OpenTechnical

OT-2026-000005734

Publication integrity record

Porous face vacuum gripper, per zone isolation, four outlet manifold, ejector fed, contact triggered

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-2026-000005734) never changes.

Identity and time

Publication numberOT-2026-000005734 · never reused
Internal UUID01a0a943-0a13-7af5-9c9f-e26554cec4a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:08:58.135718Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005734
StatusPUBLIC

Content hashes

Canonical text0e20fe58e127bce598bbdba0c94c2c8aedd4ff5cc3f4c70c6a881716bad26fe9
Markdown4e58358b7585ff40c9cb2e3baff1f2a4b8f1c9b86a98c0998ac23ddc1d26da5e
PDF
Publication pagea038f674b95ab7f9ee47ed8819f5526c809a84feb85b35709965048c891aba42
Manifest2d9842aa1180ed379f8a88f78570ab68d536003cc78e1a79bf1f059e61cdbb49

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
SignatureacuZ2aK3QpupHgzsSNmWlEJX+U2QnudxQTIJcg9czJt/96rOhiUW1Abud00tqzZL2+unFiu9CiqlvZ0u1owgBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:05.972555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005734
observed a038f674b95ab7f9ee47ed8819f5526c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:05.958572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005734/manifest.json
observed 2d9842aa1180ed379f8a88f78570ab68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:05.946115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005734/publication.md
observed 4e58358b7585ff40c9cb2e3baff1f2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:05.930927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005734/publication.txt
observed 0e20fe58e127bce598bbdba0c94c2c8a...
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.