OpenTechnical

OT-2026-000022354

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000022354) never changes.

Identity and time

Publication numberOT-2026-000022354 · never reused
Internal UUID01a0ae6f-f4fd-7260-b598-18d8175ef8b8 · 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-2026-000022354
StatusPUBLIC

Content hashes

Canonical text1a0f271f50af043b9b2db56317bd174fb7a71218d09e2fb23202d452e8ee60e7
Markdowncbeb780dbba7e8a725dd4936c1b7c151f0bdf30087fd62fe6ac4e6bf56d215f0
PDF
Publication page4c60eb9415518dffd9f09a038fc15b73f4f6be22391bb5fdf57ab132c737fa14
Manifest417ebb73de6371aab9b3eb3cf4b33720094e1e299573ec6a5e55ebe0734b6394

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
SignaturetKaxlpv3B5xuJdQ7u43WQx1Ed4/1UgLGF5fQwlzKGykXdc82EGfOAOTuYLy3qs5Ut0mItn0AEV4WQQtcFBFpAQ==
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

2026-09-17T11:53:43.194488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022354
observed 4c60eb9415518dffd9f09a038fc15b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:43.176802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022354/manifest.json
observed 417ebb73de6371aab9b3eb3cf4b33720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:43.159097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022354/publication.md
observed cbeb780dbba7e8a725dd4936c1b7c151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:43.141971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022354/publication.txt
observed 1a0f271f50af043b9b2db56317bd174f...
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.