OpenTechnical

OT-2026-000083111

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, sustained 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-2026-000083111) never changes.

Identity and time

Publication numberOT-2026-000083111 · never reused
Internal UUID01a0ae97-c962-71a8-a142-1c1d70deb68b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083111
StatusPUBLIC

Content hashes

Canonical text4ba7e6b9edaa2f3927077f9197c4526fe115116c48be821cf4e9a01a4982813e
Markdowna6f142b196034bc9e0be3423509bd7d4dfcd4d877d2845c1092dd1ac72b35969
PDF
Publication pagecedd9933c05436e46992c4d0649f10e60a0529b38e72d43ec0f3602ef820a7e0
Manifest1dfd6aaed003a732e37de6a491d281446841825a58b4505de59541c0777a8214

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
SignaturelucvOiJ8xCK75urmA50/rTb9NhWBYZ4GFU/AIEQ7JjCD3vbTmzEZfjOLW5tECNOIUi+MvH5a8kM/yzXqLsMbDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:00:41.683001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083111
observed cedd9933c05436e46992c4d0649f10e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:41.663252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083111/manifest.json
observed 1dfd6aaed003a732e37de6a491d28144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:41.641370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083111/publication.md
observed a6f142b196034bc9e0be3423509bd7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:41.619148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083111/publication.txt
observed 4ba7e6b9edaa2f3927077f9197c4526f...
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.