OpenTechnical

OT-2026-000086891

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump 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-2026-000086891) never changes.

Identity and time

Publication numberOT-2026-000086891 · never reused
Internal UUID01a0ae9a-80a5-742f-88da-c2d86b296af4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086891
StatusPUBLIC

Content hashes

Canonical text410db642bc185ca7e46709b742d7644a556b6ea2df320d2f72384907d13115b1
Markdown8e7edc08691eb531394d6781f4d16cf234949ca9a4feec935d6ec935aec80361
PDF
Publication pageb67433d6ba90ded200fab75b55f78699b51f1fd778a366b7c9464c1498a418de
Manifestb92766531e5d92220bb7330866efba29a28bf1cb8cfbc82625ae5163e5b5573b

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
SignaturefnSxsH1ClWwdlNPrzwspTq6eEOoW/lBqwP9h09vSwdKZJvkGu5LIkF6ES/9pUTlmgrE7+J5BXAYO6TkHmAdZAQ==
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

2026-09-17T09:51:44.387982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086891
observed b67433d6ba90ded200fab75b55f78699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:44.371426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086891/manifest.json
observed b92766531e5d92220bb7330866efba29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:44.353504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086891/publication.md
observed 8e7edc08691eb531394d6781f4d16cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:44.335475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086891/publication.txt
observed 410db642bc185ca7e46709b742d7644a...
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.