OpenTechnical

OT-2026-000011377

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000011377) never changes.

Identity and time

Publication numberOT-2026-000011377 · never reused
Internal UUID01a0ae6c-88fe-7924-ab31-cb1fefb9d2d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011377
StatusPUBLIC

Content hashes

Canonical texte951e86bc6fa17f652516f308f4a98bb40b1c17d331845b6175ca9cf176a09de
Markdown4db9837b393ee5bb3d53b63a826bffa3b35c187a8231d193628b2dc097747050
PDF
Publication page37b2d917236bd22b81657d83f57a82629cb0b85fa37768cddc3e4a4b1f9b07a3
Manifest12656b209f92fd3f1559e08d69b5d22ef09c3fd44cb46df91a9b02345db5b08d

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
SignaturezmHNavmy+d8eihAUnkXSdYCFJ3ab1hfFDtpeRSgcEig97iWAMzcxxXfpQnpZ+rQKQN69wggcPIX5hsPFpb1EAg==
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

2026-09-17T12:13:07.077868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011377
observed 37b2d917236bd22b81657d83f57a8262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:07.058353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011377/manifest.json
observed 12656b209f92fd3f1559e08d69b5d22e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:07.036568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011377/publication.md
observed 4db9837b393ee5bb3d53b63a826bffa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:07.016220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011377/publication.txt
observed e951e86bc6fa17f652516f308f4a98bb...
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.