OpenTechnical

OT-2026-000034105

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000034105) never changes.

Identity and time

Publication numberOT-2026-000034105 · never reused
Internal UUID01a0ae75-df0c-7296-bcca-8b9a35a44674 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034105
StatusPUBLIC

Content hashes

Canonical textefd242ab4e07bd3c1558e0e2025ce4f8c1265b397a5ae6a5da3cfa751f69a054
Markdown849dbdfaa009da730632c492d364405632e2d28e691e153080e7bbb3b9c2ce4e
PDF
Publication pagea4e225baf78e128e69c2bf98a277b3821a43b16649b0c7c802a7e41e5ae4a08a
Manifest12bc39644f2140395e94075189c1822ac3014ee0a43175297f2b9933a301f320

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
Signaturem2LK+vk3dHCCGawf1sOFMCS2t/XB+pT2dtnzIF60DpKCGz2IgOynV1dp4uRzDrxyjsPIpf9geHd0VAMuc4r/Dg==
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

2026-09-17T11:30:29.266718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034105
observed a4e225baf78e128e69c2bf98a277b382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.239905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034105/manifest.json
observed 12bc39644f2140395e94075189c1822a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.220658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034105/publication.md
observed 849dbdfaa009da730632c492d3644056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:29.200601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034105/publication.txt
observed efd242ab4e07bd3c1558e0e2025ce4f8...
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.