OpenTechnical

OT-2026-000014115

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off before 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-2026-000014115) never changes.

Identity and time

Publication numberOT-2026-000014115 · never reused
Internal UUID01a0ae6d-b278-7e91-8ceb-4930bbe3f338 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014115
StatusPUBLIC

Content hashes

Canonical text59853e1f679f825acdf29dcd3efe60d3c48c749827f2ca85fcdb5d2b5338cf07
Markdown4c3e7182767394f1baec2424e8cef9c42dddebf4fe0885e3478a6cd49237b68e
PDF
Publication pagee0136a08ea57c5edc8d9e076f497504f8e8ef4bc8fac6f1bdb454c0bd6df06df
Manifestd03acbbec625fda8ef8531ad2f9aebcdc2ae5d9ca667f52dd2a7cfeb89f18920

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
SignatureT4NWzzIiFSBPe3+qxCOwvaOZ3+MkiGLRiUR07a7z1b2IJJsLIyjzueH7bOFU3rVqaI+GTIq7YupPmeOzkca0DQ==
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

2026-09-17T12:07:10.954127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014115
observed e0136a08ea57c5edc8d9e076f497504f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.935909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014115/manifest.json
observed d03acbbec625fda8ef8531ad2f9aebcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.915806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014115/publication.md
observed 4c3e7182767394f1baec2424e8cef9c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:10.897797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014115/publication.txt
observed 59853e1f679f825acdf29dcd3efe60d3...
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.