OpenTechnical

OT-2026-000007043

Publication integrity record

Porous face vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000007043) never changes.

Identity and time

Publication numberOT-2026-000007043 · never reused
Internal UUID01a0a970-9c48-7f22-9b68-c9f5bda8c72a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:58:44.682757Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007043
StatusPUBLIC

Content hashes

Canonical textf1fbdc84902b02a488f4300be3ac9d1b416366ff30047bca04a7a87ad3b4113c
Markdown838d58c8e76365dd1432798296e063c8add6b8e32a80295e72cf758cbb364f2d
PDF
Publication pagecdfc6e648d0ea061317f8c6650c577d7166a866977949ba30cd1ae762ea4a917
Manifest9f9b122d19892dff74ff161e9a9c13c9e6f28fdb77f400d07f51bddbfbdde2ec

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
SignatureDdZOja2heICdwmtHUiPgBnks373N7MIbZCkbRzK19AeegfdIh6cPdNizANz3MQypHFkyqsxfiSxXSswHz35YDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:08.478716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007043
observed cdfc6e648d0ea061317f8c6650c577d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:08.466100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007043/manifest.json
observed 9f9b122d19892dff74ff161e9a9c13c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:08.451870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007043/publication.md
observed 838d58c8e76365dd1432798296e063c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:08.437023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007043/publication.txt
observed f1fbdc84902b02a488f4300be3ac9d1b...
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.