OpenTechnical

OT-2026-000068779

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000068779) never changes.

Identity and time

Publication numberOT-2026-000068779 · never reused
Internal UUID01a0ae90-6dcb-7cc8-8f02-e6c60972fd85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068779
StatusPUBLIC

Content hashes

Canonical text658918a117ecb98b07bb91678f48369ba7d039a197a60fc152e5c056a4a76463
Markdownc25d7c1520c533cdbc5d9c51d088940f47bc5145fbc5cf686b8512d0eacdbe61
PDF
Publication paged681f92861597ce53bd494017ae20507e953ea6d8dc101b453c033be3c40660c
Manifest7229def78d42bb6347b4d70317ce5181130058352bf591b24d848b54a262223a

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
SignatureTyaj0Br7DXDGi9XCMaD9fpzhnm3t1plcs9tU43Z7HG+IvjQVNhvYHSXAS5PFIO7pXhEWgjAo6FTS79IqDuvLDg==
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

2026-09-17T10:28:34.323872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068779
observed d681f92861597ce53bd494017ae20507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.307783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068779/manifest.json
observed 7229def78d42bb6347b4d70317ce5181...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.291851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068779/publication.md
observed c25d7c1520c533cdbc5d9c51d088940f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:34.274183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068779/publication.txt
observed 658918a117ecb98b07bb91678f48369b...
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.