OpenTechnical

OT-2026-000004318

Publication integrity record

Porous face vacuum gripper, three outlet manifold, two stage ejector, contact triggered on the face

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-2026-000004318) never changes.

Identity and time

Publication numberOT-2026-000004318 · never reused
Internal UUID01a0a913-d754-7cc4-9254-037b034c8c33 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:17:24.951403Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004318
StatusPUBLIC

Content hashes

Canonical text96b7bbf1309d18fa095876af246fea1d924b23cafda4ec561ffcd5be6da6b759
Markdown2c28bbae5e6a644f3eb49a85bc3e2b61b5f83cbf4f09954d82503b2f267d2e9e
PDF
Publication page9ffddd8dbd841b171ee1a5b8d6bd2118559e7e1f7bb6340936ff603041859e63
Manifest8ea8f3d92262bae04332f36376a758c0dbb5375e9fd311faa28185fc102c327d

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
Signature2f9B/eGrxzWbEDiYErbuHeYh2P1fEx7G2gKTesrMy45fIZxni5xXhN6llysl6vdEkU4O2B6iTUnsxwsFIDg+DA==
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

2026-09-16T07:20:11.487597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004318
observed 9ffddd8dbd841b171ee1a5b8d6bd2118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:11.473473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004318/manifest.json
observed 8ea8f3d92262bae04332f36376a758c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:11.458996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004318/publication.md
observed 2c28bbae5e6a644f3eb49a85bc3e2b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:11.445859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004318/publication.txt
observed 96b7bbf1309d18fa095876af246fea1d...
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.