OpenTechnical

OT-2026-000007150

Publication integrity record

Vacuum cup gripper, common isolation valve, two stage ejector, pressure verified, contact triggered, rubber cups

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-2026-000007150) never changes.

Identity and time

Publication numberOT-2026-000007150 · never reused
Internal UUID01a0a974-7593-76f2-9491-466566f139c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:02:56.917837Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007150
StatusPUBLIC

Content hashes

Canonical text0e59257219920122b068fe592943f3bf62a122f479a2d84ef59d1de8df284af1
Markdown5a4b1cd54f181260b0634c956ae201fc0f93bc0924722b4ce21c5886d4ac32e3
PDF
Publication page4151fb9b576e7e6b0f37a585b72e89cdb1ebe1dfecead6fb66006d43a0597c43
Manifestfd4439a50ae825b5af05bb878c9e1bd189a9d660e17ad4d39b85c1fc3d5179aa

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
SignatureVfOVC1gxNg12So4X/MpLG9O0bzClKQ4tyrdsHTrNZzMT2162gfIpbO7KjBGFxJ2NRo/YYRcJ69bm5XUXO29dBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:21.681173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007150
observed 4151fb9b576e7e6b0f37a585b72e89cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.669685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007150/manifest.json
observed fd4439a50ae825b5af05bb878c9e1bd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.658241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007150/publication.md
observed 5a4b1cd54f181260b0634c956ae201fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.646439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007150/publication.txt
observed 0e59257219920122b068fe592943f3bf...
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.