OpenTechnical

OT-2026-000004417

Publication integrity record

Porous face vacuum gripper, per zone isolation, six outlet manifold, ejector fed

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-2026-000004417) never changes.

Identity and time

Publication numberOT-2026-000004417 · never reused
Internal UUID01a0a917-04ab-7f3b-a048-09afe41fcace · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:20:53.165998Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004417
StatusPUBLIC

Content hashes

Canonical text6a4ae18ffd3131090e63e0e542175ed9c011122040b105bacf16550141132af5
Markdowna53cb67eb22d0c8b99b1f465457229fe889dc335d4b05fea013831969de5360a
PDF
Publication pagedbfab6c28790251e478d4cc99de39243b4555ffe7b17b7f93ce114355664e0d6
Manifest236a59685581c26fb023bf2718066356d10f5c7c01cc04cbf4263581cdde8c1c

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
SignatureVO684eP3/omPqWF6GaVLbh5SlFJPBzxvZZmCQt59T1ewKz7pJSiDYDq3LebH34zIdTugEjJtSmQVDL7V/0ZgDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:30:29.922277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004417
observed dbfab6c28790251e478d4cc99de39243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:29.908623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004417/manifest.json
observed 236a59685581c26fb023bf2718066356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:29.895098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004417/publication.md
observed a53cb67eb22d0c8b99b1f465457229fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:29.881144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004417/publication.txt
observed 6a4ae18ffd3131090e63e0e542175ed9...
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.