OpenTechnical

OT-2026-000010628

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000010628) never changes.

Identity and time

Publication numberOT-2026-000010628 · never reused
Internal UUID01a0ae6c-0ee8-7272-bd89-93cdab364b85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010628
StatusPUBLIC

Content hashes

Canonical text2d5aeb87cf72e3ea224f816d6a2e2549aff4741872555e6cf2a786f1c7c36ebc
Markdownc27774f5bf5c49e83b6ff357105490f0dce1d6d4aea6e5b02f2a64e6b1425a83
PDF
Publication paged466250ec28dc7fe598169d3cb881e0e3475d4b5ed2668812ada8c8e8a112a04
Manifest5c1d4e98d8107172ecf5d59a4547b352a216c276133e36c543c6c533ad98d9e3

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
Signaturem4yN1aq9XdHHFbspEXyhya1c97Ro1rp73mLYpJt4Ktsu4b+n8x/ph3+L2YKjRWY//fnOfc+tm1qgN7jGDXykAw==
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

2026-09-17T12:14:49.440891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010628
observed d466250ec28dc7fe598169d3cb881e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:49.421929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010628/manifest.json
observed 5c1d4e98d8107172ecf5d59a4547b352...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:49.403600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010628/publication.md
observed c27774f5bf5c49e83b6ff357105490f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:49.384081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010628/publication.txt
observed 2d5aeb87cf72e3ea224f816d6a2e2549...
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.