OpenTechnical

OT-2026-000068140

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000068140) never changes.

Identity and time

Publication numberOT-2026-000068140 · never reused
Internal UUID01a0ae8f-c4ff-7c06-b8e7-444bee2ff2cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068140
StatusPUBLIC

Content hashes

Canonical text442b04464e018e76ebf83ceef051a69f247d36cacbe601510999615b04cb9205
Markdownb9138fcb87f57f090665eda8984e389a09a2a1d0519d534209ca36b5f02b85af
PDF
Publication page8b61e104ab669828514ae8fed60acc83df7a22f03de573274c577560ef535f55
Manifest2b157fc307392da4d8615e6bd4e5b9f5cfffb01b2c26ce64938cb47deefc324e

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
Signature3kyd+oIEEEVizAH+ekAsL4z4OK75akAyd9buO6FB/6N6DFrUY92bAS/oDRyHBmoBjAtHgxQxV3AFjNSpVR4nAg==
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

2026-09-17T10:30:47.263069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068140
observed 8b61e104ab669828514ae8fed60acc83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.246108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068140/manifest.json
observed 2b157fc307392da4d8615e6bd4e5b9f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.228752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068140/publication.md
observed b9138fcb87f57f090665eda8984e389a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.209835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068140/publication.txt
observed 442b04464e018e76ebf83ceef051a69f...
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.