OpenTechnical

OT-2026-000022348

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000022348) never changes.

Identity and time

Publication numberOT-2026-000022348 · never reused
Internal UUID01a0ae6f-f4fd-7812-92df-900c949b494e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022348
StatusPUBLIC

Content hashes

Canonical text7162c03034ab37811b3e4a981eed6ed45b2af624a0eea814d447b946e89ae7d8
Markdown8ed64d8212dfdeb3a4876dd670a563f76de9a7591242caff38cc06bfcafc4051
PDF
Publication page2b352620545cd596ef9607ddd3b4cb34c003c69ad674ed66f23b2c672fab3c67
Manifest0237d8ef6e98055464e858e582624a5db6a6cbe126b96af8b8a2d2d5ebcb1476

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
SignatureTGWD50FMmxacFKxx4/Ls1jFWganmrSJCm0agH0mziJ+nJ298fau1Ec/dS+P3ZqRCw32hBG10icwCFoU6gw2zAg==
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

2026-09-17T11:53:42.767369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022348
observed 2b352620545cd596ef9607ddd3b4cb34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.749694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022348/manifest.json
observed 0237d8ef6e98055464e858e582624a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.732772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022348/publication.md
observed 8ed64d8212dfdeb3a4876dd670a563f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:42.715881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022348/publication.txt
observed 7162c03034ab37811b3e4a981eed6ed4...
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.