OpenTechnical

OT-2026-000011658

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000011658) never changes.

Identity and time

Publication numberOT-2026-000011658 · never reused
Internal UUID01a0ae6d-1940-7290-8e18-f1d0c654a043 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011658
StatusPUBLIC

Content hashes

Canonical textf2c620cbf06384d0b26d2540bb9292a5ec5fb5bc3b8625db8a1fe82822116706
Markdown39de2d8586d4438abe3cda8092fd11ae80c22f1e391f1527461bbffc3de52b8e
PDF
Publication page8c428c51b1d6f6a5f0688cdf4299ea75b7c05d666a6472ea034cd66fb835c3d2
Manifest82e20f12375b58369971bd5f3208d8bf3a9328d81594bf9efc48b3b231b76890

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
SignatureOcFcJBU9MBBDHZkZWpRjm1M2UOn+S/u0KHW506dCSG+UuLoXtt2bFNP+OfyfNLk6mIyU78ixjqzKvlJXJj8+Bg==
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

2026-09-17T12:12:14.882676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011658
observed 8c428c51b1d6f6a5f0688cdf4299ea75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.862514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011658/manifest.json
observed 82e20f12375b58369971bd5f3208d8bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.843118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011658/publication.md
observed 39de2d8586d4438abe3cda8092fd11ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.825474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011658/publication.txt
observed f2c620cbf06384d0b26d2540bb9292a5...
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.