1505b7cb40c08b5e268997da3a26d068...
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.