OpenTechnical

OT-2026-000078279

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078279) never changes.

Identity and time

Publication numberOT-2026-000078279 · never reused
Internal UUID01a0ae95-7c27-767d-b25f-d01d67ce51b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078279
StatusPUBLIC

Content hashes

Canonical text37dbb6548c16420ba8c6bef70c1c59f099c9dc91696a9b52195080e058602ecd
Markdowna8fe6270a9c9c17d2e3647d19f46ff316aa77a5ac4cc58c3bb2e74a61522f4f9
PDF
Publication paged3ede9024382d1c8b63c391e5960cb923130d610604e235b0776e6dd6b667410
Manifestdb3208b140460ecba919ed7aed6c98b0cc49b7546e2a682ed9c84a0f9de968e1

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
Signature7MIOsNXJuzTLp3BbDwKWPvwKmlqK/weyk23wSOOMzm6uUBHS2MFMhCxGm13VRXhCbj7s29hYERvQMTfoQIcfBg==
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

2026-09-17T10:06:14.537692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078279
observed d3ede9024382d1c8b63c391e5960cb92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.518619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078279/manifest.json
observed db3208b140460ecba919ed7aed6c98b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.498926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078279/publication.md
observed a8fe6270a9c9c17d2e3647d19f46ff31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.478781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078279/publication.txt
observed 37dbb6548c16420ba8c6bef70c1c59f0...
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.