OpenTechnical

OT-2026-000083218

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000083218) never changes.

Identity and time

Publication numberOT-2026-000083218 · never reused
Internal UUID01a0ae97-c963-7af1-b8b4-9ab24b97ee77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083218
StatusPUBLIC

Content hashes

Canonical text40c32f4a7ecbf57d557ac9f4ac991b127a43eb6e762f4abf11db0f3691b68017
Markdown2be75977d31aefb7876df7513f89e9683a42a341bca00ae56af20ecc57e0e5ac
PDF
Publication pagedee6425d82b98713a5981053aa9d9c558b90852e6a2b5b864038a3ad8c375229
Manifestbe95f78ac41663a30666eda424196504048c1bba76f6d56ac4589b3808a44be0

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
SignatureFP3/PUaqMlA54btffi8vrd/zo66RXOg+AoenWfjGnMXonAZcTWj5mWmrm3AUyzORJluSE6BKWHMa1wMtNtBLCQ==
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

2026-09-17T09:01:07.837551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083218
observed dee6425d82b98713a5981053aa9d9c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:07.415236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083218/manifest.json
observed be95f78ac41663a30666eda424196504...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:07.395074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083218/publication.md
observed 2be75977d31aefb7876df7513f89e968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:07.375962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083218/publication.txt
observed 40c32f4a7ecbf57d557ac9f4ac991b12...
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.