OpenTechnical

OT-2026-000031826

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000031826) never changes.

Identity and time

Publication numberOT-2026-000031826 · never reused
Internal UUID01a0ae74-bad1-72a3-bd90-c3b6b567b688 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031826
StatusPUBLIC

Content hashes

Canonical textc8698cc1a8ff2f779a48c2b52cdd5f67c355936f0425e755ef94f67653a8def5
Markdown3f9bd0fead94a03182aa095fffbc809068816131aa7e944d5fc2f89ae32441de
PDF
Publication page9b1240e6ab216703c025948b9d2595616a38a2e813c930c0048c22b2d626247a
Manifestddd9c098f9baee4ce1cb1af16daff42607191dd44a3f9f24329be66806e28bcb

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
SignatureGuL2zikV+pV3d+xG8LZx7drRqUBhwdW5iPnZhoWHBHRH/y57Z4jSGTeWgt6dyez/4AU9U+AMeq8lov/l4DBxCQ==
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

2026-09-17T11:35:04.118541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031826
observed 9b1240e6ab216703c025948b9d259561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:04.099597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031826/manifest.json
observed ddd9c098f9baee4ce1cb1af16daff426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:04.081748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031826/publication.md
observed 3f9bd0fead94a03182aa095fffbc8090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:04.062551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031826/publication.txt
observed c8698cc1a8ff2f779a48c2b52cdd5f67...
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.