OpenTechnical

OT-2026-000007343

Publication integrity record

Porous face vacuum gripper, per zone isolation, three outlet manifold, three stage ejector, closed cell

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-2026-000007343) never changes.

Identity and time

Publication numberOT-2026-000007343 · never reused
Internal UUID01a0a97b-70e5-7807-bda9-4a18eaaaa669 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:10:34.472066Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007343
StatusPUBLIC

Content hashes

Canonical textde9b2f404fdcc57c76d6c86e189df1f4ab47da8b744dedac66e3905111850b85
Markdown030b5430c442d469c5598bfe4f3c1be2443fe46c6566f77d37720bbb435dac8a
PDF
Publication pagea0ff57e6bbb9d18c622074b352f7db07bafd0f501a7884093b3122ca9d50f2fa
Manifestc859caec43e9ef7a284eab6163d5cc747dfadc4b36cebe6f7348ba5f93ca3700

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
Signature+3e+9gl3TEHr+G6vkJM+wR7IJjAGNkbn51f1oTBFBdLx5x7LuaaAYqglt4afEKvxwcgfD2zWC275sJuzqgc8Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:10.655987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007343
observed a0ff57e6bbb9d18c622074b352f7db07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.641806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007343/manifest.json
observed c859caec43e9ef7a284eab6163d5cc74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.627446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007343/publication.md
observed 030b5430c442d469c5598bfe4f3c1be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.614616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007343/publication.txt
observed de9b2f404fdcc57c76d6c86e189df1f4...
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.