OpenTechnical

OT-2026-000067434

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000067434) never changes.

Identity and time

Publication numberOT-2026-000067434 · never reused
Internal UUID01a0ae8f-6bd9-7f69-9c55-7ce0d5974091 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067434
StatusPUBLIC

Content hashes

Canonical textb08e0b5dd1cd0d39a540b1c9959ff5e533f7a909815c316cc31f9ce2178ba308
Markdownfa0d7f5b254176a4aaaf2065ce1fed8eee95a882ec3d8df4186c27c477503ec4
PDF
Publication page79bb89fbc1459bacc87715ade26901d7d37ab3fa8fc7b63d8a7b53fa31f628fa
Manifestc3514c918b042bb3a7564c427bbbf6813b8262e32cc92fc44acb1ed99e260b2c

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
SignatureaqxohLntbySJY/Huygwxa/1xPBQLMVXJD/kEBJKerJpEbPHvKCL3tt9pkhg3T+kq2JpR6Me/CThLhIdIga8RAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:38.101390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067434
observed 79bb89fbc1459bacc87715ade26901d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:38.084314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067434/manifest.json
observed c3514c918b042bb3a7564c427bbbf681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:38.068753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067434/publication.md
observed fa0d7f5b254176a4aaaf2065ce1fed8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:38.052390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067434/publication.txt
observed b08e0b5dd1cd0d39a540b1c9959ff5e5...
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.