OpenTechnical

OT-2026-000085158

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000085158) never changes.

Identity and time

Publication numberOT-2026-000085158 · never reused
Internal UUID01a0ae99-43b9-77da-94d7-b9e1dec68bb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085158
StatusPUBLIC

Content hashes

Canonical text17f397bce53c051cb333203c8f6211ff136bb07101adb5d8387eb90dc9e66424
Markdown9f00d2675390e117571bbd6a7a95ae1e19acfe250b8b73f65b7c5329747a22b8
PDF
Publication page1d10aaabd778629b349df56ee7b0dbb5e738908fc8bc228b5ac691aa64ab5b03
Manifest88ef28c9da43bc39d88c30db297244e5181725aa4d88b5a8214e53a96eaadba8

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
SignaturebWWVNdsTbLhzTK234x7DqnviOLqhy0Gaa2JLGGcIYi5zMlg6sLP6u1ArxoLLLEs0KNkVTdOog320rm+IqT1+Aw==
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

2026-09-17T09:55:14.312711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085158
observed 1d10aaabd778629b349df56ee7b0dbb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.296303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085158/manifest.json
observed 88ef28c9da43bc39d88c30db297244e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.279824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085158/publication.md
observed 9f00d2675390e117571bbd6a7a95ae1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:14.264071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085158/publication.txt
observed 17f397bce53c051cb333203c8f6211ff...
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.