OpenTechnical

OT-2026-000005068

Publication integrity record

Porous face vacuum gripper, four zone face, three outlet manifold, ejector fed, pressure verified

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-2026-000005068) never changes.

Identity and time

Publication numberOT-2026-000005068 · never reused
Internal UUID01a0a92c-d6a3-7e40-9f22-4330ed57c748 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:43.173723Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005068
StatusPUBLIC

Content hashes

Canonical textdd859e6f1525258c21678090cc71ed812e21e079b4330abde29f2d0c2a8b26d1
Markdown8a460aa57126da5d15a08cc5dc93c03006f6e6bf114412ebe913539d0dcc68e7
PDF
Publication page6068b00110e72829e62fa6c31ac5e73228d42699346f1bcb0becc4b048e81676
Manifestc980b67f2d9e2fec153e742d79783cc7481564ceb3be1e6a26cc050522cac64c

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
SignatureJk1zgWWLCM9+2j+YK1oIXs7pla9/CubsaE1DrSQvO21ez6QJGd9dNA8lRgb1pRxuzsGVz+XfNj/2suUcDb5ZBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:18.974027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005068
observed 6068b00110e72829e62fa6c31ac5e732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.960458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005068/manifest.json
observed c980b67f2d9e2fec153e742d79783cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.947596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005068/publication.md
observed 8a460aa57126da5d15a08cc5dc93c030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:18.935502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005068/publication.txt
observed dd859e6f1525258c21678090cc71ed81...
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.