OpenTechnical

OT-2026-000017778

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000017778) never changes.

Identity and time

Publication numberOT-2026-000017778 · never reused
Internal UUID01a0ae6e-96fa-7791-928b-a1ab99323872 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017778
StatusPUBLIC

Content hashes

Canonical texted696362f586f300142e89a8cfa7ad50bba504dc63cca482e1da70c2214d312b
Markdown2de5e9817f9b128655fc0bd8933abd172b3861e08899265b52245ae386b2c06a
PDF
Publication paged9385e95b51bc92ebaa4bccf613e61b0a299b0c3e72a7f4092d7097c48f21c5c
Manifest2a67be878383b883fd61cf98ffebb19f4b2cc00f1bc53009da1ca12a5c3e7222

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
Signature6LI5aXMgAx/hpSeoCS/PXm1ozsCDsC8l4TsNG82jLIrfezT+mHEm6KvkHWHIvF00gE13neVvTUCAIL1PSl7pBg==
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

2026-09-17T12:01:44.270442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017778
observed d9385e95b51bc92ebaa4bccf613e61b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.252875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017778/manifest.json
observed 2a67be878383b883fd61cf98ffebb19f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.236944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017778/publication.md
observed 2de5e9817f9b128655fc0bd8933abd17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:44.218611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017778/publication.txt
observed ed696362f586f300142e89a8cfa7ad50...
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.