OpenTechnical

OT-2026-000017398

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single 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-2026-000017398) never changes.

Identity and time

Publication numberOT-2026-000017398 · never reused
Internal UUID01a0ae6e-76c9-7ad4-af26-f6d06f81712c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017398
StatusPUBLIC

Content hashes

Canonical text1ef948ad0d220cf076e26d790adb478ffb29ab518a6009a0db7bffc20c31b851
Markdown7262a409dc77e25d0df47376ba247f6140f2f275d73590bf8137034b614fbee2
PDF
Publication page5db8f63c87fa522290667dc983fb1fb811ef5d652d641362d2ed0a3d3df1c0d7
Manifest01207501a3d10413796a7e1bc9dfc16c3bee3187ae191662e5eeaa226858f3d4

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
SignatureY/uF815h/QiSFnUVH0RmhkA4oRUOApXAHzdKiIbpUi5rQI+BHGAn04TuNvBOy8Kzxi5ZPG4xdgfrqtrq+7mTCg==
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

2026-09-17T12:02:31.426555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017398
observed 5db8f63c87fa522290667dc983fb1fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.408950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017398/manifest.json
observed 01207501a3d10413796a7e1bc9dfc16c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.390399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017398/publication.md
observed 7262a409dc77e25d0df47376ba247f61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:31.373461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017398/publication.txt
observed 1ef948ad0d220cf076e26d790adb478f...
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.